JP7058040B2 - Route guidance device and method - Google Patents

Description

The present invention relates to a proposed technique for proposing a theme content to a user, and in particular, makes it possible to present a feasible theme content to the user while moving.

A service of searching content information in the surrounding area based on the current position information of a moving body (moving person) has been put into practical use. For example, in a mobile application that uses car navigation or location information, a list of search results for restaurants and tourist spots close to the current location is displayed, and detailed information of the target selected by the user and route information to that location are displayed. (Route information, route information) is provided.

Services such as sending notification information when approaching a location set by the user have also been put into practical use.

In addition, route search services such as car navigation manage attribute information such as the position and place name for branch points such as intersections, and when a moving object enters a certain distance in the direction of travel of the route, the information is managed. It is common practice to display information.

Here, consider a case where the route search service is set to go from point A to point C via point B for the purpose of "wanting to see a beautiful view" (Fig. 1). When I entered the area of point B, it was lunch time instead of going to points B and C as it was, so when I thought "I want to eat a delicious lunch" nearby, the conventional method is It is necessary for the user to perform a search process to search for a "delicious restaurant" at point B by himself. Also, at this time, even if there is a "delicious shop" at point D before coming from point A to point B, if you go to point B without noticing it and go to the "delicious shop" at point D, There was a problem such as a time loss such as turning back the road that had just arrived to point D (Fig. 2). In addition, since the destination is changed, it is necessary to reset the setting in order to go to the C point, which is complicated.

As the prior art document related to this invention, there is Japanese Patent Application Laid-Open No. 2018-004461. This prior art document discloses that it appropriately searches for facilities that are easy to stop by based on the amount of deviation from the guide route.

It should be noted that the present invention should not be understood in a limited manner due to the above-mentioned problems, and the contents thereof are defined in the scope of claims and will be described in detail below with reference to examples.

Japanese Unexamined Patent Publication No. 2018-004461

When guiding the movement of the user, it is desired to present the feasible theme content to the user in the middle of the route so that the desired theme content can be efficiently realized.

According to the present invention, in order to achieve the above-mentioned object, the configuration as described in the claims is adopted. Here, prior to explaining the invention in detail, the description of the scope of claims will be supplementarily explained.

According to one aspect of the present invention, in order to achieve the above-mentioned object, the route guidance device is: a position information determining means for determining position information; and a region definition holding means for holding one or more region definitions; the above. A theme information holding means for holding one or more realization target themes assigned to each of the at least one area definition with respect to at least one area definition of one or a plurality of area definitions; the above-mentioned location information. When the position information determined by the determination means is associated with any one of the above-mentioned at least one area definitions, the area definition determination means for determining the area definition to which the position information is associated; and the determination of the above-mentioned area definition determination means. In response to the result, with reference to the theme information holding means, the theme presenting means for presenting at least one of the realization target themes assigned to the area definition to which the location information is associated; With theme selection means to select the realization target theme presented by; Search target association data holding means to hold search target association data that associates tag information with the search target; When the presented realization target theme is selected. A search means that searches for the search target by referring to the search target association data holding means using the tag information assigned to the realization target theme as a search key; and a search result that presents the search results of the search means. It is configured to include a presentation means; a search result selection means for selecting a search result presented by the search result presentation means; and a route determination means for determining a route to a search target selected by the search result selection means. ing.

The position information determining means is typically a GPS (Global Positioning System) device, and a device for measuring a mileage may be used in a holding manner. The position information determining means typically determines the position information of the actually measured moving object (user, vehicle, mobile communication terminal, etc.), but virtually determines the position on the map. It may be something to do.

The theme to be realized (purpose theme) may be abstract content that appears in sentences such as "I want to see a beautiful view" and "I want to eat a delicious lunch", but even if it is a concrete thing or event. good. It may be a simple keyword.

The area definition defines a block of areas on the map, and the block of areas may be discontinuously arranged areas.

The area definition determining means typically determines whether the position information determined by the position information determining means is included in the range of the area definition or its vicinity.

In this configuration, when the location information is associated with the region definition, typically when it is determined based on the location information that the moving object is contained within or near the region definition, the region is concerned. Present the theme given to the definition, and when the theme is selected, make it possible to recognize the related search target using the tag information given to the theme, so that the related search target can be the destination or Route guidance can be provided as a stopover (optional) to efficiently realize the theme.

In this configuration, the route guidance device further has an initial theme selection means for selecting an initial theme, and the search means uses the tag information given to the initial theme as a search key for the search target. The search is performed and the initial search result is output, the search result presenting means presents the initial search result, the theme selection means selects the initial search result, and the route determining means is from the initial search result. The route to the selected selection target may be determined.

Further, the search target association data may be a metaword given to the search target.

Further, the tag information given to the realization target theme may include a plurality of metawords.

Further, the tag information given to the realization target theme may include a plurality of metawords and their respective weight coefficients.

Further, the area definition may consist of one or a plurality of mesh definitions of map data.

Further, the search means may perform a search within the range defined in the mesh definition included in the area definition to which the position information is associated.

Further, the range defined by the mesh definition of the search target may include the extension area of the area definition.

According to another aspect of the present invention, in order to achieve the above-mentioned object, the search device is: a position information determining means for determining position information; and a region definition holding means for holding one or more area definitions; the above. A theme information holding means for holding one or more realization target themes assigned to each of the at least one area definition with respect to at least one area definition of one or a plurality of area definitions; the above-mentioned location information. When the position information determined by the determination means is associated with any one of the above-mentioned at least one area definitions, the area definition determination means for determining the area definition to which the position information is associated; and the tag information is associated with the search target. With the search target association data holding means that holds the search target association data; in response to the discrimination result of the area definition determining means, the above theme information holding means is referred to, and the above location information is given to the associated area definition. A search means that searches for the search target by referring to the search target association data holding means using the tag information attached to at least one of the realized target themes as a search key; and a search of the search means. It is configured to include a search result presenting means for presenting the result.

In this configuration, when the location information is associated with the region definition, typically when it is determined based on the location information that the moving object is contained within or near the region definition, the region is concerned. The theme given to the definition is presented, and when the theme is selected, the related search target can be recognized by using the tag information given to the theme, so that the theme can be realized efficiently.

In this configuration, at least a part of the search target may be given location information. Route guidance may be performed using this position information.

Further, the search target may be audiovisual target content. For example, the service content provided to the user regarding the selected theme is not limited to the presentation of destination candidates and waypoint candidates, but includes information such as music, images, videos, and detailed information related to the current time and destination. May be supplied.

According to another aspect of the invention, in order to achieve the above object, the search device is: a search input means for supplying search input; and a keyword associating one or more keywords with respect to a search target to which location information is assigned. Keyword association data storage means for storing association data; position information determination means for determining the position information of a moving object; area definition storage means for storing one or more area definitions; the above one or more area definitions and With the association determination means for determining whether the moving object is associated with any one of the one or the plurality of area definitions based on the position information; in response to the determination result of the association determination means, among the search targets. , The search means for searching the search target including the position information associated with the association determination means or the position information limited by the area information by referring to the keyword association data based on the search input. When,
It is configured to include a search result presenting means for presenting the search results of the above search means.

In this configuration, when the location information is associated with the region definition, typically when it is determined based on the location information that the moving object is contained within or near the region definition, the region is concerned. The search target can be searched by the search input within the range determined based on the definition, and the desired search target can be efficiently recognized. The search input may be assigned to the area definition or may be input by the user.

Even in this configuration, at least a part of the search target may be given location information. Route guidance may be performed using this position information.

Further, even in this configuration, the search target may be audiovisual target content. For example, the service content provided to the user regarding the selected theme is not limited to the presentation of destination candidates and waypoint candidates, but includes information such as music, images, videos, and detailed information related to the current time and destination. May be supplied.

It should be noted that the present invention can be realized not only as an apparatus or a system but also as a method. Of course, a part of such an invention can be configured as software. It is also natural that software products (computer programs) used to execute such software on a computer are also included in the technical scope of the present invention.

The above-mentioned aspects and other aspects of the present invention are described in the claims and will be described in detail below with reference to Examples and the like.

According to the present invention, typically, when guiding a user to move so as to realize the theme content, the feasible theme content is presented to the user in the middle of the route, and the theme content is efficiently and desired. Although it is possible to realize the content of the theme, the content is not limited to this, and the content is as described in the claims.

It is a figure explaining the mode of changing the theme during route guidance. It is a figure explaining the trouble by the conventional route guidance. It is a block diagram explaining the structural example of the Example of this invention. It is a figure explaining the area block of the component of an area group. It is a figure explaining the relationship between an area block and an area group. It is a figure explaining the information given to the area group. It is a figure explaining the example of the area group and the example of the tag information addition range. It is a figure explaining the information given to a target theme. It is a figure explaining the example of the information of a target theme. It is a figure explaining the example of the point information. It is a figure explaining an example of event information. It is a flowchart explaining the route guidance operation example of an Example. It is a figure explaining the operation example when a new theme is proposed during the route guidance operation of an Example. It is a figure explaining the operation example after the route guidance based on a new theme is completed. It is a figure explaining another operation example after the route guidance based on a new theme is completed. It is a figure explaining the configuration example of the mobile terminal for realizing the Example. It is a figure explaining an idiom metaword which describes a theme. It is a figure explaining the tag information given to a search target, and the information given to an idiom metaword. It is a figure explaining an example of an idiom metaword. It is a block diagram which shows the configuration example of the search apparatus of another Example. It is a block diagram which shows the configuration example of the search apparatus of another Example.

Hereinafter, the route guidance device (also referred to as a navigation device) according to the embodiment of the present invention will be described.

FIG. 3 shows a specific configuration example of the route guidance device 100 of the embodiment. In this figure, the route guidance device 100 includes a position information determination unit 10, an area definition determination unit 20, a theme presentation unit 30, and a theme. It includes a selection unit 31, a search unit 40, a search result presentation unit 50, a search result selection unit 51, a route determination unit 60, a route display unit 70, a destination recommendation database 80, and the like. The move destination recommendation database 80 holds an area definition 81, theme information 82, and search target association data (move destination candidate association data) 83 for each area (area group). The route guidance device 100 is typically configured using one or more computer resources (computer systems). The route guidance device 100 is realized, for example, by installing a computer program recorded on the recording medium 111 or a computer program transmitted via a communication network (not shown) in the computer system 110. The computer system 110 includes a CPU, a main memory, a bus, an external memory, various input / output interfaces, and the like, and may be a personal computer, a smartphone, an information home appliance, or the like. A configuration example of the smartphone will be described later with reference to FIG. The destination recommendation database is not limited to the presentation of destination candidates such as destination candidates and waypoint candidates, and separately or in addition to this, music, images, videos related to the current time and destination, etc. Information such as detailed information may be recommended.

The route guidance device 100 is typically an in-vehicle car navigation system or a mobile terminal application, but is not limited thereto. The route guidance device 100 recommends a destination (destination, waypoint) depending on an area (area group), and provides route guidance accordingly.

Although the position information determination unit 10 is typically a GPS device, it may acquire position information (for example, PHS position information) from a mobile station of mobile communication, and measures the movement distance of a moving body, for example, a vehicle. You can use it as a supplement. The movement information may be actual position information or virtual position information. You can simulate route guidance using virtual location information.

The area definition determination unit 20 refers to the position information from the position information determination unit 10 and the area definition (area group definition) 81 of the destination recommendation database 80, and typically the position information is the area. Determine if it conflicts with the definition. It may be determined whether the position information conflicts with the definition of the area or the definition of the surrounding area. When the position information collides with an arbitrary area definition (or a definition of a peripheral area thereof), the area definition determination unit 20 specifies the area definition.

The area definition 81 is described using one or a plurality of adjacent area blocks. In this example, regional mesh data defined as a latitude and longitude grid on the map is defined in order to digitize the information on the map and to obtain various statistical information. The mesh specifications may use the information defined by the Ministry of Land, Infrastructure, Transport and Tourism, or may be defined by the service itself. Here, the mesh information on this map is expressed as the area mesh shown in FIG. 4, and the minimum mesh range is used as the area block.

The area definition 81 is defined as an area group, and this area group is a collection of one or a plurality of adjacent area blocks. FIG. 5 describes an example of an area group. In the example of FIG. 5, AG1 is a set of (b1), AG2 is a set of (b3, b4, c4), AG3 is a set of (e1, e2), and AG4 is (). It is defined as a set of e6, d6). The area block belonging to the area group may belong to another area group in duplicate. For example, by periodically acquiring the GPS information of the moving body, the area block in which the moving body is currently located is specified. When the current area block belongs to the area group, the moving body can refer to the theme information 82 of the corresponding area group, the search target association data 83, and the like.

In this embodiment, the area definition 81, the theme information 82, and the search target association data 83 for each area group are managed as the area group information and the target theme information described below for each area group. Not limited to. The identifier of the target theme may be held for each area group, and the target theme information may be displayed from the target theme database based on this. Further, the search target identifier may be held for each area group, and the search target association data for each search target may be retrieved from the search target database based on this.

The destination recommendation database 80 holds the following information in association with each of the area groups (FIG. 6).
(1) Area group ID, area group name (2) Area block ID belonging to the area group
(3) Tag information given to the entire area group Examples: Yokohama Bayside Area, Standard, Sightseeing Spots, Sophisticated, ...
(4) Tag information by category associated with the area group Example:
<Eat_drink> category (gourmet information): local, family, at home, commitment <see> category (sightseeing information): scenery, samurai residence, museum, majestic, open feeling <buy> category (shopping information): fresh, Local products, vegetables <Regional events> Category: Flea market, animals, rabbits, contact You may keep the point information and event information associated with the area group.
Examples of location information and event information are as follows.
<Tourist Information> Category "Red Brick Warehouse": Retro, Fashionable, Playing, Suitable for Dates, ...
"Yamashita Park": View to the sea, fit for a date, walk, romantic, ...,
<Gourmand information> Category "Chinatown": Chinese food, delicious, enjoyable, fullness, souvenirs, ...
<Shopping information> Category "Queen's Square": Sophisticated, varied, urban, ...
<Regional event information> Category "Yokohama Avenue 2020": Interesting, fun, unique, lively, smiling, ...
"Motomachi Charming Sale": Branded goods, fashion, deals, petit luxury, ...
(5) Selection list of target themes starting from the location of the area group

The area definition 81 includes, but is not limited to, (1) an area group ID, an area group name, and (2) an area block ID belonging to the area group.

The theme information 82 includes, but is not limited to, (5) a selection list of target themes starting from the location of the area group. The target theme selection list includes the target theme as its element, which will be described later. The selection list may be a list of IDs of the target theme, and information on the target theme included in the selection list may be acquired based on the ID of the target theme. The objective theme may include tag information consisting of weighted metawords as described below, with one or more desired objectives based on score matching between the objective theme tag information and the area group category tag information. The theme may be associated with an area group and determined as an element of the selection list. The target theme that is an element of the target theme selection list may be determined using the tag information of the entire area group.

The search target association data 83 includes, but is not limited to, the tag information of the associated point information and the event information of the area group described in relation to the item (4). The tag information is, but is not limited to, a weighted metaword of importance associated with the search target, eg, "Red Brick Warehouse". In the previous example (4), weighting is not shown.

The tag information given to the entire area group of the item (3) is a weighted meter word, but is not limited to this. Using the tag information given to the entire area group, it is possible to select an area group that matches the desired search input. Using the tag information assigned to each category of the area group, it is possible to similarly select the area group that matches the desired search input.

In this example, the tag information of the items (3) and (4) given to the area group is from the point information and the event information (also referred to as a search target) around the area group as shown in FIG. Derived. That is, FIG. 7B shows an example of the range of point information / event information to be used for the area group of FIG. 7A. In this example, a certain ratio of adjacent area blocks of an area group is included, but the method is not limited to this method, and a plurality of adjacent blocks are included or constant from the position of the center of gravity of the area group. Point information in the range of distance and event information may be included. Also, the breadth of the range may differ between urban areas and non-urban areas. The range of the location information / event information to be searched may also be defined by FIG. 7 (B).

The tag information given to the entire area group of the item (3) is the tag information given to each of the point information and the event information included in the range shown in FIG. 7 (B), and similar words are identified by name. It is a merged event, and the score value indicates the importance of the word (tag information) (the larger the value, the greater the importance). The tag information for each category associated with the area group of the item (4) is the tag information given to each of the point information and the event information included in the range shown in FIG. 7 (B), and similar words for each category. It is merged by name identification, etc., and the score value indicates the importance of the word (tag information) (the larger the value, the greater the importance).

As an example, the tag information for each category given to the area group AG2 in FIG. 5 is as follows.
<Eat_Drink> Category Local: 0.32, Family: 0.24, At Home: 0.21, Commitment: 0.10
<Enjoy> Category Strawberry picking: 0.27, Strawberry: 0.22, Ice cream: 0.21, Sweet: 0.17
<View> Category Superb view: 0.37, Samurai residence: 0.26, Museum: 0.19, Majestic: 0.12, Openness: 0.08
<Buy> Category Fresh: 0.44, Local production: 0.39, Vegetables: 0.15
<Regional events> Category Flea market: 0.31, Animals: 0.30, Rabbits: 0.27, Contact: 0.16

The target theme assigned to each area group is limited to the one with a high matching score with the tag information attached to each target theme for the tag information for each category associated with the area group. Not done.

An example of a target theme is as follows.
I want to see a superb view, I want to see the sunset, I want to go to a hot spring, I want to take a break, I want to touch the history, I want to visit, I want to go to a hidden famous restaurant, I want to go to a quiet place, I want to buy a souvenir to take a forest bath, in a shopping mall I want to go, I want to eat, I want to eat local food, I want to eat Italian, ...

Each objective theme contains the following information (Fig. 8).
(1) Objective theme ID, Objective theme name (2) Objective theme category (buy, eat, see, enjoy ...)
(3) Introductory text for the target theme (4) Tag information of the target theme (5) Number of goal achievement points (1 to N) (For example, if you eat, you can achieve the purpose if you go to one place)
(6) Selection condition of target theme Area block ID immediately before entering the area group
Real-time information such as season, time zone, weather, etc. Information on the currently set appeal theme

Although the above-mentioned target theme information may be included in the target theme selection list of the area group, the target theme information is managed as a database, and only the target theme ID is retained in the target theme selection list of the area group. Then, the database may be searched from this ID to acquire the information of the desired target theme.

The theme presentation unit 30 presents the selection list of the target theme of the area definition (area group) that collides with the position information to the user with reference to the theme information 82, based on the determination result of the area definition determination unit 20. The user can select a target theme from the selection list using the theme selection unit 31 or reject the selection. When the target theme is selected from the target theme selection list, the search unit 40 retrieves the tag information of the target theme and the point information / event information having a high degree of relevance even if the search target association data 83 is referred to, and the search result is obtained. The presentation unit 50 presents this search result. The user selects desired point information / event information as a destination / waypoint using the search result selection unit 51. The route determination unit 60 determines a route using the location information of the point information / event information selected for the destination / stopover. The route can be determined using an algorithm for solving the optimal path problem, such as Dijkstra's algorithm. That is, when there are a plurality of routes from a certain point to the destination and the cost differs depending on the route, the optimum route to the destination can be obtained. As the cost between points, in addition to information such as distance, congestion information and road width, a matching score for user appeal to the next destination is taken into consideration. Which one to select as the destination (selection destination) may also be determined from the cost of the route. The user can confirm the guidance route on the route display unit 70.

Next, an operation example of the proposal of the target theme will be described. For example, it is assumed that the group configuration example of the area group 2 in FIG. 13 is the area group AG2 in FIG. 7 (A). It is assumed that the area information (point information, event information) of FIGS. 10 and 11 is included in the information addition range (FIG. 7 (B)) of this area group. In that case, an example of tag information by category associated with the area group is shown below. These are merged of the tag information attached to each point by naming similar words for each category. The score value indicates the importance of the word (the larger the value, the greater the importance).
<Eat_Drink> Category Local: 0.32, Family: 0.24, At Home: 0.21, Commitment: 0.10
<Enjoy> Category Strawberry picking: 0.27, Strawberry: 0.22, Ice cream: 0.21, Sweet: 0.17
<View> Category Superb view: 0.37, Samurai residence: 0.26, Museum: 0.19, Majestic: 0.12, Openness: 0.08
<Buy> Category Fresh: 0.44, Local production: 0.39, Vegetables: 0.15
<Regional events> Category Flea market: 0.31, Animals: 0.30, Rabbits: 0.27, Contact: 0.16
Further, it is assumed that the target theme selection list included in the area group 2 of FIG. 13 is defined as shown in FIG.

Here, it is assumed that "I want to see a nice view" is selected as the setting of the target theme at the point A in FIG. 1, and as a result, the point A → the point B → the point C is selected as the route. In the route, the information included in the area group 2 is referred to at the timing when the moving body enters the area group 2 while moving from A to B. Since the target theme selection list is defined in the area group 2, a change proposal for the target theme is made. When the time of entering area group 2 is lunchtime such as 12:30, it is assumed that "I want to taste the local taste" and "I want to enjoy with my family" are selected as candidates for changing the purpose theme.

When these two are displayed and proposed to the user as a change of the purpose theme, and "I want to taste the local taste" is selected, the tag information from the area information of the category "eat_drink" of this purpose theme. One or several candidate points with a large matching score with "local: 0.52 commitment: 0.31 fresh: 0.25" defined as "local: 0.52 commitment: 0.31 fresh: 0.25" are presented and proposed to the user. If the user agrees with the proposal, a new purpose theme will be set and the route will be changed. Only limited ones may be selected from the point candidates.

In this example, since the number of goal achievement points of the target theme is 1, the target theme is completed when the destination is reached. In that case, propose a new theme including the previous target theme and ask the user to select the next route.

In the selection of the target theme candidate, a theme different from the current target theme category may be selected. In addition, the target theme that can be selected may be selected according to the current season, time zone, weather, and day of the week. Further, the matching word may be weighted from the preference information obtained from the past selection history of the user.

The point information extracted by matching with this information tag shall be selected from those in the same area group and those in a range of a certain distance from the current position. The search range may be changed for each category. For example, the search distance for "eat_drink" may be short, and the search distance for "see" may be long.

The point search process may be performed in real time, or may be periodically performed in advance by the back-end process to save the information.

Here, the information of the previous target theme may be inherited, a low score value may be added to the information tag of the new target theme, and the point candidate may be searched using it. Alternatively, when the new target theme is completed, the target point candidate may be searched again in the previous target theme and the route may be reset, or the new target theme may be proposed without inheriting the information. ..

Events branching from the guide route are processed as follows. The mesh information at a specific position is defined as a mesh area group. When it is detected that a new mesh area group has been entered due to the movement of the user, it is determined whether the branch event can be selected, and if it can be selected, it is the same as the previous selection timing. Notify the user that the branch can be selected after considering the time interval of. The notification may be screen, voice, or both. The timing of notifying the user can also be set in consideration of road information and operation status. If a target theme different from the currently selected target theme (idiom tag) is selected by the user's selection, a store or tourist spot that matches the target theme at that time is searched for and a route search is performed.

In this method, the basic function is to extract multiple points that match the target theme. In addition, the order of going to each point can be determined from the distance from the current location and the matching score between the target theme and each point. In the navigation system that has been put into practical use, in addition to setting the current location and destination, by setting the order of waypoints, it is possible to present and set a route that takes into consideration road information, traffic congestion information, and route distance. ..

When linking with an existing navigation service, by sending and setting the spot information determined above and the order to go to the navigation system, detailed route information can be obtained without changing the existing functions of car navigation. Can be done. Alternatively, by providing the navigation service side with the matching score of each point and the recommended time of each point, the user can be provided with more appropriate navigation information considering the importance of the point, the estimated arrival time and the recommended time. Can be provided.

FIG. 12 shows an operation example of the route guidance device 100 according to the embodiment of FIG. In the operation example of FIG. 12, the processing is as follows, but the processing is not limited to this.
[Step S10]: The route guidance device 100 is started to operate.
[Step S11]: Set the target theme. The initial theme can also be selected using the theme selection unit 31. Even if there is a branch event, the target theme can be selected via node B.
[Step S12]: Point information (FIG. 10) and event information are selected according to the selected target theme, route calculation is performed, and a guidance route is determined.
[Step S13]: Route guidance is started using the set guidance route.
[Step S14]: It is determined whether or not the destination has arrived, and if the destination has arrived, the process proceeds to step S19. If the destination has not arrived, the process proceeds to step S15.
[Step S15]: It is determined whether or not the moving object is associated with the area group. For example, this is determined when a moving object enters an area group. If the moving object is associated with the area group, the process proceeds to step S16, and if not, the process returns to step S14.
[Step S16]: It is determined whether or not the area group has a theme list. If there is a theme list, the process proceeds to step S17, and if not, the process returns to step S14.
[Step S17]: It is determined whether or not the user has selected the theme. When the user determines the theme, the process proceeds to step S18.
[Step S18]: The non-arrival route portion of the existing guide route is stored in the storage unit, the process proceeds to step S11 via the node B, and the theme is selected. The subsequent operation is as described above.
[Step S19]: If it is determined in step S14 that the destination has arrived, it is determined whether or not there is a preservation route, if there is a preservation route, the process proceeds to step S20, and if not, step S24. Proceed to and end the route guidance process.
[Step S20]: Even if the guidance route is saved, if the user selects the guidance end, the process proceeds to step S24 to end the process, and if the user selects the guidance continuation, the step Proceed to S21.
[Step S21]: The user may select the succession of the storage guidance route, or ignore the storage guidance route and select a new theme.
[Step S22]: It is determined whether the save guidance route is inherited or the theme is newly updated, and if the inheritance is selected, the process proceeds to step S23, and if the theme is newly updated, the theme is set in step S11 via the node B. conduct.
[Step S23]: Succession selection is performed, the saved non-arrival route portion is read, and the process proceeds to step S12 via the node A to set the route.
[Step S24]: The route guidance process is terminated.

FIG. 16 shows a configuration example when the mobile terminal 300 is used as the computer system 110 of FIG. 3, and in this figure, the mobile terminal 300 has a processing system 310, a memory 320, an input / output subsystem 330, and a high frequency circuit unit 340. , And the audio circuit unit 350. Each of the components can be realized as appropriate by hardware, software, or a combination thereof, including signal processing integrated circuits, application-specific integrated circuits, and the like. The high frequency circuit unit 340 is used to transmit / receive information on a wireless link or network to other devices, and in order to perform this function, an antenna system, an RF transceiver, an amplifier, a tuner, an oscillator, and an oscillator. Includes, but is not limited to, digital signal processors, CODEC chipsets, memories, and other well-known circuit configurations. The high frequency circuit unit 340 includes mobile communication such as time division multiplex access (TDMA) and code division multiplex connection (CDMA), wireless LAN (IEEE 802.11b, IEEE 802.11a, IEEE 802.11g and / or IEEE 802.11N), Bluetooth. Communication protocols such as (IEEE 802.15.1, registered trademark) and Wi-MAX (IEEE 802.16) can be used, but are not limited thereto. The voice circuit unit 350 is connected to the voice speaker 351 and the microphone 352. The processing system 310 includes a processor 311, a memory controller 312, and a peripheral device interface 313, and the memory 320 stores code and data executed by the processor 311. The memory 320 may include any storage device such as RAM, ROM, flash memory, disk drive, magnetic tape and the like. Processor 311 executes various software components stored in memory 320. For example, software components include an operating system 321, a communication module 322, a contact / operation module 323, a graphic module 324, an application 325, a timer module 326, and a web browser module 327. Application 325 includes a browser, address book, email, encryption, positioning functions such as the Global Positioning System (GPS), and a two-dimensional bar code decoder. The route guidance device 100 (FIG. 3) of this embodiment is typically realized as one of the applications 325. The input / output subsystem 330 controls the touch panel 331 and the like. By installing the corresponding application in the memory 320, the mobile terminal 300 is realized as a route guidance device (or search device).

The subject of this embodiment is not limited to this, but may be defined by the idiom metaward. The idiom metaword consists of a basic metaword group and a Kansei metaword group as shown in FIG. The basic metaword is a conventional search tag, and the Kansei metaword is a Kansei tag. The idiom metaword is composed of these one or more basic metawords, one or more sensibility metawords, and their score values (weighting factors). Specifically, an idiom metaword is defined as a complex metaword whose semantic interpretation is represented by a set of a plurality of Kansei metawords and basic metawords (hereinafter, also referred to as metaword factors). By adopting the idiom metaword as the target theme, it becomes possible to specify multiple point information / event information based on the target theme request from a user with a high degree of abstraction.

The metaword factors (basic metaword, Kansei metaword) included in this idiom metaword are fixedly defined as shown in Fig. 17 (A), and vary depending on the content type, season, situation, age / gender of the user, etc. Consists of what to do. Only the maximum number of factors is defined for the number of factors included in the Kansei metaword group and the basic metaword group, and the number of factors may vary. Also, there may be no variable factor. However, the minimum and maximum number of factors included in the idiom metaword is defined. The Kansei metaword group and the basic metaword group include individual metawords and their respective score values as shown in FIG. 17 (B).

The metaword factors in the idiom metaword may be arranged in a mixed order, but in this explanation, they are arranged in descending order of score value from front to back for each fixed metaword and variable metaword. By searching based on this idiom metaword for requests from users, it is possible to obtain content information corresponding to the meaning of the idiom metaword without considering variable factors such as content type and season. Become.

As shown in FIG. 18A, the tag added to the point information / event information may consist of a basic metaword and a sensitivity metaword. The idiom metaword retains the information as shown in FIG. 18 (B). The metaword factor associated with the idiom metaword may be modified or optimized according to the user's profiling (age, gender, preference tendency), season, time zone, environmental conditions such as weather, and the like. The "idiom name" is a name for displaying the idiom metaword. Examples of idiom metawords and corresponding metaward factors are shown in FIG.

Next, another embodiment of the present invention will be described. This embodiment realizes the search device 120. In FIG. 20, the parts corresponding to FIG. 3 are designated by the corresponding reference numerals. In FIG. 20, the search device 101 includes a position information determination unit 10, an area definition determination unit 20, a theme presentation unit 30, a theme selection unit 31, a search unit 40, a database 80, and the like. The search unit 40 supplies the location information and event information of the search result to the route guidance device 130. The route guidance device 130 is a normal navigation system, and determines a guidance route using the point information and event information of the search result.

The search target may be content or the like to be viewed. For example, the service content provided to the user regarding the selected theme is not limited to the presentation of destination candidates and waypoint candidates, but includes information such as music, images, videos, and detailed information related to the current time and destination. May be supplied.

FIG. 21 shows yet another embodiment. Also in FIG. 21, the corresponding reference numerals are given to the parts corresponding to those in FIG. In FIG. 21, the search unit 40 performs a search based on the search input input from the search input unit 41. The search result selection unit 51 selects the search result presented by the search result presentation unit 50, and performs display / audiovisual processing and processing execution according to the content thereof. The search result may be location information, event information, or information such as music, images, videos, and detailed information related to the current time and destination.

This is the end of the description of the embodiment.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.

10 Location information determination unit 20 Area definition determination unit 30 Theme presentation unit 31 Theme selection unit 40 Search unit 41 Search input unit 50 Search result presentation unit 51 Search result selection unit 60 Route determination unit 70 Route display unit 80 Destination recommendation database 81 Area definition 82 Theme information 83 Search target association data 100 Route guidance device 110 Computer system 111 Recording medium 120 Search device 121 Search device 130 Route guidance device

Claims (13)

Location information determination means for determining location information,
Area definition holding means that holds one or more area definitions,
A theme information holding means for holding one or a plurality of realization target themes assigned to each of the at least one area definition with respect to at least one of the above one or a plurality of area definitions.
When the position information determined by the position information determining means is associated with any one of the at least one area definitions, the area definition determining means for determining the area definition to which the position information is associated and the area definition determining means.
In response to the determination result of the area definition determination means, the theme information holding means is referred to, and the theme presentation that presents at least one of the realization target themes assigned to the area definition to which the location information is associated is presented. Means and
The theme selection means for selecting the theme to be realized presented by the above theme presentation means, and the theme selection means
Search target association data retention means that retains search target association data that associates tag information with search targets,
When the presented realization target theme is selected, the search means for searching the search target by referring to the search target association data holding means using the tag information attached to the realization target theme as a search key. When,
Search result presentation means that presents the search results of the above search means, and
The search result selection means for selecting the search result presented by the above search result presentation means, and the search result selection means.
A route guidance device comprising: a route determining means for determining a route to a search target selected by the search result selecting means. It further has an initial theme selection means for selecting an initial theme, and the search means searches the search target using the tag information attached to the initial theme as a search key and outputs an initial search result. , The search result presenting means presents the initial search result, the theme selecting means selects the initial search result, and the route determining means selects a route to the selection target selected from the initial search result. The route guidance device according to claim 1 to be determined. The route guidance device according to claim 1 or 2, wherein the search target association data is a metaword given to the search target. The route guidance device according to claim 3, wherein the tag information given to the realization target theme includes a plurality of metawords. The route guidance device according to claim 4, wherein the tag information given to the realization target theme includes a plurality of metawords and their respective weight coefficients. The route guidance device according to any one of claims 1 to 5, wherein the area definition comprises one or a plurality of mesh definitions of map data. The route guidance device according to claim 6, wherein the search means searches within a range defined in the mesh definition included in the area definition to which the position information is associated. The route guidance device according to claim 7, wherein the range defined by the mesh definition includes the extension area of the area definition. Location information determination means for determining location information,
Area definition holding means that holds one or more area definitions,
A theme information holding means for holding one or a plurality of realization target themes assigned to each of the at least one area definition with respect to at least one of the above one or a plurality of area definitions.
When the position information determined by the position information determining means is associated with any one of the at least one area definitions, the area definition determining means for determining the area definition to which the position information is associated and the area definition determining means.
In response to the determination result of the area definition determination means, the theme information holding means is referred to, and the theme presentation that presents at least one of the realization target themes assigned to the area definition to which the location information is associated is presented. Means and
The theme selection means for selecting the theme to be realized presented by the above theme presentation means, and the theme selection means
Search target association data retention means that retains search target association data that associates tag information with search targets,
When the presented realization target theme is selected, the search means for searching the search target by referring to the search target association data holding means using the tag information attached to the realization target theme as a search key. When,
A search device comprising a search result presenting means for presenting a search result of the search means. The search device according to claim 9, wherein at least a part of the search target is given location information. The search device according to claim 9, wherein the search target is audiovisual target content. The steps that the location information determination means determines the location information,
The position information determined by the area definition determining means by the position information determining means is at least one area definition among one or a plurality of area definitions held in the area definition holding means, and one or a plurality of areas are defined. When associated with any of the above at least one area definitions to which the realization target theme is given, a step of determining the area definition to which the location information is associated, and
A step in which the theme presenting means presents at least one of the realization target themes assigned to the area definition to which the location information is associated in response to the determination result of the area definition determining means.
The theme selection means is a step of selecting the realization target theme presented by the above theme presentation means, and
When the presented realization target theme is selected by the search means, the tag information attached to the realization target theme is used as the search key, and the tag information in the search target held in the search target association data holding means is used. Search target to associate with The step to search for the above search target by referring to the association data, and
The step in which the search result presenting means presents the search results of the above search means,
The step that the search result selection means selects the search result presented by the above search result presentation means, and
A route guidance method, characterized in that the route determining means includes a step of determining a route to a search target selected by the search result selecting means. Computer,
Location information determination means for determining location information,
Area definition holding means for holding one or more area definitions,
A theme information holding means for holding one or a plurality of realization target themes assigned to each of the at least one area definition with respect to at least one of the above one or a plurality of area definitions.
An area definition determining means for determining an area definition to which the position information is associated when the position information determined by the position information determining means is associated with any one of the at least one area definitions.
In response to the determination result of the area definition determination means, the theme information holding means is referred to, and the theme presentation that presents at least one of the realization target themes assigned to the area definition to which the location information is associated is presented. means,
Theme selection means for selecting the realization target theme presented by the above theme presentation means,
Search target association data retention method that retains search target association data that associates tag information with search targets,
When the presented realization target theme is selected, the search means for searching the search target by referring to the search target association data holding means using the tag information attached to the realization target theme as a search key. ,
Search result presentation means that present the search results of the above search means, and
Search result selection means for selecting search results presented by the above search result presentation means,
A route determining means for determining a route to a search target selected by the search result selecting means,
A computer program for routing used to be realized as.

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