CN114780671A - Display method of patent citation relation, computer device and computer readable storage medium - Google Patents
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Abstract
The invention provides a display method of patent citation relationship, a computer device and a computer readable storage medium, wherein the method receives an input technical keyword, retrieves a patent document corresponding to the technical keyword, a cited patent document and a cited patent document, respectively obtains the cited patent document and the cited patent document, respectively, determines the weight of each patent document according to the sum of the number of times of the cited patent document and the number of times of the cited patent document by other patent documents, and generates a patent citation relationship graph according to the weight. The method has the characteristics that the core patents in the technology or technical field corresponding to the technical keywords are more accurately obtained, the patent citation relation graph is more visually displayed, the complete patent citation relation can be displayed in a smaller display graph range, the user can refer conveniently, and the time for the user to screen the patent documents is shortened.
Description
Technical Field
The invention relates to the field of data processing, in particular to a display method of patent citation relation, a computer device and a computer readable storage medium.
Background
When a certain technology or a certain technical field needs to be researched, the research and development direction of the technology is often required to be determined, the patent is used as common reference information, and the research and development direction disclosed by the core patent can be used as a reference basis for future research and development by analyzing the core patent of the technology or the technical field to be developed.
When determining the core patents of a technical field, because the more patents are cited in a patent document, the more the patent document is, the more the technical solution of the patent document is often related, which may be a more critical patent document in a certain technology or a certain technical field, the number of the patent documents cited when the applicant writes and the number of the patent documents cited when the examiner examines in the searched patents are often used as one of the determination conditions of the core patents.
Chinese patent application No. CN101276358A discloses a method for analyzing relevance of patent technology, which obtains a certain number of patent documents by outputting search conditions, then obtains the patent documents cited by the patent documents respectively, determines the dogs of the cited patent documents according to the number of times that the cited patent documents appear in all the initially searched patent documents, and finally ranks the cited patent documents according to weights, wherein the earlier the rank is, the patent documents have higher technical relevance to other searched patent documents, and the searcher preferably selects the patent documents with high technical relevance to obtain the common technical problems to be solved in the technology or technical field of the search, and further focuses on the matters as the reference for future research and development directions, market evaluation and other decisions.
Although the above scheme can obtain the core patent of the retrieval technology or the technical field, the scheme still has the defects. In this scheme, only the core patent is confirmed from the cited patent document in the retrieved patent document, and the situation that the retrieved patent document is cited as another patent document is not considered, so that the judgment method is not comprehensive, and the citation relation between the patent documents is not intuitive.
Disclosure of Invention
The first purpose of the invention is to provide a display method for displaying more intuitive and more comprehensive patent citation relation judgment.
It is a second object of the invention to provide a computer apparatus.
It is a third object of the present invention to provide a computer-readable storage medium
In order to achieve the first object, the present invention provides a method for displaying a patent citation relationship, including: acquiring technical keywords, and searching according to the technical keywords to obtain a plurality of first patent documents; for each first patent document, acquiring a second patent document cited by the first patent document, and acquiring a third patent document cited by the first patent document; for each second patent document, acquiring a fourth patent document cited by the second patent document, and acquiring a fifth patent document cited by the second patent document; for each third patent document, acquiring a sixth patent document cited by the third patent document, and acquiring a seventh patent document cited by the third patent document; determining the weight of each patent document according to the citation and citation relation among the first patent document, the second patent document, the third patent document, the fourth patent document, the fifth patent document, the sixth patent document and the seventh patent document; the weight of one patent document is in positive relation to the sum of the number of times other patent documents are cited and the number of times other patents are cited; generating a patent citation relation schematic diagram according to the weight, wherein the patent citation relation schematic diagram comprises a plurality of feature points, each feature point represents one patent document, the feature points are connected through line segments to represent that citation or citation relation exists between the patent documents, the weight of the feature points is in positive relation to the number of other feature points connected by the feature points, and the display size of the feature points is in positive relation to the weight of the feature points.
According to the scheme, according to a plurality of first patent documents obtained through technical keyword search, a second patent document and a third patent document which quote the first patent documents are obtained, a fourth patent document and a fifth patent document which quote the second patent document are obtained, a sixth patent document and a seventh patent which quote the third patent document are obtained, the weights of the patent documents are determined according to the quoted relations among the patent documents, and finally a patent quote relation schematic diagram is generated according to the weights. Because the patent documents are represented by the characteristic points on the patent citation relation diagram, the citation relation exists between the patent documents represented by the characteristic points through line segment connection, and the technical flow relation between the patent documents is visually shown; the condition that the retrieved patent is quoted by other patents is also considered by the weight, so that the core patent is judged more comprehensively and accurately; the weights of the patent documents are represented by the sizes of the feature points, so that a user can conveniently and directly find the patent document with high weight, the time for reading the patent document with low weight is shortened, and the important reference patent document in the technical field of retrieval is obtained as soon as possible.
Further, when the weights of the patent documents are determined based on the cited and cited relationships among the first patent document, the second patent document, the third patent document, the fourth patent document, the fifth patent document, the sixth patent document and the seventh patent document, the weight of the patent document acquired earlier is the largest if the sum of the number of times that the patent document acquired earlier and the patent document acquired later quotes the other patent document and the number of times that the patent document is quoted by the other patent document is equal to the maximum value.
As a result, the weight determination of each patent document is made more accurate.
Further, if the sum of the number of times of citation of other patent documents and the number of times of citation of other patents of at least two patent documents in the patent documents acquired at the same time is equal to and the maximum value, the relative value of the patent document with the number of times of citation of other patent documents and the number of times of citation of other patents which is equal to and the maximum value is calculated, and the relative value is the maximum, and the weight is the maximum.
Therefore, the core patent documents in the technical field of retrieval can be more accurately acquired through calculation of relative value.
Further, the relative value of each patent document is determined according to the ratio of the number of times the patent document is cited by other patent documents to the number of times the patent document is cited by other patent documents, and the relative value is positively related to the ratio.
Therefore, the relative value of the patent document can be better evaluated through the ratio of the number of times the patent document is cited by other patents to the number of times the patent document is cited by other patents.
Further, the family of patents of the first patent document includes a second patent document, a third patent document, a fourth patent document, a fifth patent document, a sixth patent document, and a seventh patent document; when the patent citation relationship diagram is output according to the weight, the color of the feature point corresponding to each patent document in the family of the first patent document is different for different family patents of the first patent document.
Therefore, the patent of the same family can be looked up more intuitively.
Further, when the patent citation relation graph is output according to the weight, the characteristic points are connected through directed line segments to indicate that citation or citation relation exists between patent documents, and the patent documents corresponding to the characteristic points connected by the arrow ends of the directed line segments are cited as the patent documents corresponding to the characteristic points connected by the initial ends of the directed line segments.
Therefore, the patent citation relation diagram is clear and convenient to view and search.
Further, when the patent citation relation graph is output according to the weight, the feature points are all arranged in the preset area, wherein the feature points which are not connected with other feature points are arranged at the edge closest to the preset area.
Therefore, the patent citation relation diagram is clear in structure.
In order to achieve the second object, the present invention provides a computer device, comprising a processor and a memory, wherein: the memory stores a computer program which, when executed by the processor, implements the steps of the above-described patent citation relationship display method.
In order to achieve the third object described above, the present invention provides a computer-readable storage medium having a computer program stored thereon, wherein: the computer program when running realizes the steps of the patent citation relation display method.
Drawings
Fig. 1 is a flowchart of an embodiment of a patent citation relationship display method of the present invention.
Fig. 2 is a patent citation relationship diagram of an embodiment of the patent citation relationship display method of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
The method is used for displaying the patent citation relationship, searching a first patent document according to a preset technical keyword by inputting the preset technical keyword, then acquiring a second patent document cited by the first patent document and a third patent document citing the first patent document, respectively acquiring the cited patent document and the cited patent document of the second patent document and the third patent document as same as the first patent document, finally determining the weight according to the cited relationship by the reference, and generating a patent citation relationship schematic diagram according to the weight.
The "first patent document", "second patent document", "third patent document", "fourth patent document", "fifth patent document", "sixth patent document" and "seventh patent document" referred to in the present invention are for distinguishing the citation relationship among the respective patent documents, and do not show the order of the specific contents of the respective patent documents. If the third patent document includes a plurality of patent documents, as in the third patent document that cites the first patent document, there is a case where one of the plurality of patent documents is the patent document that the second patent document cites, that is, the third patent document may also be the fourth patent document as to the content of the specific patent document.
The patent citation relation display method of the invention comprises the following steps:
in this embodiment, the patent citation relationship display method is implemented through a program on the smart phone, and the user inputs a technical keyword, and the program on the smart phone processes the technical keyword to output a patent citation relationship schematic diagram. The method comprises the following specific steps:
referring to fig. 1, the patent citation relationship display method of the present embodiment displays the citation relationship of the patent, and step S1 is executed first to obtain a technical keyword, and a plurality of first patent documents are retrieved according to the technical keyword. Specifically, a user inputs a technical keyword on the smart phone, where the technical keyword may be a specific name of a certain technology or a specific technical field, such as a specific name of a certain medicine, and the smart phone retrieves a plurality of first patent documents according to the technical keyword input by the user.
Executing step S2, for each first patent document, acquiring a second patent document cited by the first patent document, and acquiring a third patent document cited by the first patent document;
executing step S3, for each second patent document, acquiring a fourth patent document cited by the second patent document, and acquiring a fifth patent document cited by the second patent document;
step S4 is executed to acquire, for each third patent document, a sixth patent document cited by the third patent document, and a seventh patent document cited by the third patent document;
it is easy to understand that the search and acquisition of the above patent documents can be obtained by an existing search system. The second patent document, the third patent document, the fourth patent document, the fifth patent document, the sixth patent document and the seventh patent document may be one or more according to different technical keywords. In actual data processing, a corresponding patent document is identified by its application number or publication number.
Step S5 is executed to determine the weight of each patent document according to the cited and cited relationship among the first patent document, the second patent document, the third patent document, the fourth patent document, the fifth patent document, the sixth patent document, and the seventh patent document. Specifically, the weight of a patent document is determined according to the sum of the number of times that the patent document cites other patent documents and the number of times that the patent document cites other patents, the more the number of times that one patent document cites other patent documents, and the more times one patent document cites another patent document, the more the technology related to the patent document is, the greater the degree of association with the technology or other technologies in the technical field, this patent document may be a basic technology in this technology or technical field or a comprehensive technology integrating a plurality of technologies in this technical field, therefore, the patent document has high reference value, the more the weight of the patent document is considered to be, the development of the technology or the technical field can be quickly known through reading the core patent, and a reference is provided for the following research and development. In addition, the situation that the retrieved patents are quoted by other patents is considered, the situation that the retrieval result is not comprehensive enough and the finally obtained core patent is not accurate enough due to the fact that the input technical keywords do not fully consider the technical keywords with the same meaning is avoided, the embodiment combines the situation that the retrieved patents are quoted by other patents to judge, the influence of inaccurate retrieval result caused by the fact that the input technical keywords are not clear and comprehensive enough can be weakened, and the core patent obtained through confirmation is more accurate.
According to different acquisition times, the acquired patent documents can be divided into a first level, a second level and a third level from first to last according to the acquisition time, and the time for acquiring the patent documents at each level is the same. The first hierarchy includes a first patent document, and the second hierarchy includes a second patent document and a third patent document; the third level includes a fourth patent document, a fifth patent document, a sixth patent document, and a seventh patent document. If a certain patent document exists in different levels, the level of the certain patent document is considered as the highest level in the order of the levels, and the highest level is the first level. The first-level patent document is a patent document acquired first with respect to the second-level patent document and the third-level patent document, the second-level patent document is a patent document acquired first with respect to the third-level patent document, the second-level patent document is a patent document acquired later with respect to the first-level patent document, and the third-level patent document is a patent document acquired later with respect to the first-level patent document and the second-level patent document. When the core patent is confirmed, if the sum of the times of citation of other patent documents and the times of citation of other patents of at least two patent documents is the same and is the maximum value, the method is divided into two cases: one of the two ways is that the sum of the times of citation and citation of other patent documents of the previously acquired patent document and the later acquired patent document is the same, and the weight of the previously acquired patent document is considered to be greater because the previously acquired patent document is more related to the technical keyword, and if the sum of the times of citation and citation of other patent documents of the second patent document and the fourth patent document is the same, the weight of the second patent document is greater than that of the fourth patent document. The other is a patent document at the same level, that is, in a patent document acquired at the same time, if there are at least two patent documents whose number of times of citing other patent documents is equal to the number of times of citing other patents, it is necessary to calculate the relative value of each of the patent documents whose number of times of citing other patent documents is equal to the number of times of citing other patents and has the maximum value, and the relative value is the largest, and the weight is the largest. The relative value of each patent document is determined according to the ratio of the times of the patent document itself being quoted by other patent documents to the times of the patent document being quoted by other patent documents, the times of the patent document itself being quoted by other patent documents is used for measuring the dependence of the patent document on other patent documents, the times of the patent document being quoted by other patent documents is used for measuring the value, namely the absolute value, of other patents, when one patent document is widely quoted by other patents and the number of the patent document itself being quoted by other patents is less, the patent document is explained to possibly disclose a technology with higher creativity and wider applicability, the patent document is explained to be more likely to be the technology or a core patent in the technical field, so the relative value of the patent document is determined according to the ratio of the times of the patent document itself being quoted by other patent documents to the times of the patent document being quoted by other patent documents at this time, the ratio is larger, the higher the relative value of the method is, the larger the weight is, so that the obtained core patent result is more accurate.
And step S6 is executed, and a patent citation relation schematic diagram is generated according to the weight. Referring to fig. 2 and fig. 2 are schematic diagrams of patent citation relations, a plurality of feature points 11 are included in a preset area 1, each feature point represents a patent document, the feature points 11 can be connected through directed line segments 12 to represent that there is a citation or citation relation between two patent documents, wherein the patent documents corresponding to the feature points connected by the arrow ends of the directed line segments 12 refer to the patent documents corresponding to the feature points connected by the initial ends of the directed line segments. The displayed size of the feature point 11 is positively related to the weight of the feature point, that is, the larger the weight of the patent document corresponding to the feature point 11 is, the larger the display size thereof is, with reference to fig. 2, the first patent document includes document A, B, C, D, E in which documents C, D and E have no citation relationship with other patent documents, and the corresponding feature point thereof is disposed at the edge closest to the preset area 1, so that the schematic diagram of the patent citation relationship is clearer. For document a, the second patent document includes document F, the third patent document includes document G and document H, the fourth patent document includes document I, the fifth patent document includes document B and document J, the sixth patent document includes document H, and the seventh patent document includes document K. As for document B, the second patent document thereof includes document F. The document F is the core patent of the technology or the technical field corresponding to the technical keyword, and the user can read the patent document corresponding to the feature point by directly clicking the feature point. In order to more intuitively display the citation relationship among the patents, for each first patent document, the corresponding second patent document, third patent document, fourth patent document, fifth patent document, sixth patent document and seventh patent document patents are taken as the same family patents, the characteristic points of the patent documents in the same family patents are in the same color, the color of the characteristic point of the patent document of the same family patent corresponding to different first patent documents is different, and the color of the corresponding characteristic point of the patent document connected with different family patents can be the color corresponding to the characteristic point of the patent document of any one of the connected family patents. The citation relation diagram intuitively shows the flowing relation among the technologies, so that a user can conveniently find the key technologies in time, and the corresponding patent documents are used as important reference bases of the research and development input direction of the user.
The embodiment of the computer device comprises:
the computer device obtained in this embodiment includes a processor and a memory, where the memory stores a computer program, and the processor implements the steps of the above-mentioned patent relation citation display method when executing the computer program.
The computer device may include, but is not limited to, a processor and a memory. Those skilled in the art will appreciate that the computer apparatus may include more or fewer components, or combine certain components, or different components, e.g., the computer apparatus may also include input-output devices, network access devices, buses, etc.
For example, the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, and so on. A general purpose processor may be a microcontroller or the processor may be any conventional processor or the like. The processor is the control center of the computer device and connects the various parts of the overall computer device using various interfaces and lines.
The memory may be used to store computer programs and/or modules, and the controller may implement various functions of the computer apparatus by executing or otherwise executing the computer programs and/or modules stored in the memory and invoking data stored in the memory. For example, the memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (e.g., a sound receiving function, a sound-to-text function, etc.), and the like; the storage data area may store data (e.g., audio data, text data, etc.) created according to the use of the cellular phone, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Computer-readable storage medium embodiments:
the modules integrated by the computer apparatus of the above embodiments, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on such understanding, all or part of the flow of the above-mentioned patent citation relation display method embodiment can also be implemented by instructing relevant hardware through a computer program, and the computer program can be stored in a computer readable storage medium, and when the computer program is executed by a controller, the steps of the above-mentioned patent citation relation display method embodiment can be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The storage medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
As can be seen from the above, the patent citation relationship display method of the present invention receives an input technical keyword, retrieves a patent document corresponding to the technical keyword, a cited patent document and a cited patent document, then obtains the cited patent document and the cited patent document from the obtained patent document and the cited patent document, respectively, determines the weight of each patent document according to the sum of the number of times of the cited patent document and the number of times of the cited patent document by other patent documents, generates a patent citation relationship diagram according to the weight, the characteristic points on the patent citation relationship diagram represent corresponding patent documents, the connection between the characteristic points represents that there is citation or citation relationship between the patent documents, the size of the display of the characteristic points represents the weight of the patent document corresponding to the characteristic points, and the present invention sets the weight by comprehensively considering the cases that the retrieved patent is cited by other patents or cited other patents, the method and the device have the advantages that the core patents in the technical or technical field corresponding to the technical keywords can be obtained more accurately, the patent citation relation graph is displayed more visually, the complete patent citation relation can be displayed in a smaller display graph range, the user can refer conveniently, and the time for the user to screen patent documents is shortened.
Claims (9)
1. A method for displaying patent citation relationship, comprising:
obtaining technical keywords, and searching according to the technical keywords to obtain a plurality of first patent documents;
for each of the first patent documents, acquiring a second patent document cited by the first patent document, and acquiring a third patent document cited by the first patent document;
for each of the second patent documents, acquiring a fourth patent document cited by the second patent document, and acquiring a fifth patent document cited by the second patent document;
for each of the third patent documents, acquiring a sixth patent document cited by the third patent document, and acquiring a seventh patent document cited by the third patent document;
determining the weight of each patent document according to the cited and cited relations among the first patent document, the second patent document, the third patent document, the fourth patent document, the fifth patent document, the sixth patent document and the seventh patent document; the weight of one patent document is in positive relation to the sum of the number of times other patent documents are cited and the number of times other patents are cited;
generating a patent citation relation schematic diagram according to the weight, wherein the patent citation relation schematic diagram comprises a plurality of feature points, each feature point represents one piece of patent literature, the feature points are connected through line segments to represent that citation or citation relation exists between the patent literatures, the weight of the feature points is in positive relation to the number of the feature points connected with other feature points, and the display size of the feature points is in positive relation to the weight of the feature points.
2. A method for displaying a patent citation relationship as claimed in claim 1 wherein:
when the weights of the patent documents are determined according to the citation and citation relations among the first patent document, the second patent document, the third patent document, the fourth patent document, the fifth patent document, the sixth patent document and the seventh patent document, if the sum of the number of times of citation of other patent documents and the number of times of citation of other patents of the patent documents acquired earlier and the patent documents acquired later is equal to a maximum value, the weight of the patent document acquired earlier is the maximum.
3. A method of displaying a patent citation relationship as claimed in claim 1 or 2 wherein:
if the sum of the times of citation of other patent documents and the times of citation of other patents of at least two patent documents in the patent documents acquired at the same time is equal to and the maximum value, the relative value of the patent document with the maximum value equal to the sum of the times of citation of other patents and the other patents is calculated, and the weight of the patent document with the maximum relative value is the maximum.
4. A method for displaying a patent citation relationship as claimed in claim 3 wherein:
the relative value of each patent document is determined according to the ratio of the number of times the patent document is cited by other patent documents to the number of times the patent document cites other patent documents, and the relative value is positively correlated with the ratio.
5. A method for displaying a patent citation relationship as claimed in claim 4 wherein:
the family of patents of the first patent document includes the second patent document, the third patent document, the fourth patent document, the fifth patent document, the sixth patent document, and the seventh patent document;
and when the patent citation relation diagram is output according to the weight, the color of the characteristic point corresponding to each patent document in the same family patent of the first patent document is different for different same family patents of the first patent document.
6. A method for displaying a patent citation relationship as claimed in claim 5 wherein:
when the patent citation relation graph is output according to the weight, the characteristic points are connected through directed line segments to indicate that citation or citation relation exists between the patent documents, and the patent documents corresponding to the characteristic points connected by the arrow ends of the directed line segments cite the patent documents corresponding to the characteristic points connected by the initial ends of the directed line segments.
7. A method for displaying a patent citation relationship as claimed in claim 6 wherein:
and when the patent citation relation graph is output according to the weight, the feature points are all arranged in a preset area, wherein the feature points which are not connected with other feature points are arranged at the edge closest to the preset area.
8. Computer apparatus comprising a processor and a memory, characterized in that:
the memory stores a computer program which, when executed by the processor, implements the steps of the patent reference relationship display method according to any one of claims 1 to 7.
9. A computer-readable storage medium having stored thereon a computer program, characterized in that:
the computer program when executed implements the steps of the patent citation relationship display method of any one of claims 1-7 above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210248142.4A CN114780671A (en) | 2022-03-14 | 2022-03-14 | Display method of patent citation relation, computer device and computer readable storage medium |
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| CN202210248142.4A CN114780671A (en) | 2022-03-14 | 2022-03-14 | Display method of patent citation relation, computer device and computer readable storage medium |
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| CN114780671A true CN114780671A (en) | 2022-07-22 |
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