WO2007132578A1 - dispositif de recherche d'installations et systÈme de navigation automobile utilisant celui-ci - Google Patents

dispositif de recherche d'installations et systÈme de navigation automobile utilisant celui-ci Download PDF

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Publication number
WO2007132578A1
WO2007132578A1 PCT/JP2007/053422 JP2007053422W WO2007132578A1 WO 2007132578 A1 WO2007132578 A1 WO 2007132578A1 JP 2007053422 W JP2007053422 W JP 2007053422W WO 2007132578 A1 WO2007132578 A1 WO 2007132578A1
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WO
WIPO (PCT)
Prior art keywords
facility
search
unit
popularity
information
Prior art date
Application number
PCT/JP2007/053422
Other languages
English (en)
Japanese (ja)
Inventor
Koji Hashimoto
Original Assignee
Mitsubishi Electric Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corporation filed Critical Mitsubishi Electric Corporation
Publication of WO2007132578A1 publication Critical patent/WO2007132578A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3679—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities

Definitions

  • the present invention relates to a facility search apparatus for searching for a facility and a car navigation system using the facility search device, and more particularly to a technique for searching for a facility having a high degree of popularity.
  • a facility search device that is incorporated in, for example, a car navigation device and can perform a facility search is known.
  • the information obtained as a search result includes only the name, telephone number, address, and location information of the facility. It was difficult.
  • Patent Document 1 discloses a navigation device that can easily acquire information related to a desired facility from an external information network (for example, the Internet). Disclosure. When any facility is selected from the list displayed on the screen, this navigation device displays a map centering on the selected facility on the screen. When the “INET” key set in this screen is operated, if the homepage address is stored in the facility index data of the selected facility, the provider is called to connect to the Internet, Facility index data power Use the read homepage address to access the homepage where information about the facility can be obtained and display the contents on the screen. Therefore, it is possible to easily and efficiently acquire detailed information related to the desired facility without performing a keyword search on the Internet.
  • Patent Document 2 discloses a server communication type navigation system that can use the latest facility database and the like as economically as possible.
  • a facility database and a destination search index having the same structure as a mobile device are placed in a server device, and the addresses of web pages corresponding to these are linked.
  • the local database of the mobile device is searched, and if necessary as a result of this search, the database of the server device is searched.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2000-136936
  • Patent Document 2 JP 2001-304874 A
  • the navigation device disclosed in Patent Document 1 needs to have a URL (Uniform Resource Locator) as facility index data as additional information of each facility information.
  • URL Uniform Resource Locator
  • Information is indispensable, and users need to access multiple homepages and compare their contents to select the desired facility, which requires troublesome operations and takes time. There is.
  • the present invention has been made in order to solve the above-mentioned problems, and its problem is to use a facility search device capable of easily and quickly searching for a desired facility with an inexpensive configuration and the use thereof. To provide a car navigation system.
  • a facility search apparatus includes a facility database that stores facility information, a facility search unit that searches for a facility from the facility database, and a facility that is searched by the facility search unit
  • the network search unit that searches using the search site prepared on the network using the facility information of the site as a search key, and the popularity of the facility searched by the facility search unit based on the number of hits in the network search unit
  • the evaluation unit includes a rating evaluation unit, a popularity evaluation unit evaluated by the popularity evaluation unit, and an output unit that sequentially outputs the facility information of the facility.
  • a facility database storing facility information is searched for a facility, and a search is performed using a search site prepared on the network using the facility information of the searched facility as a search key. Because the popularity of facilities is evaluated based on the number of hits in this search, and the facility information is output in order of the facility information of the most popular facilities, the number of hits on the Internet is high. If it is considered to represent a high price, facilities searched from the facility database without using a special server or the like as in the past are popular. It becomes possible to output in order according to the degree. Therefore, it is possible to search for a desired facility easily and quickly despite the low cost configuration.
  • FIG. 1 is a block diagram showing a configuration of a facility search apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 is a block diagram showing a functional configuration of a control unit included in the facility search device according to Embodiment 1 of the present invention.
  • FIG. 3 is a diagram for explaining a search key used in the facility search apparatus according to Embodiment 1 of the present invention.
  • FIG. 4 is a diagram for explaining a search site used in the facility search apparatus according to Embodiment 1 of the present invention.
  • FIG. 5 is a diagram for explaining a facility-related URL used in the facility search device according to Embodiment 1 of the present invention.
  • FIG. 6 is a diagram for explaining data including a score, which is stored in a popularity degree storage unit in the facility search device according to Embodiment 1 of the present invention.
  • FIG. 7 is a diagram showing a display example of search results in the facility search device according to Embodiment 1 of the present invention.
  • FIG. 8 is a flowchart showing the operation of the facility search apparatus according to Embodiment 1 of the present invention.
  • FIG. 9 is a flowchart showing details of the popularity rating process performed in step ST 13 of FIG. 8.
  • FIG. 10 is a diagram showing a configuration of a car navigation system according to Embodiment 2 of the present invention.
  • FIG. 11 is a diagram showing a configuration of a car navigation system according to Embodiment 3 of the present invention.
  • FIG. 1 is a block diagram showing the configuration of the facility search apparatus according to Embodiment 1 of the present invention.
  • This facility search device is composed of a control unit 1, an input device 2, a facility database 3, a knock-up memory 4, a display 5 and a communication device 6.
  • This facility search device has an access function to the Internet 7.
  • the Internet 7 corresponds to the network of the present invention.
  • the control unit 1 is also configured with, for example, a microcomputer force, and controls the entire facility search apparatus. The configuration and operation of the control unit 1 will be described in detail later.
  • the input device 2 includes, for example, operation buttons, a touch panel, a remote controller, a voice input device (voice recognition device), and the like. Used to specify search sites. Data input from the input device 2 is sent to the control unit 1.
  • the facility database 3 is constructed on a storage medium such as an HDD (Hard Disk Drive), a CD (Compact Disc), or a DVD (Digital Versatile Disc), for example. Memorize and display facility information.
  • the facility information includes, for example, data representing the facility name, telephone number, address, location, genre, and the like.
  • the facility information stored in the facility database 3 is read out by the control unit 1.
  • the knock-up memory 4 is composed of a nonvolatile memory or a volatile memory that is backed up by a power source, and includes a popularity degree storage unit 4a and a URL storage unit 4b (see FIG. 2).
  • the popularity storage unit 4a stores a score representing the popularity of the facility.
  • the URL storage unit 4b stores, as facility-related URLs, the URLs of the top several items, for example, five sites, obtained when the force control unit 1, which will be described in detail later, performs a search on the Internet 7, for example.
  • the popularity storage unit 4 a and the URL storage unit 4 b are read Z-written by the control unit 1.
  • the display 5 is constituted by, for example, a liquid crystal display device or a CRT display device, and corresponds to a part of the display unit of the present invention.
  • the display 5 displays various information, for example, searched according to display data sent from the control unit 1. Displays facility information.
  • the communication device 6 controls the facility search device to connect to the Internet 7 and access a site on the Internet 7.
  • FIG. 2 is a block diagram showing a functional configuration of the control unit 1.
  • the control unit 1 includes a facility search unit 11, a search key selection unit 12, a search site designation unit 13, a network search unit 14, a popularity rating unit 15, and an output unit 16.
  • the facility search unit 11 searches the facility database for facilities existing around the point specified by the input device 2.
  • the facility information of the facility searched by the facility search unit 11 is sent to the search key selection unit 12 and the popularity rating unit 15.
  • the search key selection unit 12 serves as a “search key” for performing a search on the Internet 7 from the facility information of the facility searched by the facility search unit 11 in accordance with an instruction from the input device 2. Select the information to use. As shown in Fig. 3, there are four types of search keys: “facility name only”, “facility name + phone number”, “facility name + genre”, and “facility name + phone number + genre”. Yes. Note that the search key can be used in combination with the above-mentioned combination, and the address of the facility, the location, the URL of the website, the facility existing in the vicinity, etc. can be used alone or in combination.
  • the search key selected by the search key selection unit 12 is sent to the network search unit 14.
  • the search site designating unit 13 designates a “search site” on the Internet used for the search in accordance with an instruction from the input device 2.
  • a search site on the Internet for example, as shown in FIG. 4, a plurality of search sites are prepared in advance, and the user designates a desired search site used for the search from the input device 2.
  • the search site designating unit 13 sends a URL indicating the search site designated from the input device 2 to the network search unit 14.
  • the URL column indicates the URL of the search site.
  • the total number of key words column shows the information that can be obtained at each search site.
  • the black triangle indicates the search key, and the black circle indicates the number of searched items.
  • the network search unit 14 accesses the Internet 7 via the communication device 6 to search the search key sent from the search key selection unit 12 on the search site specified by the search site specifying unit 13. Search for sites that contain.
  • the number of hit sites (the number of hits) is sent to the popularity rating section 15.
  • the network search unit 14 stores the URLs of the top five sites among the hit sites in the URL storage unit 4b as facility-related URLs. For example, as shown in FIG. 5, among the URLs obtained by searching with the search key “antique 'del' ponte”, the top five URLs are stored in the URL storage unit 4b.
  • the URL stored in the URL storage unit 4b is displayed on the display 5 when the user performs a predetermined operation. Therefore, the user can know the details of the facility by accessing the site displayed on the display 5 in order to know the details of the facility.
  • the popularity evaluation unit 15 evaluates the popularity of the facility sent from the facility search unit 11 based on the number of hits sent from the network search unit 14. Specifically, the number of hits sent to the network search unit 14 is sent to the output unit 16 as a score and stored in the popularity storage unit 4a.
  • FIG. 6 is a diagram showing an example of data stored in the popularity degree storage unit 4a. For each facility name, a score and an execution date are stored for each search key.
  • the output unit 16 corresponds to a part of the display unit of the present invention, and the facility information capabilities of the facilities with high popularity evaluated by the popularity rating unit 15 are also ordered in order, that is, in descending order of scores.
  • the facility information is sorted and sent to display 5.
  • the facility direction, the distance to the facility, the name of the facility, and the score are sorted and displayed on the display 5 in order of the facility power with the highest score.
  • a peripheral facility search process for searching for facilities existing around a certain point (for example, within 1 to several kilometers) will be described with reference to the flowchart shown in FIG.
  • a peripheral search is executed (step ST11). That is, the facility search unit 11 in the control unit 1 searches the facility database 3 for facilities existing around the point specified by the input device 2. The facility information obtained by this search is sent to the search key selection unit 12 and the popularity evaluation unit 15.
  • step ST12 the search key selection unit 12 Take out one of the facility information of the facility searched by the facility search unit 11, select the search key used when searching the Internet 7 according to the instruction from the input device 2, and enter the network search unit 14 send.
  • step ST13 the popularity evaluation process for the facility information acquired in step ST12 is executed (step ST13).
  • the popularity evaluation unit 15 acquires a score representing the popularity of the facility having the facility information.
  • a score representing the evaluation result of the popularity obtained in step ST13 is stored (step ST14).
  • the popularity rating unit 15 associates the score with the facility information, stores it in the popularity storage unit 4a, and sends it to the output unit 16.
  • step ST15 whether or not the processing for all facilities obtained by the search in step ST11 is completed is checked. If it is determined in step ST15 that the processing for all facilities has not been completed, the facility information of the next facility is retrieved (step ST16). Thereafter, the sequence proceeds to step ST13, and the above-described processing is repeated.
  • step ST15 When it is determined in step ST15 that the processing for all facilities has been completed, the facility information is sorted in the order of the scores of popularity ratings obtained by the repeated processing of steps ST13 to ST15 (step ST17). ). That is, the output unit 16 sorts the facility information so that the scores are in descending order and sends them to the display 5. Next, the sorted search results are displayed in a list (step ST18). That is, the facility information sorted in step ST17 is displayed as a list on the display 5 in a format as shown in FIG. 7, for example. Thus, the peripheral facility search process is completed.
  • step ST13 details of the popularity evaluation process performed in step ST13 will be described with reference to the flowchart shown in FIG.
  • the popularity evaluation process first, it is checked whether or not the score of the facility having the facility information acquired in step ST12 or ST16 is backed up (step ST21). That is, the popularity rating unit 15 checks whether or not the score of the same facility as the facility currently being processed is stored in the popularity storage unit 4a of the backup memory 4.
  • step ST27 If it is determined in step ST21 that backup has been performed, It is checked whether or not the previous evaluation was conducted within 6 months (step ST27).
  • the popularity rating unit 15 obtains the implementation date from the data stored in the popularity storage unit 4a, and the date / time capability of the implementation date 6 months from the current time obtained by the clock mechanism (not shown). Check if it is within. If it is determined in this step ST27 that it is within 6 months, the knocked-up data is recognized as being relatively new, and the score is used as the facility score (step ST28). Thereafter, the popularity evaluation process ends, and the process returns to the peripheral facility search process (Fig. 8).
  • step ST21 If it is determined in step ST21 that! / Has been knocked up! /, Na! /, And in step ST27, the previous evaluation time is not within 6 months. If it is determined, the sequence proceeds to step ST22 and a new score calculation process is performed. That is, a search is executed on the Internet 7 using the facility information as a search key (step ST22). That is, the network search unit 14 accesses the Internet 7 via the communication device 6, so that the search key sent from the search key selection unit 12 on the search site specified by the search site specifying unit 13. Perform a search using. More specifically, the network search unit 14 embeds a search key in the search site URL set in the search site specifying unit 13 from a plurality of search sites as shown in FIG. Search the Internet 7 by sending a Hyper Text Transfer Protocol) request.
  • a search is executed on the Internet 7 using the facility information as a search key (step ST22). That is, the network search unit 14 accesses the Internet 7 via the communication device 6, so that the search key sent from the search
  • the number of hits is extracted from the search result power (step ST23).
  • the network search unit 14 searches all keywords for each search site shown in FIG. 4 from HTML (Hyper Text Markup Language) information obtained by searching the Internet 7, and sends the search key sent. Extract the total number of hits for.
  • the top five URLs obtained as search results are stored (step ST24). That is, the network search unit 14 extracts the top five URLs obtained as search results and stores them in the URL storage unit 4b as facility-related URLs.
  • step ST25 the number of search hits extracted in step ST23 is used as a score (step ST25). Thereafter, the score is backed up (step ST26). That is, the popularity rating unit 15 stores the score obtained in step ST26 in the popularity storage unit 4a of the backup memory 4. Remember. This completes the popularity assessment process and returns to the peripheral facility search process ( Figure 8).
  • a facility is searched from the facility database 3 storing facility information, and the facility information of the searched facility is searched.
  • Search using a search site provided on the Internet 7 ! evaluate the popularity of facilities based on the number of hits in this search, and output the facility information power of the facility in order Because it is structured as described above, considering that the high number of hits on the Internet 7 indicates high popularity, it is possible to search from the facility database 3 without using a special server as in the past. It is possible to output the ordered facilities according to their popularity. Therefore, it is possible to search for a desired facility easily and quickly despite the low cost configuration. Since the Internet 7 is used to evaluate the popularity, real-time evaluation is possible to some extent.
  • the search is performed using a search site on the Internet 7 designated by the user, so that the user can search for a favorite. Allows you to use search results on your site
  • the facility database is selected from the facility information of the searched facility, and information to be used as a search key is selected, and the selected information is used as a search key to perform a search using a search site on the network. Since it is configured to do so, it becomes possible to tune the criteria for popularity ratings. For example, “facility name + phone number” can be specified more strictly as a search key than “facility name” alone.
  • the URL of the site hit by the search in the network search unit is configured to be stored in the URL storage unit 4b as a facility-related URL, for example, as shown in FIG. 5, the user can store the URL.
  • the page of the site related to the desired facility can be displayed.
  • the user can easily confirm the detailed information of the desired facility. In this way, by making it possible to easily browse a typical page, it is possible to know in detail what kind of evaluation the facility is receiving, and the convenience for the user is improved.
  • the popularity of the facility is stored in the popularity storage unit 4a, and the popularity stored in the popularity storage unit 4a is stored in the next facility.
  • the frequency of access to the Internet 7 can be reduced. As a result, communication costs can be reduced and search time can be shortened.
  • the power described in the example of evaluating each facility obtained when searching for a facility around a certain point is not necessarily a search around the point. It can also be used as an evaluation method for facilities obtained as a result of various facility searches using Nagu region, genre, name, etc.
  • the facility search device includes various functions having an access function to the Internet such as a car navigation device, a mobile phone, a PDA (Personal Digital Assistant), and a personal computer. Can be applied to devices
  • FIG. 10 is a diagram showing a configuration of a car navigation system according to Embodiment 2 of the present invention.
  • This car navigation system is composed of a server 100 and a car navigation device 200!
  • Server 100 has the same configuration as the facility search apparatus according to Embodiment 1 shown in FIG.
  • the operation of the server 100 is the same as that of the facility search apparatus according to Embodiment 1 except for the following points. That is, the server 100 acquires and holds the popularity for the facility information of all the facilities held by itself, and sends it from the car navigation device 200 via the Internet 7.
  • the facility information sorted in descending order is sent to the car navigation device 200 via the communication device 6 and the Internet 7.
  • the communication device 6 corresponds to the transmission unit of the present invention.
  • the car navigation device 200 includes a communication device 201.
  • the facility information is specified by specifying a point to be searched for to the server 100 via the communication device 201 and the Internet 7. Request information acquisition.
  • Communication device 201 corresponds to the receiving unit of the present invention.
  • the car navigation device 200 receives the facility information sent from the server 100 via the Internet 7 and sorted in descending order of score, and is shown in the figure. Not displayed on the monitor. This monitor corresponds to the display unit of the present invention.
  • the server 100 searches the Internet 7 for the facility information of all facilities held by itself.
  • the popularity level is acquired in advance, and the car navigation device 200 can acquire and display the facility information with the popularity level added from the server 100 via the Internet 7. Therefore, in the car navigation device 200, it is possible to perform a facility search in consideration of the degree of popularity in spite of the simple configuration.
  • FIG. 11 is a diagram showing the configuration of the car navigation system according to Embodiment 3 of the present invention.
  • This car navigation system is composed of a personal computer 300 and a car navigation device 200.
  • the personal computer 300 is configured by adding the storage medium access device 8 to the facility search device according to Embodiment 1 shown in FIG.
  • the storage medium access device 8 corresponds to the storage medium writing unit of the present invention, and the facility information sent from the control unit 1 and sorted in descending order of scores is attached to the storage medium access device 8.
  • the storage medium 400 is composed of, for example, a CD-ROM or a semiconductor memory.
  • the car navigation device 200 includes a storage medium access device 202.
  • the storage medium access device 202 corresponds to the storage medium reading unit of the present invention.
  • the car navigation apparatus 200 reads the facility information sorted so that the scores are in descending order from the storage medium 400 attached to the storage medium access apparatus 202, and displays it on the monitor. This monitor corresponds to the display unit of the present invention.
  • the personal computer 300 searches the Internet 7 to search for facility information of all facilities held by itself.
  • the car navigation device 200 can acquire the facility information with the popularity added from the storage medium 400 and display it. Therefore, in the car navigation device 200, it is possible to perform a facility search in consideration of the degree of popularity in spite of the simple configuration.
  • the facility search apparatus performs a search using a search site on the network based on the facility information searched from the facility database, and determines the popularity based on the number of hits in this search.
  • the system By configuring the system to output the facility information of facilities with a high degree of popularity in order of evaluation, it is possible to easily and quickly search for a desired facility despite its low-cost configuration.
  • Suitable for use in various terminals eg, mobile phones, PDAs (Personal Digital Assistants), personal computers that have access to the Internet. .

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)
  • Instructional Devices (AREA)

Abstract

L'invention concerne un dispositif de recherche d'installations présentant une base de données d'installations (3) pour stocker des informations d'installations, une section de recherche d'installation (11) pour rechercher une installation à partir de la base de données d'installations, une section de recherche de réseau (14) pour réaliser une recherche à l'aide d'un site de recherche préparé sur un réseau en utilisant des informations sur l'installation recherchée par la section de recherche d'installation comme clé de recherche, une section d'évaluation de cote de popularité (15) pour évaluer, sur la base du nombre de réponses pertinentes dans la recherche par la section de recherche de réseau, la cote de popularité de l'installation recherchée par la section de recherche d'installation, et une section de sortie (16) pour sortir, dans l'ordre de la cote de popularité en commençant par la plus élevée, les informations d'installation évaluées par la section d'évaluation de cote de popularité.
PCT/JP2007/053422 2006-05-11 2007-02-23 dispositif de recherche d'installations et systÈme de navigation automobile utilisant celui-ci WO2007132578A1 (fr)

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JP2006132862A JP2009175775A (ja) 2006-05-11 2006-05-11 施設検索装置およびこれを用いたカーナビゲーションシステム
JP2006-132862 2006-05-11

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JP2009264762A (ja) * 2008-04-22 2009-11-12 Yahoo Japan Corp ルートに関連付けられたコンテンツを自動的に選択する方法、装置及びプログラム
EP3037783A1 (fr) 2014-12-23 2016-06-29 Alpine Electronics, Inc. Appareil de traitement d'informations, en particulier système de navigation et procédé de traitement d'informations

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JP5762160B2 (ja) 2011-06-15 2015-08-12 アイシン・エィ・ダブリュ株式会社 案内情報生成装置、案内情報生成方法および案内情報生成プログラム
JP2013152500A (ja) * 2012-01-24 2013-08-08 Pioneer Electronic Corp ナビゲーションシステム、情報処理装置、情報処理サーバ、ナビゲーション方法、及びナビゲーションプログラム
JP5778642B2 (ja) * 2012-09-10 2015-09-16 日本電信電話株式会社 有名スポット判別装置、有名スポット判別方法及び有名スポット判別プログラム
JP6419100B2 (ja) 2016-03-16 2018-11-07 株式会社トヨタマップマスター ナビゲーションシステム、ｐｏｉ提示方法、ｐｏｉ提示プログラム、記録媒体
JP6982804B2 (ja) * 2018-02-26 2021-12-17 トヨタ自動車株式会社 情報提供システム、車両及び情報提供装置

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JP2006079454A (ja) * 2004-09-10 2006-03-23 Fujitsu Ltd 検索キーワード分析方法、検索キーワード分析プログラムおよび検索キーワード分析装置

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JP2000136936A (ja) * 1998-11-02 2000-05-16 Denso Corp ナビゲーション装置
JP2003016308A (ja) * 2001-06-28 2003-01-17 Tadashi Goino 品物査定方法、品物検索方法、品物査定機能付き販売方法及び品物査定システム
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JP2003228576A (ja) * 2002-02-06 2003-08-15 Fujitsu Ltd インターネット検索支援装置及び方法、並びに当該方法を用いたインターネット検索支援プログラム
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009264762A (ja) * 2008-04-22 2009-11-12 Yahoo Japan Corp ルートに関連付けられたコンテンツを自動的に選択する方法、装置及びプログラム
EP3037783A1 (fr) 2014-12-23 2016-06-29 Alpine Electronics, Inc. Appareil de traitement d'informations, en particulier système de navigation et procédé de traitement d'informations

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