CN107122627A - Digital publishing system based on cloud computing - Google Patents
Digital publishing system based on cloud computing Download PDFInfo
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- CN107122627A CN107122627A CN201710193390.2A CN201710193390A CN107122627A CN 107122627 A CN107122627 A CN 107122627A CN 201710193390 A CN201710193390 A CN 201710193390A CN 107122627 A CN107122627 A CN 107122627A
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Abstract
The invention provides a kind of digital publishing system based on cloud computing, including：Cloud service platform, platform of user management, reading terminal, resources processing platform, content resource management platform, distribution platform and copyright protection platform；Digital publishing platform is erected on cloud service platform by the present invention; process for resource is completed beyond the clouds by online mode; cloud service platform takes the mode for providing the user cloud storage space to complete; resource downloading is prevented to the problem of locally being brought to copyright protection, it is ensured that copyright is prevented from losing.For different reading terminals, the digital content of cloud service platform conversion realizes the Automatic Typesetting of automatic books, to adapt to the display demand of various screens according to reading terminal screen size.
Description
Technical field
The present invention relates to digital publishing field, more particularly to the digital publishing system based on cloud computing.
Background technology
With the fast development of contemporary scientific technology, digital publishing has become the development trend of publishing circle.Digital publishing
Refer to carry out Edition Contains processing, and a kind of new publication side for the digital content product that spreads through the internet using digital technology
Formula, it is mainly characterized by contents production digitlization, management digitized process, product form digitlization and communication channel networking.
Current digital publishing product form mainly includes e-book, digital newspaper, digital journals, network creator literature, Web education
Publication, network map, digital music, network animation, online game, database publishing thing, mobile phone publication (multimedia message, CRBT,
Mobile newspaper, mobile phone periodical, mobile phone novel, mobile phone games) etc..The route of transmission of digital publishing product mainly includes line interconnection
Net, radio communication network and satellite network etc..Due to its mass memory, search for it is convenient, transmit it is quick, with low cost, interactive it is strong,
The features such as environmentally friendly low-carbon, have become the emerging strategic industries of press and publication sector and the Main way of publishing business development.
Copyright infringement issues in present digital publishing are commonplace, and infringer's WeiZhao's Notes are low and benefited big, obligee
Right-safeguarding cost is high, and it is too low that compensation standard is sentenced by law court, causes digital publishing copyright infringement dispute continuous.And including digital journals, network
Many digital publishing business such as original literature, e-book also all suffer from copyright problem, the copyright protection machine of digital publishing at this stage
That makes sets up not perfect.It is mainly due to that digital resource can not be integrated, is uniformly processed, such as form is without legally constituted authority
One, reading method can not be unified.
Therefore, defect of the prior art is, for different publishing resources, it is impossible to carry out unified processing, make numeral
Publication does not adapt to different reading terminals, causes copyright losing issue.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of digital publishing system based on cloud computing, digital publishing is put down
Stand is located on cloud service platform, and the process for resource is completed beyond the clouds by online mode, cloud service
Platform takes the mode for providing the user cloud storage space to complete, it is therefore prevented that resource downloading is to local to asking that copyright protection is brought
Topic, it is ensured that copyright is prevented from losing.For different reading terminals, the digital content of cloud service platform conversion is according to reading terminal
Screen size, realizes the Automatic Typesetting of automatic books, to adapt to the display demand of various screens.
In order to solve the above technical problems, the technical scheme that the present invention is provided is：
The present invention provides a kind of digital publishing system based on cloud computing, including：Cloud service platform, platform of user management,
Reading terminal, resources processing platform, content resource management platform, distribution platform and copyright protection platform；
The cloud service platform, based on facility service platform, virtual digital resource is carried out centralized management and
Regulation and control, provide desktop services and application service for the reading terminal, corresponding cloud storage space are provided for the reading terminal；
The platform of user management, managing user information, and handle user's registration and logging request；
The reading terminal, is connected by network with the cloud service platform, shows desktop environment and to the user
Virtualization applications management operation is provided, the digital resource sent by the cloud service platform is shown；
The resources processing platform, is acquired and processes to the digital resource；
The content resource management platform, will gather the resource classification after processing and is stored in database, realization is deposited to resource
Storage management, and produce and generate different types of publication；
The copyright protection platform, the different types of publication in the content resource management platform is encrypted,
Prevent piracy；
Data in the content resource management platform are carried out publication hair by the distribution platform by gateway publishing
Cloth, digital content services are provided by the cloud service platform for the user；
The cloud service platform, platform of user management, reading terminal, resources processing platform, content resource management platform, hair
Cloth platform and copyright protection platform belong to high in the clouds together.
The digital publishing system based on cloud computing that the present invention is provided, its technical scheme is：Numeral based on cloud computing goes out
Edition system includes cloud service platform, platform of user management, reading terminal, resources processing platform, content resource management platform, issue
Platform and copyright protection platform；
The cloud service platform, based on facility service platform, virtual digital resource is carried out centralized management and
Regulation and control, provide desktop services and application service for the reading terminal, corresponding cloud storage space are provided for the reading terminal；
The platform of user management, managing user information, and handle user's registration and logging request；The reading terminal, passes through network
Be connected with the cloud service platform, display desktop environment simultaneously to the user provide virtualization applications management operate, display by
The digital resource that the cloud service platform is sent；The resources processing platform, is acquired and processes to the digital resource；Institute
Content resource management platform is stated, the resource classification after processing will be gathered and be stored in database, the storage management to resource is realized, and make
Make the different types of publication of generation；The copyright protection platform, to different types of in the content resource management platform
Publication is encrypted, and prevents piracy；The distribution platform, by the data in the content resource management platform by publishing canal
Road carries out publication issue, and digital content services are provided for the user by the cloud service platform；The cloud service platform,
Platform of user management, reading terminal, resources processing platform, content resource management platform, distribution platform and copyright protection platform are same
Belong to high in the clouds.
The digital publishing system based on cloud computing of the present invention, digital publishing platform is erected on cloud service platform, pin
Process to resource is completed beyond the clouds by online mode, it is impossible to which locally downloading, user adds to resource
Work, cloud service platform takes the mode for providing the user cloud storage space to complete, it is therefore prevented that resource downloading is protected to local to copyright
The problem of protecting band comes, it is ensured that copyright is prevented from losing.For different reading terminals, the digital content root of cloud service platform conversion
According to reading terminal screen size, the Automatic Typesetting of automatic books is realized, to adapt to the display demand of various screens.Made due to each
The corresponding digital resource of user is stored in cloud storage space, and user equally can after changing to different reading terminals
Identical content is viewed, without being downloaded again.
Further, the cloud service platform includes：Cloud application management subsystem, cloud scheduling management subsystem, server
Virtualization subsystem and cloud virtualized storage subsystems；
The cloud application manages subsystem, the management for completing the desktop services and application service, using B/S framves
Structure；
The cloud scheduling management subsystem, for the virtual machine of the cloud service platform is carried out United Dispatching, monitoring and
Management, virtual machine parallel processing is given by service and distribution of computation tasks；
The server virtual sub-systems, for access it is abstract after digital resource, and carry for similar digital resource
For general abstraction interface collection；
The cloud virtualized storage subsystems, are the user point of the reading terminal for realizing that virtual memory space maps
With cloud storage space, and digital resource of the storage corresponding to the user in corresponding cloud storage space on the server.
Further, Access Control subsystem and Monitor And Control Subsystem are also included in the cloud service platform；
The Access Control subsystem, for being managed by key authentication sum Access Control subsystem word certificate server
The reading terminal is linked into the cloud service platform；
The Monitor And Control Subsystem, for being monitored to physical resource and virtual resource simultaneously, from AD domain controllers pair
The reading terminal carries out management and control.
Further, the reading terminal includes desktop cloud subsystem and application management subsystem；
The desktop cloud subsystem, for the desktop environment of the user and terminal device that it is used is decoupling, connects
Enter to access and be stored in the desktop environment corresponding to each user on the server of the cloud service platform, and by the application of user
Operational feedback is to the cloud service platform；
The application management subsystem, for completing the subscription customization to all kinds of resources on the cloud service platform, and it is right
Cloud storage space corresponding to the user carries out operation deployment, and the application management subsystem uses B/S frameworks.
Further, the authentication management between the cloud service platform and the reading terminal is complete by http authorizing procedures
Into the content in the synchronous all cloud storage spaces of, legal reading terminal；The reading terminal uses its own after the completion of authentication
MAC Address registered as keyword on the cloud service platform, the cloud service platform is according to registered terminal
Model knows terminal capability.
Further, the resources processing platform includes resources processing subsystem；
The resources processing subsystem, for obtaining the correlation rule between the digital resource using Apriori algorithm,
The resource after collection processing is obtained using obtained correlation rule.
Further, the content resource management platform includes semantically enhancement subsystem, is used for：
According to the different demarcation of type it is generic concept semantic primitive and special semantic primitive by pending digital resource,
Obtain the semantic primitive statement of digital resource；
Using seven layers of file hierarchy model of text intuitionistic form to the language in the semantic primitive statement of the digital resource
Adopted unit is combined, and obtains the semantically enhancement description of digital resource.
Further, seven layers of file hierarchy model includes marker element, row, section, section, chapter, data set and data set
Group is from bottom to high-rise seven grades, and its marking elements is semantic primitive, and low layer semanteme is according to resource script text organizational mode
Combinational expression high-level semantic.
Further, the special semantic primitive includes term, concept, formula or the encyclopedic dictionary in elementary teaching teaching material
In term bar；The generic concept semantic primitive includes the semantic primitive in popular literature resource.
Further, the copyright protection platform includes publication typesetting subsystem, for the content resource to be managed
Data in platform, carry out typesetting according to default imposition layout, obtain publication to be released.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.
Fig. 1 shows a kind of schematic diagram for digital publishing system based on cloud computing that the embodiment of the present invention is provided.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Clearly illustrate technical scheme, therefore be intended only as example, and the protection of the present invention can not be limited with this
Scope.
Embodiment one
Fig. 1 shows a kind of schematic diagram for digital publishing system based on cloud computing that the embodiment of the present invention is provided；Such as
Shown in Fig. 1, embodiment one provides a kind of digital publishing system based on cloud computing, including：Cloud service platform, user management are put down
Platform, reading terminal, resources processing platform, content resource management platform, distribution platform and copyright protection platform；
Cloud service platform, based on facility (service IaaS) service platform, virtual digital resource is concentrated
Management and regulation and control, provide desktop services and application service for reading terminal, corresponding cloud storage space are provided for reading terminal；
Platform of user management, managing user information, and handle user's registration and logging request；
Reading terminal, is connected by network with cloud service platform, and showing desktop environment and provide a user virtualization should
With management operation, the digital resource sent by cloud service platform is shown；
Resources processing platform, is acquired and processes to digital resource；
Content resource management platform, will gather the resource classification after processing and is stored in database, realize the storage tube to resource
Reason, and produce and generate different types of publication；
Copyright protection platform, is encrypted to the different types of publication in content resource management platform, prevents piracy；
Data in content resource management platform are carried out publication issue by gateway publishing, pass through cloud by distribution platform
Service platform provides the user digital content services；
Cloud service platform, platform of user management, reading terminal, resources processing platform, content resource management platform, issue are flat
Platform and copyright protection platform belong to high in the clouds together.
The digital publishing system based on cloud computing that the present invention is provided, its technical scheme is：Numeral based on cloud computing goes out
Edition system includes cloud service platform, platform of user management, reading terminal, resources processing platform, content resource management platform, issue
Platform and copyright protection platform；
Cloud service platform, based on facility service platform, virtual digital resource is managed concentratedly and regulated and controled,
Desktop services and application service are provided for reading terminal, corresponding cloud storage space is provided for reading terminal；Platform of user management,
Managing user information, and handle user's registration and logging request；Reading terminal, is connected by network with cloud service platform, is shown
Show desktop environment and provide a user virtualization applications management operation, show the digital resource sent by cloud service platform；Resource
Processing platform, is acquired and processes to digital resource；Content resource management platform, will gather the resource classification after processing and is stored in
Database, realizes the storage management to resource, and produce and generate different types of publication；Copyright protection platform, is provided to content
Different types of publication in source capsule platform is encrypted, and prevents piracy；Distribution platform, by content resource management platform
Data by gateway publishing carry out publication issue, digital content services are provided the user by cloud service platform；Cloud service
Platform, platform of user management, reading terminal, resources processing platform, content resource management platform, distribution platform and copyright protection are flat
Platform belongs to high in the clouds together.
The digital publishing system based on cloud computing of the present invention, digital publishing platform is erected on cloud service platform, pin
Process to resource is completed beyond the clouds by online mode, it is impossible to which locally downloading, user adds to resource
Work, cloud service platform takes the mode for providing the user cloud storage space to complete, it is therefore prevented that resource downloading is protected to local to copyright
The problem of protecting band comes, it is ensured that copyright is prevented from losing.For different reading terminals, the digital content root of cloud service platform conversion
According to reading terminal screen size, the Automatic Typesetting of automatic books is realized, to adapt to the display demand of various screens.Made due to each
The corresponding digital resource of user is stored in cloud storage space, and user equally can after changing to different reading terminals
Identical content is viewed, without being downloaded again.
The digital publishing system based on cloud computing of the present invention, digital resource is all concentrated and handled beyond the clouds, is based on
Realize that reading terminal can be applicable in various terminals, including PC ends, IOS systems and android system in high in the clouds.
Specifically, cloud service platform includes：Cloud application management subsystem CloudAMS, cloud scheduling management subsystem
CloudOS, server virtual sub-systems CloudVM and cloud virtualized storage subsystems CloudDisk；
Cloud application manages subsystem CloudAMS, the management for completing desktop services and application service, using B/S framves
Structure；
Cloud scheduling management subsystem CloudOS, carries out United Dispatching, monitoring for the virtual machine to cloud service platform and manages
Reason, virtual machine parallel processing is given by service and distribution of computation tasks；
Server virtual sub-systems CloudVM, for access it is abstract after digital resource, and for similar digital resource
General abstraction interface collection is provided；
Cloud virtualized storage subsystems CloudDisk, is the user point of reading terminal for realizing that virtual memory space maps
With cloud storage space, and digital resource of the storage corresponding to user in corresponding cloud storage space on the server.
Wherein, cloud application management subsystem CloudAMS is provided user and is managed various cloud services, using B/S frameworks,
User is facilitated to be operated, and offer includes the various service modes extension including IaaS, PaaS and SaaS.CloudAMS allows use
Family easily obtains required various office application services, the feasible robustness application that oneself can also be submitted to configure by CloudAMS
Service system, its subscription/service technology used effectively realizes the rapid deployment of application and unified maintenance, so that flat for cloud service
Platform provides flexible management and supported and high-quality user service.
Cloud scheduling management subsystem CloudOS is responsible for the centralized dispatching management of cloud service platform, and virtual machine is unified
Scheduling, monitoring and management.Multiple virtual machine parallel processings are distributed into service and calculating task in an optimal manner, and possessed
Good load balance ability and huge handling capacity.Comprising correlation technique be：Realized using the task dispatcher of stagewise
Resource acquisition and task assign function separation, so as to effectively improve dispatching efficiency；It is flat using multi-stage scheduling technical support cloud service
The administration extensions of platform, overall scheduler task assigns balanced, and second-level dispatching is responsible for resources regulation and virtual machine (vm) migration, in two grades of tune
Degree layer can carry out height extension, the efficient management of performance for making CloudOS be provided for cloud service platform system；In addition, CloudOS is also
Possess flexible scheduling strategy and dynamic resource adjusting function, cloud service platform can be made on the basis for meeting service performance requirements
On possess good flexibility.
Server virtual sub-systems CloudVM will be directed to various computer resources (such as operating system, department of computer science
System, storage device and Internet resources etc.) abstract method, the side with accessing abstract preceding resource consistence can be used by CloudVM
Resource after method access is abstract.One general abstraction interface collection can be provided for one group of similar resource, thus hide attribute and
Difference between operation, and allow to check and safeguard resource by a kind of general mode.The technical support that CloudVM is provided
Including many examples, isolation, CPU virtualizations, internal memory virtualization, equipment and I/O virtualization, live migration of virtual machine (Live
Migration) etc..Cloud virtualized storage subsystems CloudDisk is a kind of special centralized data storage system, passes through network
Unified reliable storage service is provided for cloud service platform, including storage device management, volume management, file management, client are recognized
Card and access, security control and performance monitoring, backup and disaster recovery etc..CloudDisk major techniques are embodied as：Offer will be deposited
The storage that storage request is assigned to the management of different storage control and storage request, connection, account, interface protocol etc. is distributed
Device；The byte data of storage is mapped to physical storage device or depositing for the function of byte data is extracted from physical equipment by offer
Store up controller；The virtual device interface for being connected to cloud storage space is provided, passes through cloud computing service or terminal user general
Operation system interface is that exclusive cloud storage space can be used, and a disk just as local computer is the same；Defining can
Talk with memory allocator, the storage of the client-side interface of accessing storage resources is anti-to ask protocol architecture, and supported agreement includes
FTP, HTTP/WebDAV, SMB and storage agent agreement based on SSL etc..
Preferably, Access Control subsystem and Monitor And Control Subsystem are also included in cloud service platform；
Access Control subsystem, reads for being managed by key authentication sum Access Control subsystem word certificate server
Terminal is linked into cloud service platform；
Monitor And Control Subsystem, for being monitored to physical resource and virtual resource simultaneously, from AD domain controllers to reading
Terminal carries out management and control.
Cloud service platform provides the user desktop and made a reservation for and application subscription technical support, passes through CloudAMS systems and realizes system
One cloud application is managed, and system manager can conveniently and efficiently issue application service and desktop services by CloudAMS, effectively
Various management audit functions also are provided for system manager while the unified issue for realizing desktop application, are finally terminal user
All kinds of services that personalization can be subscribed on demand provide supporting.The types of applications pipe that CloudAMS is provided in service platform side
Reason function includes：
Application feature monitoring function：The information such as use state, the use time of all kinds of virtualization applications are counted, so that effectively
The service condition of application resource is monitored, realizes and concentrates controllable management mode.
The right to use reclaims function：By corresponding monitoring information, non-occupied terminal situation is effectively checked, is reclaimed by using power
Realize that application resource is nullified, realize the reasonable employment of office resource, effectively reduce the input of soft ware authorization.
Remote collaboration function：Service end can carry out failture evacuation, using the behaviour such as help by remote operation collaboration client
Make, so as to realize convenient management and efficiency office.
Expanded function：The functions such as software issue and subscription, on-demand update are provided to support, convenient newly-increased desk tops application
Quick deployment, improves set expandability.
Cloud service platform side need to provide the user group, role security strategy, quickly realize that security strategy is disposed.Cloud service is put down
Platform carries out the access control policy (cloud account number authentication system) based on user, to ensure that integrated there is provided domain account pass with group domain
Join certification to support, set up the synchronization mechanism of cloud account number system and AD systems, and AD domains user management instrument is provided, support classification pipe
Reason, supports personal change accounts information.To realize cloud service platform and AD domains seamless combination, windows domains management tool is used
Realize AD domains user management.Cloud storage system, cloud management system that cloud service platform side possesses etc. all support cloud account relating,
Differentiated control is supported, personal change accounts information etc. is supported.
Server virtual subsystem CloudVM is desktop virtualization, application virtualization provides Floor layer Technology support, passes through void
The rapid deployment of plan machine template realization virtualization safety office cloud, realizes the macro adjustments and controls of hardware resource with thermophoresis technology and bears
Carry balanced.Concrete function includes：
Virtualize template Template：Automatically updating function is provided for virtual desktop, virtual application, is provided the user various
Change efficiently self-defined pattern, support quick point-to-point automatic deployment and renewal.
Dynamic migration of virtual machine：By dynamic migration technology technology branch is provided for the regulation and control of heterogeneous multi-service device cluster resource
Support.
Virtual machine backup disaster tolerance：Disaster-tolerant backup is carried out for the virtual machine of operation, strange land is provided when a failure occurs it and recovered
With restart function, improve the service reliability of system.
Cloud virtualized storage subsystems CloudDisk realizes that virtual memory space maps, and is fully mutually tied with uniform security policies
Close there is provided domain and group management pattern, realize the access privilege administrative mechanism of safety, and dynamic regulation storage appearance is provided
Amount, by mistake journal file, the management function such as deletion recovery, disaster-tolerant backup.Concrete function includes：
Many memory modules are supported：Server end storage, client storage and server end and client mixing is supported to deposit
Three models are stored up, file storage can also can be stored in local by terminal user into cloud storage.
Dynamic capacity allocation：User storage space is dynamically adjusted according to the demand of the capacity of storage server and user big
It is small.(such as can share cloud storage for each user distribution at least 2G cloud storages, each group allocation 5G~10G).
Storage safety：Setting up the purview certification mechanism of system with reference to uniform security policies, there is provided user authentication and domain certification
User and group's access cloud storage data are supported, after domain user is logged in by DC certifications, FTP client FTP passes through self-starting script
Automatic mapping network drive, when user's maiden visit, server end will combine cloud storage system and set up corresponding automatically for user
Resource TOC, without user intervention.It is identical with domain user on Consumer's Experience for personal user, it is safe in order to realize
Access strategy, server end is that non-domain user also sets up corresponding user account.
Backup disaster tolerance：To fully ensure that the data safety of cloud storage system deletes Restoration Mechanism there is provided journal function and by mistake,
Reliable data safety guarantee is realized by strange land redundancy backup.
Cloud scheduling management subsystem CloudOS, fully combines cloud application management subsystem CloudAMS, cloud storage subsystem
CloudDisk, server virtual subsystem CloudVM realize cloud resources regulation, are the unified centralized management of cloud service platform
Core.Offer includes the functions such as the management, scheduling, dynamic load leveling of virtual desktop/application delivery, is that user's request is delivered
Receiving terminal, is also operation maintenance personnel back-stage management and the management and control end safeguarded.Concrete function includes：
Access authentication of user is managed：It is unified to receive user service request message, task parsing is carried out according to message, with reference to cloud
Server platform security strategy carries out authenticating user identification and authority is determined, it is ensured that the legitimacy and security of user's access.
Task scheduling distribution management：Resource orientation analysis, the flexible resource allocation of design flexibility are carried out according to task analysis
Strategy, it is ensured that the load balancing of each server resource, can realize the efficient fast dispatch of task by multi-stage scheduling mechanism.
Virtual desktop interactive maintenance：According to users' personal allocation information, for virtualization desk tops enable it is all kinds of needed for
Resource, while monitor the running status of virtualization desk tops, backup virtual machine running state parameter there is provided virtual machine (vm) migration and
Function is restarted in mobile recovery, fully ensures that service high efficiency and service reliability.
Safety storage allocation manager：It is that user distributes logical memory space with reference to cloud storage system, realizes cloud account number with depositing
The Security mapping in space is stored up, capacity regulation and control are carried out according to memory space behaviour in service.
Safe and reliable Restoration Mechanism：Realize that state backup, mirror back-up are quick there is provided strange land for virtualization desk tops
Restart recovery, it is ensured that business continuance；Strange land redundancy backup is carried out for data storage, Information Security is fully ensured that and reliable
Property.
Cloud service platform needs to provide reliable flexible network access mode for cloud terminal, realizes that cloud service is fast provided,
The access technology of offer includes：Wireless access way is provided for cloud terminal, the distribution of its IP address is using dynamic DHCP.Safety office
Cloud system provides single SSID access points.Cloud terminal uses VPN mode access of virtual desk tops, and desktop cloud platform is deployed in
MSS domains.Private address is distributed for each desk tops virtual machine, it is ensured that the isolation between each virtual machine.
Specifically, reading terminal includes：Desktop cloud subsystem CloudDesk and application management subsystem AMS, desktop cloud
System CloudDesk is decoupling by the desktop environment of user and terminal device that it is used, and access is stored in cloud service
The desktop environment corresponding to each user on the server of platform, and the application operating of user is fed back into cloud service put down
Platform；Application management subsystem AMS, using B/S frameworks, completes the subscription to all kinds of resources on cloud service platform and customizes, and to making
Cloud storage space corresponding to user carries out operation deployment.
CloudDesk desktop cloud subsystems are used in reading terminal side, provide various virtual with application management subsystem AMS
Change application management；Server virtualization and cloud virtual memory system are realized in cloud service platform side with CloudVM and CloudDisk,
Subsystem CloudAMS is managed by cloud scheduling management subsystem CloudOS and cloud application and realizes Access Control, operation management, money
The functions such as source integration, load balancing；Information exchange is carried out by compressive reflexes agreement CRP between end side and platform side.
Desktop cloud subsystem CloudDesk on reading terminal is by virtualization technology (Virtualization) by user
Desktop environment and terminal device that it is used it is decoupling.What is deposited on server is each user's whole desktop environment.User
It can use the different terminal devices with processing and display function enough, such as PC, cloud computer or smart mobile phone etc.,
And mobile phone reading terminal can use a variety of different operating systems, such as ISO or Android, and by diversified
The secure network access desktop environment.In cloud architectural framework, concentrate on server end management and configuration working environment and
The office application software that other clients need, CloudDesk receives and fed back virtual desktop data message by CRP agreements,
And provide the user diversified custom feature, such as display styles, default contexts, and various applications etc..
Preferably, virtual nephrite cat's-eye terminal can be used to be implanted into different cross-platform entity reading terminals (PC, Pad, mobile phone etc.),
Using the cloud storage of independent research software terminal framework can be coordinated to be supported there is provided Wifi and Ethernet access, exclusive compressive reflexes
Access protocol CRP can provide the transmission optimization function such as safe transmission, compression acceleration, path shunt, while other compatible main flows connect
Enter agreement (ICA, RDP, VNC etc.), provide the user complete reading experience, both ensure the numeral money between user's different terminals
Source coordination sharing, ensures that legal resource will not be propagated illegally among different users again.
Specifically, the authentication management between cloud service platform and reading terminal is completed by http authorizing procedures, legal
The synchronous all cloud storage spaces of reading terminal content；Reading terminal is made after the completion of authentication using the MAC Address of its own
Registered for keyword on cloud service platform, cloud service platform knows terminal capability according to registered terminal models.
Specifically, the pulling subprograms based on reading terminal, trigger the synchronization distribution subprogram in high in the clouds, carry out high in the clouds
With the digital resource database diversity ratio pair of reading terminal, then first by reading terminal perform remove difference braille program, then by
High in the clouds and reading terminal coordinate the synchronous synchronizing process downloaded subprogram, complete all digital contents for performing pushing；
During pushing, cloud service platform will carry out the adaptation of digital resource according to terminal capability, advanced row digital resource it is secondary
Compiling, produces and is based on screen size, the digital resource of operating system, while being merged using MAC Address number as encryption information into original
In beginning digital resource, then it is distributed.
For different reading terminals, the digital resource of cloud service platform conversion is realized automatic according to terminal screen size
The Automatic Typesetting of books, adapts to the display demand of various screens.User is in order to obtaining more preferable reading experience, it is desirable to document
Content can adaptively be adjusted according to the characteristic of display device.By adding document logical structure information, it can melt simultaneously
The characteristic that format is read and streaming is read is closed, both master former formula can be carried out to digital content on common computer screen
Present, more can be by the logical structure information of page object, in the narrow and small shifting of the screen such as mobile phone, Reading for academic studies device, GPS, PDA
Streaming is carried out in dynamic equipment to reset to be supplied to the more preferable reading experience of user.
Using the digital publishing system based on cloud computing of the present invention, following functions can be achieved：
Multiple terminals is cooperateed with：Synchronous read between the multiple reading terminals of same client is realized based on " cloud collaboration " technology, and
Realize in the interactive modification annotation of a terminal-pair digital book, other associated terminals can be pushed to automatically, several ends are realized
Association and synchronization interactive between end.
Multiple resource is merged：The various forms of the polymorphic resource of system globe area digital product.For example, in terms of e-book,
The multiple formats such as PDF, CEB, TXT, EPUB, video file, the form such as avi, wmv, mpeg, mp4, mov, in terms of audio
The forms such as CD, OGG, MP3, ASF, WMA, the different-format content of also various forms of digital products is whole in platform and client
Realize that indifference is read in end.User, which reads, mainly browser and terminal reading both of which.
Browser model：If user browses digital product using browser, system capture automatically user's ardware model number and
Browser, determines readding on the hardware copyright user screen size and resolution ratio of user, reader's screen that adjust automatically is promoted
Reading mode is presented to user with optimal display mode.
Terminal reading pattern：User directly uses digital product by client downloads, is beaten in product and reader adaptation
The process opened is completed on platform, and system is pushed to the digital product of opening in the form of " cloud desktop " display of reader
Device, and be user's developing cloud storage space in platform, the resource of user terminal is not take up, the process run and stored is all in " cloud
End " is completed.And automated system operation program clears up the hardware terminal of user when user is closed using digital product.
Migration on demand between cloud service platform and terminal：According to the situation of the digital product of user, system is realized automatically
Between cloud platform and terminal, the migration on demand thought is settled accounts, conventional reader runs digital product, and running is local mostly
Complete, consumption local computing, the resource such as storage requires all very high to software and hardware, and the speed of service is limited, the use effect of user
It is really bad, the pattern in " high in the clouds " is taken now, and calculating storage is thought that being all placed on high in the clouds completes, and reduces local operand,
Take local resource seldom, calculating and storage have been accomplished the migration on demand between cloud platform and terminal.
Wherein, copyright protection platform, is encrypted to the different types of publication in content resource management platform, prevents
It is pirate；Including content layer encryption and the encryption of client layer two-stage.Different content bag, using different keys；Same content bag
In All Files use identical AES and key；Copyright protection software is that a content bag distributes a key；Client
End is when needed to copyright protection software module request key.In client request content key, copyright protection software module
Returned after content key is encrypted by user's unique mark, client is by user's unique mark by content key decryption
Afterwards, then to content bag decrypt, can now obtain content information.So by secondary encryption, can effectively prevent piracy.
Preferably, resources processing platform includes resources processing subsystem；
Resources processing subsystem, for obtaining correlation rule between digital resource using Apriori algorithm, using obtaining
Correlation rule obtain collection processing after resource.
Apriori algorithm (R.Agrawal, R.Srikant.MiningSequential Patterns), Apriori is calculated
Method is the core of association rules mining algorithm, is actually solved two problems：(1) all supports are found more than minimum support
Item collection, these item collections turn into Frequent Set；(2) Frequent Set found in (1) is used to produce desired rule.With correlation rule
Classification is associated to digital resource；Wherein, digital resource can be retrieved according to the request of user in database
's；It may also comprise what system was recommended to user.A large amount of digital resources have been stored up in database in advance.
Specifically, content resource management platform includes semantically enhancement subsystem, is used for：
According to the different demarcation of type it is generic concept semantic primitive and special semantic primitive by pending digital resource,
Obtain the semantic primitive statement of digital resource；
It is single to the semanteme in the semantic primitive statement of digital resource using seven layers of file hierarchy model of text intuitionistic form
Member is combined, and obtains the semantically enhancement description of digital resource.
Specifically, seven layers of file hierarchy model include marker element, row, section, section, chapter, data set and data cluster the bottom of from
Layer is to high-rise seven grades, and its marking elements is semantic primitive, and low layer semanteme is according to resource script text organizational mode combination table
Up to high-level semantic.
Specifically, special semantic primitive includes the art in term, concept, formula or the encyclopedic dictionary in elementary teaching teaching material
Language bar；The semantic primitive of generic concept semantic primitive then including popular literature etc. in other resources.
The statement of digital resource semantic primitive is made up of a variety of semantic primitives, and the classification of semantic primitive is by numeral
What the content of resource was determined.According to the difference of digital resource content, semantic primitive is divided into generic concept semantic primitive and special
Semantic primitive.Term bar based on special semantic primitive in teaching teaching material in term, concept, formula or encyclopedic dictionary etc.；It is logical
It is then other resource semantic primitives such as popular literature with Concept Semantic unit.
Due to the difference of syntax element types, thus divide digital resource, it is necessary to division methods it is also different.
1), the division of generic concept semantic primitive：After the pretreatment such as stop words and removal interference, in digital publishing
Using two-way maximum matching process cutting participle on the basis of conceptual base, and the upper of completion word is associated with knowledge tree according to conceptual base
Hereafter linguistic context disambiguation, while by semantic tagger to knowledge tree, indicating semantic primitive category attribute, completes resource generic concept language
The division of adopted unit.
2), the division of the special semantic primitive of digital publishing：
A), the division of formula：Calculated according to the setting identification of the lingual structure feature of the special semantic primitive of formula, term etc.
Method.There can be the characteristics of prompting illustrates within a context according to formula cells, identify in digital resource and formula structure feature occur
Content of text, namely the context that formula occurs, and according to the suggesting effect up and down of structure its correspondence position up or down
In the range of identification include the alphameric listeral of certain length, establish the position of formula head and formula tail, mark off formula, and general
The BSR semantic unit in comment is pointed out to mark stroke for the semantic primitive for completing formula thereon as the semantic description of formula
Point.
B), the division of term：Term can be embodied in the subject dictionary of field, on the dictionary resource base of field, using double
Participle is cut to maximum matching process, while by semantic tagger to knowledge tree, completing the division of term.
Above-mentioned division methods are applied to digital resource, the semantic primitive statement of digital resource is obtained.
The digital resource semantically enhancement of the present invention describes the framework based on seven layers of file hierarchy model, and the model uses text
This intuitively structure type, including marker element, row, section, section, chapter, data set and data cluster are from bottom to high-rise seven grades,
Its marking elements is semantic primitive, and low layer model semanticses are according to resource script text organizational mode combinational expression high-level semantic.
Semantic primitive in being stated using this seven layers of file hierarchy models digital resource semantic primitive is combined, and constructs digital money
The semantically enhancement description in source.
Specifically, copyright protection platform includes publication typesetting subsystem, for by the number in content resource management platform
According to, according to default imposition layout carry out typesetting, obtain publication to be released.
Detailed process is：
Typesetting instruction is received, typesetting instruction includes class indication；
Template file corresponding with class indication is determined whether there is, template file is used for the typesetting cloth for describing publication
Office；Specifically, if in the presence of the template file corresponding with the item name and label in class indication, opening this mould
Plate file, so as to show imposition layout's situation of the template file.
When judge templet determines there is template file corresponding with class indication, then according to template file, show corresponding
Imposition layout；
The data for treating typesetting that user sends are received, the data for treating typesetting are loaded into the corresponding position of imposition layout,
To form publication.
After the template file of classification needed for opening, user inputs the data for treating typesetting of digital publication, foundation
The prompt message of column layout and each column in template file, treats that the data of typesetting are positioned over relative with data by each
At the position answered, so that the data for treating typesetting to be loaded into the corresponding position of imposition layout, for example, in imposition layout
Some column pointed out addition word content, then only need to word content being loaded into this column, treated out so as to be formed
The digital publication of version.
Wherein, the imposition layout of different digital publications is described in different template files, imposition layout includes
The column layout of each space of a whole page of template file, the prompt message of each column, audio, video, picture and link, Yi Jiyin
Frequently, video, picture and the positional information of link, wherein, these audios, video, picture, link are fixedly installed in advance, and
The non-data content for treating typesetting.The software for composing of digital publication is received after typesetting instruction, is judged whether and is classified
The corresponding template file of item name and label in mark；For example, in the item name in class indication is
State, it is necessary to which it is template that is Chinese and being mathematic subject to go to determine whether there is publication country when label is mathematic subject
File, the template file describes to need the imposition layout in the digital publication of China's publication, and its imposition layout is suitable
Together in the typesetting of the digital publication of mathematic subject.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.
Claims (10)
1. a kind of digital publishing system based on cloud computing, it is characterised in that including：Cloud service platform, platform of user management, read
Read terminal, resources processing platform, content resource management platform, distribution platform and copyright protection platform；
The cloud service platform, based on facility service platform, virtual digital resource is managed concentratedly and regulated and controled,
Desktop services and application service are provided for the reading terminal, corresponding cloud storage space is provided for the reading terminal；
The platform of user management, managing user information, and handle user's registration and logging request；
The reading terminal, is connected by network with the cloud service platform, is shown desktop environment and is provided to the user
Virtualization applications management operation, shows the digital resource sent by the cloud service platform；
The resources processing platform, is acquired and processes to the digital resource；
The content resource management platform, will gather the resource classification after processing and is stored in database, realize the storage tube to resource
Reason, and produce and generate different types of publication；
The copyright protection platform, is encrypted to the different types of publication in the content resource management platform, prevents
It is pirate；
Data in the content resource management platform are carried out publication issue by gateway publishing, led to by the distribution platform
Cross the cloud service platform and provide digital content services for the user；
The cloud service platform, platform of user management, reading terminal, resources processing platform, content resource management platform, issue are flat
Platform and copyright protection platform belong to high in the clouds together.
2. the digital publishing system according to claim 1 based on cloud computing, it is characterised in that
The cloud service platform include cloud application management subsystem, cloud scheduling management subsystem, server virtual sub-systems and
Cloud virtualized storage subsystems；
The cloud application manages subsystem, the management for completing the desktop services and application service, using B/S frameworks；
The cloud scheduling management subsystem, carries out United Dispatching, monitoring for the virtual machine to the cloud service platform and manages,
By service virtual machine parallel processing is given with distribution of computation tasks；
The server virtual sub-systems, for access it is abstract after digital resource, and provide logical for similar digital resource
Abstraction interface collection；
The cloud virtualized storage subsystems, are user's distribution cloud of the reading terminal for realizing that virtual memory space maps
Digital resource of the storage corresponding to the user in memory space, and corresponding cloud storage space on the server.
3. the digital publishing system according to claim 2 based on cloud computing, it is characterised in that
Also include Access Control subsystem and Monitor And Control Subsystem in the cloud service platform；
The Access Control subsystem, for managing described by key authentication sum Access Control subsystem word certificate server
Reading terminal is linked into the cloud service platform；
The Monitor And Control Subsystem, for being monitored to physical resource and virtual resource simultaneously, from AD domain controllers to described
Reading terminal carries out management and control.
4. the digital publishing system according to claim 1 based on cloud computing, it is characterised in that
The reading terminal includes desktop cloud subsystem and application management subsystem；
The desktop cloud subsystem, for the desktop environment of the user and terminal device that it is used is decoupling, access is visited
Ask the desktop environment corresponding to each user being stored on the server of the cloud service platform, and by the application operating of user
Feed back to the cloud service platform；
The application management subsystem, for completing the subscription customization to all kinds of resources on the cloud service platform, and to described
Cloud storage space corresponding to user carries out operation deployment, and the application management subsystem uses B/S frameworks.
5. the digital publishing system according to claim 1 based on cloud computing, it is characterised in that
Authentication management between the cloud service platform and the reading terminal is completed by http authorizing procedures, legal reading
The content in the synchronous all cloud storage spaces of terminal；The reading terminal after the completion of authentication, using the MAC Address of its own as
Keyword is registered on the cloud service platform, and the cloud service platform knows terminal energy according to registered terminal models
Power.
6. the digital publishing system according to claim 1 based on cloud computing, it is characterised in that
The resources processing platform includes resources processing subsystem；For using Apriori algorithm obtain the digital resource it
Between correlation rule, using obtained correlation rule obtain collection processing after resource.
7. the digital publishing system according to claim 1 based on cloud computing, it is characterised in that
The content resource management platform includes semantically enhancement subsystem, is used for：
Different demarcation by pending digital resource foundation type is generic concept semantic primitive and special semantic primitive, is obtained
The semantic primitive statement of digital resource；
It is single to the semanteme in the semantic primitive statement of the digital resource using seven layers of file hierarchy model of text intuitionistic form
Member is combined, and obtains the semantically enhancement description of digital resource.
8. the digital publishing system according to claim 7 based on cloud computing, it is characterised in that
Seven layers of file hierarchy model includes marker element, row, section, section, chapter, data set and data cluster from bottom to high level
Seven grades, its marking elements is semantic primitive, and low layer is semantic according to the high-rise language of resource script text organizational mode combinational expression
Justice.
9. the digital publishing system according to claim 7 based on cloud computing, it is characterised in that
The special semantic primitive includes the term bar in term, concept, formula or encyclopedic dictionary in elementary teaching teaching material；Institute
Stating generic concept semantic primitive includes the semantic primitive in popular literature resource.
10. the digital publishing system according to claim 1 based on cloud computing, it is characterised in that
The copyright protection platform includes publication typesetting subsystem, for by the data in the content resource management platform,
Typesetting is carried out according to default imposition layout, publication to be released is obtained.
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