JP7183324B2 - Provision device, provision method and provision program - Google Patents

Description

The present invention relates to a provision device, a provision method, and a provision program.

Conventionally, there is known a technique for providing information on a route for a user to travel from a starting point to a destination. As an example of such technology, a route search processing means for searching the route, a predicted vehicle position calculation processing means for calculating the predicted vehicle position on the route, and a scale representing the route and time are displayed on a display unit. There is a technology provided with display processing means for displaying. In this technique, when a time point on the scale is selected, the display processing means displays the predicted vehicle position at the selected time point on the route (see Patent Document 1, for example).

JP-A-2007-86087

In the technique described in Patent Document 1, the time point is simply displayed by fixing the graduations at the same intervals on the scale. Therefore, the longer the period displayed on the scale, the narrower the intervals between the graduations. For this reason, it is not possible to easily select a desired time point on the scale, and it is not possible to grasp information such as the predicted position of the vehicle before and after the selected time point in detail, which is not convenient. This problem is particularly conspicuous in electronic devices such as smartphones whose display unit has a small screen size.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a providing apparatus, a providing method, and a providing program that enable a user to easily select a desired point in time and to grasp information before and after the selected point in detail.

A providing apparatus according to the present invention includes a providing unit that provides main information including elements that change with time, a graph that shows temporal changes in each of the elements that make up the main information, and a user that uses a display control unit that causes a terminal to display the main information and the graph, and controls display of the main information and the graph in accordance with an operation by the user, wherein the display control unit controls the display at a reference time point; An icon for instructing a change in time point is displayed at the corresponding position on the graph, and the closer the display position of the icon is to the display position of the icon, the smaller the time step width is, and the icon is displayed. The graph is displayed with the time step width increased as the position is farther from the position.

According to the present invention, a desired point in time can be easily selected, and information before and after the selected point in time can be grasped in detail.

FIG. 1 is a diagram illustrating an example of provision processing according to the embodiment. FIG. 2 is a diagram showing an example of an enlarged graph part of the screen of the terminal device according to the embodiment, (A) is an example in which an icon is displayed on the left end of the graph showing the current time, and (B) is An example in which an icon is displayed on a graph showing one hour from the present time, and (C) is an example in which an icon is displayed on the reference time of the graph with one hour from the left end as the reference time. FIG. 3 is a diagram (1) showing an example of a screen of the terminal device according to the embodiment; FIG. 4 is a diagram (2) showing an example of a screen of the terminal device according to the embodiment; FIG. 5 is a diagram (3) showing an example of a screen of the terminal device according to the embodiment; FIG. 6 is a diagram illustrating a configuration example of an information providing apparatus according to the embodiment; FIG. 7 is a diagram illustrating an example of a user information database according to the embodiment; FIG. 8 is a diagram illustrating an example of a road traffic information database according to the embodiment; FIG. 9 is a flowchart illustrating an example of the procedure of provision processing according to the embodiment. FIG. 10 is a hardware configuration diagram showing an example of a computer that implements the functions of the information providing apparatus.

Embodiments for implementing the provision device, the provision method, and the provision program (hereinafter referred to as "embodiments") according to the present application will be described in detail below with reference to the drawings. Note that the provision device, the provision method, and the provision program according to the present application are not limited by this embodiment. Also, in each of the following embodiments, the same parts are denoted by the same reference numerals, and overlapping descriptions are omitted.

[1. embodiment]
The providing process realized by the providing apparatus and the like of this embodiment will be described with reference to FIG. FIG. 1 is a diagram illustrating an example of provision processing according to the embodiment. Note that in FIG. 1, provision processing and the like according to the embodiment are realized by an information provision device 10, which is an example of a provision device according to the present application.

As shown in FIG. 1, the provision system 1 according to the embodiment includes an information provision device 10, a terminal device 100, and an external server 200. FIG. The information providing device 10, the terminal device 100, and the external server 200 are communicably connected to each other by wire or wirelessly via a network N (see FIG. 6, for example). The network N is, for example, a WAN (Wide Area Network) such as the Internet. The providing system 1 shown in FIG. 1 may include a plurality of information providing devices 10, a plurality of terminal devices 100, and a plurality of external servers 200. FIG.

An information providing apparatus 10 illustrated in FIG. 1 is an information processing apparatus that performs providing processing, and is realized by, for example, a server apparatus, a cloud system, or the like. In the example of FIG. 1, the information providing device 10 is an information processing device that manages information such as map information and road traffic information and provides car navigation services based on these information to users.

Note that the information providing device 10 may have a function as a web server that provides a website related to car navigation services. Further, the information providing device 10 is a device that distributes to the terminal device 100 information to be displayed in an application related to a car navigation service installed in the terminal device 100 (hereinafter sometimes referred to as a “car navigation application”). may Further, the information providing device 10 may be a server that distributes the data itself of the car navigation application. Further, the information providing device 10 may function as a distribution device that distributes control information to the terminal device 100 . Here, the control information is described in, for example, a script language such as JavaScript (registered trademark) or a style sheet language such as CSS (Cascading Style Sheets). Note that the car navigation application itself distributed from the information providing device 10 may be regarded as the control information.

A terminal device 100 shown in FIG. 1 is an information processing device used by a user. The terminal device 100 is implemented by, for example, a smart phone, a tablet terminal, a notebook PC (Personal Computer), a desktop PC, a mobile phone, a PDA (Personal Digital Assistant), or the like. Note that in the example shown in FIG. 1, the terminal device 100 is a smart phone used by a user.

In addition, the terminal device 100 displays information provided by the information providing device 10 using a web browser or an application. When the terminal device 100 receives control information for implementing information display processing from the information providing device 10 or the like, the terminal device 100 implements the display processing according to the control information.

The external server 200 shown in FIG. 1 is an information processing device that distributes information such as map information including road information and road traffic information including congestion information, and is realized by, for example, a server device or a cloud system.

The providing process performed by the information providing apparatus 10 will be described below with reference to FIG. In the following description, terminal device 100 is assumed to be used by user U1. Also, in the following description, it is assumed that a car navigation application is installed in the terminal device 100 .

First, the information providing device 10 acquires road traffic information from the external server 200 (step S1). For example, the information providing device 10 periodically acquires road traffic information indicating traffic jams, accidents, road closures, regulations, etc. occurring on each road, and manages it in its own storage unit.

Subsequently, the information providing device 10 receives a route search request from the terminal device 100 (step S2). For example, the terminal device 100 activates the car navigation application in response to an operation from the user U1, displays the screen C11, and transmits the information input by the user U1 to the screen C11 as a search request to the information providing device 10. . The information providing device 10 then receives information transmitted from the terminal device 100 .

To give a specific example, the terminal device 100 has an area AR11 for inputting a departure point and a destination, and route search (search) conditions (for example, a route with the shortest required time including highways and general roads). "recommended" to search for , "expressway priority" to search for routes that preferentially use expressways, and "general priority" to search for routes that preferentially use general roads). , a button (toggle) B11 for specifying whether or not to automatically display the searched route on the top screen (home screen) of the car navigation application, and an area AR13 for inputting the scheduled departure date and time or the scheduled arrival date and time. , a screen C11 including a button (toggle) B12 for designating whether or not to notify of traffic congestion prediction before departure from the departure point, and an area AR14 for designating the timing of notification of traffic congestion prediction is displayed. do. To give a more specific example, when one of the areas AR11 to AR14 is selected, the terminal device 100 transitions to a screen for inputting information corresponding to the selected area and accepts input of information. , after the input is completed, the screen changes again to the screen C11, and the input information is displayed in the corresponding area.

In the example of FIG. 1, the information providing device 10 sets the starting point to "point A", the destination to "point B", the search condition to "recommended", and the departure date and time to "June 16, 9:30". It is assumed that a search request for

Subsequently, based on the received search request, the information providing device 10 searches for routes at each of a plurality of points in time within a predetermined period (step S3). For example, the information providing device 10 may be configured for a predetermined period including the departure date and time "June 16, 9:30" (for example, from 12 hours before the departure date and time to 12 hours after the departure date and time). period), based on road information, real-time road traffic information at each point in time, and the estimated congestion status of each road based on road traffic information. Search for a route to the ground "point B" that takes the shortest required time at each point, including expressways and general roads. In addition, the information providing device 10, for each of a plurality of points in time included in a predetermined period, preferentially uses a route when using expressways (search condition "expressway priority"), and preferentially using general roads. If so (search condition "general priority"), the route is searched in the same way.

Subsequently, the information providing device 10 provides route information regarding the searched route to the terminal device 100, and controls the display of the route information on the terminal device 100 according to the operation by the user U1 (step S4). For example, the information providing device 10 provides route information including map information indicating the searched route and a graph indicating changes in required time at each time point. The information providing device 10 then controls the terminal device 100 to display a screen C12 showing the provided route information.

To give a specific example, the terminal device 100 displays an area AR15 for displaying a map corresponding to a route, an area AR16 for instructing switching of the route displayed on the map, and the date and time of departure and arrival. An area AR17, a button B13 for instructing to change the date and time of departure or the date and time of arrival, an area AR18 for displaying a graph showing changes in the required time, the required time of the route, the distance to be caught in traffic congestion on the route, and the route. A screen C12 including an area AR19 for displaying information such as tolls required for use (highway tolls, etc.), route distance, etc., and a button B14 for instructing start of navigation based on the route information displayed on the screen C12. display.

To give a more specific example, the terminal device 100 displays an icon IC11 indicating a departure point "point A", an icon IC12 indicating a destination "point B", and a departure date and time "June 16, 9:30". A route RT11 searched based on the search condition "recommended" at the time of , a route RT12 searched based on the search condition "high speed priority" at the time of departure date and time "9:30 on June 16", and a departure date and time " At 9:30 on June 16th, the route RT13 retrieved based on the search condition "general priority" is displayed on the map displayed by the area AR15. Note that, as shown in FIG. 1, in the initial display of the screen C12, the terminal device 100 highlights the route RT11 searched based on the search condition "recommended" input by the user on the screen C11. to display a route RT111 indicating a route that is caught in a traffic jam.

In addition, the terminal device 100 displays areas corresponding to the search conditions "recommended", "fast priority", and "general priority" in the area AR16. In the initial display of the screen C12, the search condition "recommended" input by the user on the screen C11 is selected in advance. , the corresponding route RT12 is highlighted instead of the route RT11, and when an area corresponding to the search condition "general priority" is selected, the route RT13 is replaced with the route RT11 and highlighted.

In addition, the terminal device 100 indicates that the departure date and time is "June 16, 9:30" and the arrival date and time is "June 16, 10:08," which is the required time "38 minutes" of the route RT11 after the departure date and time. The information indicating "minutes" is displayed in the area AR17.

In addition, the terminal device 100 indicates that the required time for the route RT11 is “38 minutes”, the distance for the route RT111 is “7 km traffic jam”, the toll for using the route RT11 (expressway toll, etc.) is “1,390 yen”, and the route RT11 is displayed in the area AR19.

In addition, the terminal device 100 displays a graph in the area AR18 with the required time on the vertical axis, the time on the horizontal axis, and the departure date and time “June 16, 9:30” as the reference time. An icon (slider) IC13 is displayed on the axis to indicate a change in the starting point.

Here, a display example of the area AR18 forming the screen C12 will be described with reference to FIG. 2(A). FIG. 2A is a diagram showing an example of an enlarged graph portion of the screen of the terminal device according to the embodiment, and an example in which an icon IC13 is displayed on the left end of the graph indicating the current time. In the icon IC13 shown in FIG. 2A, the left-pointing triangle is painted in black and the right-pointing triangle is drawn in white because the icon IC13 cannot be slid to the left on the graph (non-active). but on the right side it means that it can be slid (active). The meaning of the figure of the icon IC13 is the same for the icon IC13 shown in FIG.

In the example of FIG. 2A, the graph has a plurality of scales with the left end being the current time as a reference and the right end being 12 hours after the current time. 1 hour from the current time in 15 minute increments, 1 hour to 3 hours from the current time in 30 minute increments, 3 hours to 6 hours from the current time in 1 hour increments, 6 hours to 12 hours from the current time Each scale is marked in increments of 3 hours. In the example of FIG. 2(A), the scale intervals are the same from the present time to 6 hours later, but the time step widths (scale units representing time per predetermined length) are different as described above. The time step size may be stepped or continuous. The icon IC13 is displayed at the current time, which serves as a reference.

That is, an icon IC13 for instructing a change in time point is displayed at a position on the graph corresponding to a reference time point. is made smaller, and the graph is displayed with a larger time step width at a position farther from the display position of the icon IC13.

Then, the terminal device 100 changes the display mode of the screen C12 shown in FIG. 1 according to the user U1's slide operation on the icon IC13. For example, the terminal device 100 acquires a plurality of route search results obtained by shifting the departure date and time from the reference time by a predetermined period (for example, every five minutes). Then, the terminal device 100 displays a graph showing changes in the required time for each acquired result.

Here, a display example of the screen C12 when the user U1 slides the icon IC13 to the position of "1 hour later" on the horizontal axis of the graph will be described with reference to FIG. FIG. 3 is a diagram (1) showing an example of a screen of the terminal device according to the embodiment;

As shown in FIG. 3, the terminal device 100 sets the departure date and time to "June 16, 10:00", which is one hour after "June 16, 9:30" entered by the user on the screen C11 shown in FIG. A screen C13 showing the route information in the case of "30 minutes past the hour" is displayed. For example, the terminal device 100 displays the route RT14 searched based on the search condition "recommended" at the departure date and time "June 16, 10:30" and the route RT14 at the departure date and time "June 16, 10:30". Route RT15 searched based on the search condition "high-speed priority" in the area AR15 Display on the display map. As shown in FIG. 3, in the display of the screen C13, the terminal device 100 highlights the route RT14 searched based on the search condition "recommended" input by the user on the screen C11 shown in FIG. A route RT141 indicating a route involved in traffic congestion on the route RT14 is displayed.

In addition, the terminal device 100 indicates that the departure date and time is "June 16, 10:30" and the arrival date and time is "June 16, 11:10", which is the required time "40 minutes" of the route RT14 after the departure date and time. The information indicating "minutes" is displayed in the area AR17.

In addition, the terminal device 100 indicates that the required time for the route RT14 is "40 minutes", the distance for the route RT141 is "7.5 km of congestion", the fee for using the route RT14 is "1,000 yen", and the travel distance on the route RT14 is Information indicating "21 km" is displayed in the area AR19.

In addition, the terminal device 100 displays, in the area AR18, a graph in which the shape and scale intervals are changed according to the slide operation by the user U1, and an icon IC13 whose display position is changed to a position one hour after the current time is displayed. do.

Here, a display example of the area AR18 forming the screen C13 shown in FIG. 3 will be described with reference to FIG. 2(B). FIG. 2B is a diagram showing an example of an enlarged graph portion of the screen of the terminal device according to the embodiment, and an example in which the icon IC13 is displayed on the graph showing one hour from the present time. In the icon IC13 shown in FIG. 2B, both the left-pointing triangle and the right-pointing triangle are drawn in white to indicate that the icon IC13 can be slid to the left or right on the graph (active). means. The meaning of the figure of icon IC13 is the same for icon IC21 shown in FIG. 2C, icon IC13 shown in FIG. 3, and icons IC21 and IC22 shown in FIG.

In the example of FIG. 2(B), the graph has a plurality of scales with the left end being the current time as a reference and the right end being 12 hours after the current time. The manner of marking (indentation) of each scale is the same as in FIG. 2(A), but the interval between each scale is partially different from the interval between each scale in FIG. 2(A). Specifically, the intervals between the scales from the present time to the next three hours are the same as the intervals between the scales in the corresponding period of FIG. 2(A). On the other hand, the interval of each scale after 3 hours from the present time is displayed narrower than the interval of each scale during the corresponding period in FIG. 2(A).

As described above, the information providing device 10 controls the route information displayed on the screen of the terminal device 100 according to the user U1's operation on the icon IC13.

Returning to FIG. 1, the description continues. When the user U1 presses the button B13 on the screen C12, the terminal device 100 displays a screen for newly specifying the departure date and time or the arrival date and time, and displays the route information corresponding to the date and time specified on the screen. indicate.

Here, a display example of the screen when the user U1 presses the button B13 will be described with reference to FIG. FIG. 4 is a diagram (2) showing an example of a screen of the terminal device according to the embodiment;

As shown in FIG. 4, the terminal device 100 displays a screen C21 including an area AR21 for specifying the date and time of departure or the date and time of arrival.

Here, in the screen C21, when the user U1 specifies the departure date and time "June 25th 12:00", the terminal device 100 sets the departure point to "point A", the destination to "point B", and search A search request is sent to the information providing device 10 with the condition of "recommended" and the departure date and time of "June 25th 12:00". Then, the terminal device 100 receives the route information corresponding to the transmitted search request from the information providing device 10, and displays the screen C22 showing the route information. For example, the terminal device 100 includes an area AR22 (corresponding to area AR15 in FIG. 1) displaying a map corresponding to the route and an area AR23 (corresponding to areas AR16 to AR19 in FIG. 1) displaying information about the route. Display the screen C22.

To give a specific example, the terminal device 100 displays an icon IC11 indicating the departure point "Point A", an icon IC12 indicating the destination "Point B", and an icon IC12 indicating the departure date and time "June 25, 12:00". A route RT21 searched based on the search condition "Recommended" at the time of departure; The route RT23 retrieved based on the search condition "general priority" at "12:00 on the 25th of the month" is displayed on the map displayed by the area AR22. Note that, as shown in FIG. 4, in the initial display of the screen C22, the terminal device 100 highlights the route RT21 searched based on the search condition "recommended" input by the user U1, and the traffic congestion on the route RT21. A route RT 211 indicating a route involved in is displayed.

In addition, the terminal device 100 indicates that the departure date and time is “June 25, 12:00” and the arrival date and time is “June 25, 12:45,” which is the required time “45 minutes” of the route RT21 after the departure date and time. The information indicating "minutes" is displayed in the area AR23.

In addition, the terminal device 100 indicates that the required time for the route RT21 is "45 minutes", the distance for the route RT211 is "8 km traffic jam", the fee for using the route RT21 is "1,280 yen", and the travel distance for the route RT21 is "22 km is displayed in the area AR23.

In addition, the terminal device 100 displays a graph in the region AR23 with the departure time "12:00 on June 25" as the reference point of time. Display IC21.

Here, a display example of the area AR23 forming the screen C22 shown in FIG. 4 will be described with reference to FIG. 2(C). FIG. 2C is a diagram showing an example of an enlarged graph portion of the screen of the terminal device according to the embodiment, and an icon is displayed on the current point of the graph with one hour later from the left end as the reference point. This is an example of

In the example of FIG. 2(C), the graph has multiple scales with one hour after the reference time from the left end, one hour before the reference time on the left end, and six hours after the reference time on the right end. attached. The manner of marking (indentation) of each scale is the same as in FIGS. 2A and 2B, and the intervals between the scales are also the same as in FIG. 2A.

Then, the terminal device 100 changes the display mode of the screen C22 according to the user U1's slide operation on the icon IC21 shown in FIG.

Here, in the screen C21, when the user U1 specifies the arrival date and time "June 25th 13:00", the terminal device 100 sets the departure point to "Point A", the destination to "Point B", and the search A search request is sent to the information providing apparatus 10 with the condition of "recommended" and the arrival date and time of "June 25, 13:00". Then, the terminal device 100 receives the route information corresponding to the transmitted search request from the information providing device 10, and displays the screen C23 showing the route information. For example, the terminal device 100 includes an area AR24 (corresponding to area AR15 in FIG. 1) displaying a map corresponding to the route and an area AR25 (corresponding to areas AR16 to AR19 in FIG. 1) displaying information about the route. Display the screen C23.

To give a specific example, the terminal device 100 displays an icon IC11 indicating the departure point “point A”, an icon IC12 indicating the destination “point B”, and an arrival date and time “June 25, 13:00”. A route RT24 searched based on the search condition "recommended" at the time of arrival; The route RT26 retrieved based on the search condition "general priority" at 13:00 on the 25th of the month" is displayed on the map displayed by the area AR24. Note that, as shown in FIG. 4, in the initial display of the screen C23, the terminal device 100 highlights the route RT24 searched based on the search condition "recommended" input by the user U1. A route RT 241 indicating a route involved in is displayed.

In addition, the terminal device 100 indicates that the arrival date and time is "June 25, 13:00" and the departure date and time is "June 25, 12:28", which is obtained by subtracting the required time "32 minutes" of the route RT24 from the arrival date and time. Information indicating that is displayed in the area AR25.

In addition, the terminal device 100 indicates that the required time for route RT24 is "32 minutes", the distance for route RT241 is "6 km traffic jam", the fee for using route RT24 is "1,150 yen", and the travel distance for route RT24 is "19 km is displayed in the area AR25.

In addition, the terminal device 100 displays a graph in the area AR25 with the reference point of time as the departure date and time of "June 25, 12:28", and an icon for instructing a change of the departure point on the horizontal axis of the graph. Display IC22. Then, the terminal device 100 changes the display mode of the screen C23 according to the user U1's slide operation on the icon IC22.

Returning to FIG. 1, the description continues. In the example of FIG. 1, it is assumed that the user U1 performs a predetermined operation on the terminal device 100 to instruct the navigation of the route RT11 at the departure date and time of "June 16, 9:30". In this case, the information providing device 10 transmits a predetermined notification regarding the route RT11 to the terminal device 100 at a time earlier than the predetermined period from the departure date and time, and displays the notification on the screen of the terminal device 100. FIG.

Here, a display example of notification from the information providing apparatus 10 will be described with reference to FIG. FIG. 5 is a diagram (3) showing an example of a screen of the terminal device according to the embodiment;

As shown in FIG. 5, the terminal device 100 displays a notification (push notification) P31 transmitted from the information providing device 10 one hour before the departure date and time "June 16, 9:30" on a screen C31. display as For example, when the notification P31 is pressed, the terminal device 100 displays a screen C12 with updated information based on the latest road traffic information.

As described above, the information providing apparatus 10 according to the embodiment provides the terminal device 100 with main information including elements that change with time and graphs showing temporal changes of the elements that make up the main information. The main information and the graph are displayed on the terminal device 100, and the display of the main information and the graph is controlled according to the user's operation. When displaying the graph, the information providing apparatus 10 displays an icon for instructing a change in time point at a position on the graph corresponding to the reference time point, and changes the display position of the icon around the display position of the icon. The closer the icon is to the position, the smaller the time increment width, and the farther from the icon display position, the larger the time increment width. As a result, the information providing apparatus 10 according to the embodiment can easily select a desired time point on the graph by intuitive operation of the icon, and can grasp the main information before and after the selected time point in detail. . Therefore, convenience for the user can be improved.

[2. Configuration of Information Providing Device]
Next, the configuration of the information providing device 10 will be described with reference to FIG. FIG. 6 is a diagram illustrating a configuration example of an information providing apparatus according to the embodiment; As shown in FIG. 6, the information providing device 10 has a communication section 20, a storage section 30, and a control section 40. As shown in FIG.

(Regarding communication unit 20)
The communication unit 20 is realized by, for example, a NIC (Network Interface Card) or the like. The communication unit 20 is connected to the network N by wire or wirelessly, and transmits and receives information to and from the terminal device 100, the external server 200, and the like.

(Regarding storage unit 30)
The storage unit 30 is implemented by, for example, a semiconductor memory device such as a RAM (Random Access Memory) or a flash memory, or a storage device such as a hard disk or an optical disc. As shown in FIG. 6 , the storage unit 30 has a user information database 31 and a road traffic information database 32 .

(Regarding the user information database 31)
The user information database 31 stores various types of information about users who use the car navigation service. An example of information stored in the user information database 31 will now be described with reference to FIG. FIG. 7 is a diagram illustrating an example of a user information database according to the embodiment; In the example of FIG. 7, the user information database 31 includes "user ID", "movement history", "route ID", "departure point", "destination", "route", "departure date and time", "required time”.

"User ID" indicates an identifier for identifying a user. "Movement history" indicates the movement history of the user using the car navigation service or the like, and stores information such as the departure point, the destination, and the time required to reach the destination, for example. "Route ID" indicates an identifier for identifying a route searched by the user in the car navigation service (for example, a route instructed to navigate). "Starting point" indicates the starting point of the route. "Destination" indicates the destination of the route. "Route" indicates the route searched by the user. "Date and time of departure" indicates the date and time of departure from the place of departure. "Required time" indicates the time required from the departure point to the destination.

That is, in FIG. 7, the movement history of the user identified by the user ID "UID#1" is "movement history #1", and the route "RID#1" identified by the route ID "RID#1" in the car navigation service Route #1", and the starting point of the route is "Departure #1", the destination is "Destination #1", the departure date and time is "Date and time #1", and the required time is "Time required #1". Here is an example.

(Regarding the road traffic information database 32)
The road traffic information database 32 stores road traffic information acquired from the external server 200 . An example of information stored in the road traffic information database 32 will now be described with reference to FIG. FIG. 8 is a diagram illustrating an example of a road traffic information database according to the embodiment; In the example of FIG. 8, the road traffic information database 32 has items such as "position ID", "position information", and "congestion status".

"Position ID" indicates an identifier for identifying a position on the road. "Position information" indicates a position on a road. “Congestion” indicates the state of congestion (traffic jam).

That is, FIG. 8 shows an example in which the congestion situation is "congestion situation #1" at the position identified by the position ID "PID#1" and the position information is "position information #1".

(Regarding the control unit 40)
The control unit 40 is a controller. For example, various programs stored in a storage device inside the information providing apparatus 10 are controlled by a CPU (Central Processing Unit), an MPU (Micro Processing Unit), or the like, and the RAM is used as a work area. It is realized by executing as Also, the control unit 40 is a controller, and is implemented by an integrated circuit such as an ASIC (Application Specific Integrated Circuit) or an FPGA (Field Programmable Gate Array). The control unit 40 according to the embodiment includes an acquisition unit 41, a reception unit 42, a search unit 43, a provision unit 44, and a display control unit 45, as shown in FIG. Realize or perform the function or action of a process.

(Regarding the acquisition unit 41)
The acquisition unit 41 acquires information such as map information and road traffic information. For example, the acquisition unit 41 acquires from the external server 200 road traffic information indicating traffic jams, accidents, road closures, restrictions, etc. that occur on each road, and stores the information in the road traffic information database 32 .

(Regarding the reception unit 42)
The receiving unit 42 receives a route search request from a user. For example, in the example of FIG. 1, the receiving unit 42 receives from the terminal device 100 information input by the user U1 on the screen C11 as a search request.

(Regarding the search unit 43)
The search unit 43 searches for a route for the user to travel from the departure point to the destination at each of a plurality of points in time within a predetermined period. For example, in the example of FIG. 1, the search unit 43 retrieves a plurality of time points (e.g., a predetermined period A route from the starting point “point A” to the destination “point B” is searched for each of the five-minute points in time).

Further, the search unit 43 may search for a route based on the state of the route predicted at each point in time for each of a plurality of points in time. For example, in the example of FIG. 1, the search unit 43 searches for a route based on road traffic information at each time point within a predetermined period and the congestion status of each road estimated based on the road traffic information.

Further, the search unit 43 may search for the route with the shortest required time at each of a plurality of points in time. For example, in the example of FIG. 1, the search unit 43 searches for a route from the departure point "point A" to the destination "point B" at each of a plurality of points in time, and for which the required time is the shortest. .

Further, the search unit 43 may search for routes based on common search conditions set by the user for each of a plurality of time points. For example, in the example of FIG. 1, the search unit 43 searches for a route from the departure point “point A” to the destination “point B” based on the search condition “recommended” set by the user U1, Search for the route with the shortest required time at each time including general roads.

Note that the search unit 43 may search for a route based on a common search condition having a predetermined relationship with the search condition set by the user at each of a plurality of points in time. For example, in the example of FIG. 1, the search unit 43 determines, for each of a plurality of time points included in a predetermined period, a route for preferentially using expressways and a route for preferentially using general roads. Search for directions.

Further, the search unit 43 may search for routes at each of a plurality of points in time within a predetermined period including the point in time set as the departure date and time from the departure point. For example, in the example of FIG. 1, the search unit 43 searches for a route at each of a plurality of points in time within a predetermined period including the point in time of the departure date and time "June 16, 9:30" set by the user U1. .

Further, the search unit 43 may search for routes at each of a plurality of points in time within a predetermined period including the point in time set as the date and time of arrival at the destination. For example, in the example of FIG. 4, the search unit 43 searches for each of a plurality of time points included in a predetermined period including the time point of the arrival date and time "June 25, 13:00" specified by the user U1. Search for a route from "Point A" to the destination "Point B".

Here, it is assumed that the user wishes to navigate from the current point to the destination. Therefore, the search unit 43 may search for routes at each of a plurality of times within a predetermined period including the current time. For example, the search unit 43 searches for a route from the departure point set by the user to the destination for each of a plurality of points in time within a predetermined future period from the present time.

(About the providing unit 44)
The providing unit 44 provides route information indicating changes in each movement mode on the route searched by the searching unit 43 at each point in time. For example, in the example of FIG. 1, the providing unit 44 provides the terminal device 100 with route information indicating changes in road traffic information on each route.

Further, the providing unit 44 may provide route information including map information indicating routes and graphs indicating changes in movement modes at a plurality of points in time. For example, in the example of FIG. 1, the providing unit 44 provides route information including map information indicating the route searched by the searching unit 43 and graphs indicating changes in the movement mode at each point in time.

In addition, the providing unit 44 may provide route information indicating changes in at least one of the toll for using the route, the distance traveled along the route, the time required for the route, and the state of congestion on the route. For example, in the example of FIG. 1, the providing unit 44 provides route information including graphs showing changes in required times of routes searched for each point in time within a predetermined period. Note that the providing unit 44 provides route information including a plurality of graphs showing changes in the toll required to use the searched route, the travel distance of the route, and the required time of the route at each point in time within a predetermined period. may Further, the display control unit 45, which will be described later, may switch graphs displayed on the terminal device 100 according to an operation from the user.

Here, it is conceivable that there is a desire to provide a graph of changes in the traffic congestion that occurs along the route so that the user can grasp the traffic congestion on each route. Therefore, the provision unit 44 determines the distance of traffic congestion that occurs on the route, the degree of traffic congestion that occurs on the route, the ratio of the portion of the route where traffic congestion occurs, and the traffic congestion that occurs on the route, and the moving body on which the user boarding is involved in the traffic congestion that occurs on the route. Route information may be provided that indicates changes in at least one of time and the distance that the moving object is involved in traffic jams that occur along the route. For example, the providing unit 44 creates a graph showing the traffic congestion situation on each route based on the road traffic information at each point in time within a predetermined period and the traffic congestion situation on each road estimated based on the road traffic information. Provide route information, including

Note that the providing unit 44 may provide predetermined notifications based on route information without being limited to map information, graphs, and the like. For example, in the example of FIG. 1, when the user U1 instructs to navigate along the route RT11 at the departure date and time "June 16, 9:30", the providing unit 44 provides , a predetermined notification P31 regarding the route RT11 is provided as shown in FIG.

Further, the providing unit 44 may provide the user with a predetermined notification corresponding to a change in the movement mode of the route based on the route information. For example, using FIG. 1 as an example, when the traffic congestion situation (for example, the distance to be caught in traffic congestion) changes on the route RT11 on which the user U1 has instructed navigation, the providing unit 44 detects that the traffic congestion situation has changed. provide a notification that indicates

In addition, when the congestion status of the route searched for the time set as the departure date and time from the departure point satisfies a predetermined condition, the providing unit 44 determines that the congestion status of the routes searched for a different time meets the predetermined condition. A notification may be provided to suggest the use of a route that does not meet the conditions of For example, using FIG. 1 as an example, when the road traffic information is updated and the distance to be caught in traffic congestion on the route RT11 instructed to navigate by the user U1 becomes equal to or greater than a predetermined threshold, the providing unit 44 Provide a notification to the effect that the use of a route retrieved for a time other than the departure date and time of "June 16, 9:30" and for which the distance involved in traffic congestion is equal to or less than a predetermined threshold is proposed. .

(Regarding the display control unit 45)
The display control unit 45 causes the user terminal used by the user to display the route information, and controls the display of the route information according to the user's operation. For example, in the example of FIG. 1, the display control unit 45 provides the terminal device 100 with route information about the searched route, and controls the display of the route information on the terminal device 100 according to the operation by the user U1.

The display control unit 45 may also control the display of the route indicated by the map information according to the user's operation on the graph. For example, in the example of FIG. 1, the display control unit 45 displays map information as shown in FIG. 3 in response to user U1's operation on icon IC13.

Moreover, the display control unit 45 may display a graph based on the departure date and time. For example, in the example of FIG. 1, the display control unit 45 causes the screen C12 to display a graph based on the departure date and time "June 16, 9:30".

In addition, the display control unit 45 displays a time axis corresponding to a reference point of time among a plurality of points of time, a time axis corresponding to other points of time, and a movement mode of a route searched for a point of time corresponding to each time axis. A graph showing the indicated value may be displayed. For example, in the example of FIG. 1 , the display control unit 45 sets the time axis corresponding to the departure date and time “June 16, 9:30” as a reference, and displays the display 30 minutes from the departure date and time “June 16, 9:30”. A graph showing time axes corresponding to later time points, 1 hour later time points, 3 hour later time points, and 12 hour later time points, and the value of the required time at each time point is displayed. Note that the display control unit 45 is not limited to the time axis corresponding to each point in the future from the departure date and time, and as shown in FIG. It is also possible to display a graph showing a time axis corresponding to each point in the past from the date and time, and a value indicating the movement mode of the searched route for the point in time corresponding to the time axis.

Further, the display control unit 45 may display map information indicating the searched route at a point in time selected by the user from among a plurality of points in time. For example, in the example of FIG. 1, when the user U1 slides the icon IC 13 to the position of "after 1 hour" on the horizontal axis of the graph, the display control unit 45 displays the reference point "June 16, 9 o'clock". The map information showing the route RT14 retrieved at "10:30 on June 16", which is one hour after "30 minutes", is displayed as shown in FIG.

Further, the display control unit 45 may display information indicating the mode of movement when the time point selected by the user from among a plurality of time points is set as the departure date and time. For example, in the example of FIG. 3, the display control unit 45 displays the arrival date and time of the route RT14 searched for the departure date and time "June 16, 10:30", the required time, the traffic jam distance, the travel distance, etc. Display information.

Further, the display control unit 45 may control the display mode of the route indicated by the map information according to the movement mode on the route. For example, in the example of FIG. 1, the display control unit 45 displays a route RT111 indicating a route caught in a traffic jam on the route RT11.

Here, it is conceivable that the user wants to display the route information in a form corresponding to the route searched by the user or the user's operation on the route information. Therefore, the display control unit 45 may display a graph based on the current time. For example, when a route is searched for each of a plurality of times within a predetermined period including the current time, the display control unit 45 displays a graph based on the current time.

It should be noted that the display control unit 45 determines when the route with the shortest required time is searched among the routes searched at each of a plurality of times within a predetermined period including the current time, and when the required time is less than or equal to a predetermined threshold. A graph based on the time when a certain route is searched may be displayed.

Further, the display control unit 45 may display a graph based on the date and time of arrival. For example, using FIG. 4 as an example, the display control unit 45 displays a graph based on the arrival date and time “June 25, 13:00” specified by the user U1.

Further, the display control unit 45 may display a graph based on a point in time selected by the user from among a plurality of points in time. For example, using FIG. 1 as an example, when the user U1 slides the icon IC 13 to the position of "1 hour later" on the horizontal axis of the graph, the display control unit 45 changes the reference time " A graph may be displayed with a new reference point of "10:30 on June 16", which is one hour after "9:30 on June 16".

[3. Provision processing flow]
A procedure of provision processing of the information provision device 10 according to the embodiment will be described with reference to FIG. 9 . FIG. 9 is a flowchart illustrating an example of the procedure of provision processing according to the embodiment.

As shown in FIG. 9, the information providing device 10 receives an information request from a user (step S101). Subsequently, based on the information request, the information providing device 10 provides the terminal device 100 with main information including elements that change with time and a graph showing temporal changes in each element that constitutes the main information (step S102) (providing step). Subsequently, the information providing device 10 causes the terminal device 100 to display the main information and the graph (step S103) (display control step). When displaying the graph, the information providing apparatus 10 displays an icon for instructing a change in time point at a position on the graph corresponding to the reference time point, and changes the display position of the icon around the display position of the icon. The closer the icon is to the position, the smaller the time increment width, and the farther from the icon display position, the larger the time increment width. Subsequently, the information providing device 10 determines whether or not there has been an operation by the user (step S103). When there is an operation by the user, the information providing device 10 changes the display of the main information and the graph according to the operation by the user (step S104), and transmits the changed main information and the graph to the terminal device 100. display (step S103). If there is no user's operation, the information providing device 10 terminates the process.

[4. Modification]
The above embodiment is an example, and various modifications and applications are possible.

[4-1. Service Provided by Information Providing Device 10]
In the above-described embodiment, an example in which the information providing device 10 provides a car navigation service was shown, but the service provided by the information providing device 10 is not limited to such an example, and a route using any means of transportation may be provided. Information provision services may be provided.

For example, the information providing device 10 may provide a navigation service when the user moves on foot. In such a case, the search unit 43 searches for a route for the user to travel on foot from the departure point to the destination at each of a plurality of time points included in the predetermined period. Then, the providing unit 44 determines the distance traveled by the user on foot in an area where the degree of congestion is equal to or higher than a predetermined threshold in each of the retrieved routes, and the route indicating the change in the time required for the user to travel on foot in the area. provide information.

The search unit 43 also searches for medical institutions that diagnose a specific disease (for example, an infectious disease), areas where clusters of the disease have occurred, areas with a high possibility of contracting the disease (for example, Based on information such as the area where the area is equal to or greater than a predetermined threshold, a route for the user to travel from the departure point to the destination on foot and which has a low possibility of contracting the disease is searched. Then, the providing unit 44 provides route information indicating a change in the possibility of contracting a disease in each searched route.

Further, for example, the information providing device 10 may provide a navigation service when the user travels by using a mobile object such as a train or bus. In such a case, the search unit 43 searches for a route for the user to travel by boarding the mobile object at each of a plurality of times included in the predetermined period. Then, the providing unit 44 provides route information indicating changes such as the distance that the user boardes a mobile body whose congestion degree is equal to or higher than a predetermined threshold on each of the searched routes and the time that the user boards the mobile body. offer.

[4-2. Regarding information provided by the providing unit 44]
In the above-described embodiment, an example is shown in which the providing unit 44 provides route information including map information indicating the route searched by the searching unit 43 and graphs indicating changes in the movement mode at each point in time. The function of the unit 44 is not limited to such an example. For example, information indicating points in time that are candidate departure dates and times may be provided. As a specific example, the providing unit 44 provides information indicating the date and time when a route with a traffic jam distance of less than or equal to a predetermined threshold is searched (in other words, recommended date and time). do. Then, the information providing apparatus 10 displays a graph highlighting the date and time period indicated by the information provided by the providing unit 44, and a graph based on the time point selected by the user from among the date and time period indicated by the information. display.

In addition, the information provided by the information providing apparatus 10 is not limited to route information and information related thereto. You may provide information including In this way, when reproducing or confirming information such as a moving image, a desired reproduction or confirmation position can be easily selected using icons, and information before and after the selected reproduction or confirmation position can be displayed in detail. I can grasp it.

[4-3. Regarding information used for searching by the searching unit 43]
In the above-described embodiment, the providing unit 44 provides road information, real-time road traffic information at each point in time, and a route related to a route searched by the searching unit 43 based on the congestion status of each road estimated based on the road traffic information. An informative example was given. However, the information that the search unit 43 uses to search for routes is not limited to this example. For example, the search unit 43 may search for a route based on statistics of movement history of each user. As a specific example, the search unit 43 searches for routes based on the movement history of each user stored in the user information database 31 . Then, the providing unit 44 provides the user with route information (for example, average required time based on the travel history of each user, travel distance, distance involved in traffic congestion, etc.) regarding the searched route.

[4-4. About processing mode]
Of the processes described in the above embodiments, all or part of the processes described as being automatically performed can be manually performed, and conversely, all of the processes described as being manually performed can be performed manually. Or partly can be done automatically by a known method. In addition, information including processing procedures, specific names, and various data and parameters shown in the above text and drawings can be arbitrarily changed unless otherwise specified. For example, the various information shown in each drawing is not limited to the illustrated information.

Also, each component of each device illustrated is functionally conceptual, and does not necessarily need to be physically configured as illustrated. In other words, the specific form of distribution and integration of each device is not limited to the illustrated one, and all or part of them can be functionally or physically distributed and integrated in arbitrary units according to various loads and usage conditions. Can be integrated and configured.

Moreover, each of the embodiments described above can be appropriately combined within a range that does not contradict the processing contents.

[5. effect〕
As described above, the provision device according to the present invention has a provision section and a display control section. The providing unit provides main information including elements that change with time, and a graph showing temporal changes in each element that constitutes the main information. The display control unit causes the user terminal used by the user to display the main information and the graph, and controls the display of the main information and the graph according to the user's operation. When displaying the graph, the display control unit displays an icon for instructing a change in the time point at a position on the graph corresponding to the reference time point, and the icon display position is centered on the icon display position. The closer the icon is, the smaller the time increment width is, and the farther the icon is from the display position, the larger the time increment width is.

As a result, the user can easily select a desired time point on the graph by intuitive operation of the icon, and can grasp in detail the main information before and after the selected time point. Therefore, convenience for the user can be improved.

The information providing device 10 according to the embodiment also includes an acquisition unit 41 , a reception unit 42 , a search unit 43 , a provision unit 44 and a display control unit 45 . The acquisition unit 41 acquires information such as map information and road traffic information. The receiving unit 42 receives a route search request from a user. The search unit 43 searches for a route for the user to travel from the departure point to the destination at each of a plurality of points in time within a predetermined period. The providing unit 44 provides route information indicating changes in each movement mode on the route searched by the searching unit 43 at each point in time. In addition, the providing unit 44 provides route information indicating changes in at least one of the toll for using the route, the distance traveled along the route, the time required for the route, and the state of congestion on the route. In addition, the providing unit 44 determines the distance of traffic congestion that occurs on the route, the degree of traffic congestion that occurs on the route, the ratio of the portion of the route where traffic congestion occurs, and the traffic congestion that occurs on the route, and the moving body boarded by the user is involved in the traffic congestion that occurs on the route. It provides route information that indicates changes in at least one of time and the distance that the moving object is involved in traffic jams that occur along the route. The display control unit 45 causes the terminal device 100 used by the user to display the route information, and controls the display of the route information according to the user's operation.

As a result, the information providing apparatus 10 according to the embodiment enables the user to grasp the optimum route without getting stuck in traffic during the period before and after the departure date and time set by the user himself/herself. The user can grasp the change of movement mode. In addition, since the user can grasp the congestion situation in detail, he/she can take appropriate countermeasures.

Further, in the information providing apparatus 10 according to the embodiment, for example, the search unit 43 searches for a route based on the state of the route predicted at each point in time for each of a plurality of points in time. In addition, the search unit 43 searches for the route with the shortest required time at each of the plurality of time points. Further, the search unit 43 searches for routes based on common search conditions set by the user for each of a plurality of points in time.

As a result, the information providing apparatus 10 according to the embodiment can search for a route corresponding to each point in time, so that the user can grasp changes in movement modes on a plurality of routes.

In the information providing apparatus 10 according to the embodiment, for example, the display control unit 45 causes the terminal device 100 used by the user to display the route information, and controls the display of the route information according to the user's operation. In addition, the display control unit 45 displays a time axis corresponding to a reference point of time among a plurality of points of time, a time axis corresponding to other points of time, and a movement mode of a route searched for a point of time corresponding to each time axis. Display a graph showing the value shown. In addition, the display control unit 45 displays map information indicating the searched route at the point in time selected by the user from among the plurality of points in time. In addition, the display control unit 45 displays information indicating the mode of movement when the point of time selected by the user from among the plurality of points of time is set as the departure date and time. In addition, the display control unit 45 controls the display mode of the route indicated by the map information according to the movement mode on the route. In addition, the display control unit 45 displays a graph based on a point in time selected by the user from among the plurality of points in time.

As a result, the information providing apparatus 10 according to the embodiment can control the display of route information according to an intuitive operation, thereby improving convenience for the user.

Further, in the information providing apparatus 10 according to the embodiment, for example, the providing unit 44 provides route information including map information indicating routes and graphs indicating changes in movement modes at a plurality of points in time. Then, the display control unit 45 controls the display of the route indicated by the map information according to the user's operation on the graph. Further, the search unit 43 searches for routes at each of a plurality of points in time within a predetermined period including the present point. Then, the display control unit 45 displays a graph based on the current time. Further, the search unit 43 searches for routes at each of a plurality of points in time within a predetermined period including the point in time set as the departure date and time from the departure point. Then, the display control unit 45 displays a graph based on the departure date and time. In addition, the search unit 43 searches for a route at each of a plurality of points in time within a predetermined period including the point in time set as the date and time of arrival at the destination. Then, the display control unit 45 displays a graph based on the arrival date and time.

As a result, the information providing apparatus 10 according to the embodiment can display the route information according to the search conditions specified by the user, thereby improving convenience for the user.

[6. Hardware configuration]
Further, the information providing apparatus 10 according to each embodiment described above is realized by, for example, a computer 1000 configured as shown in FIG. The information providing device 10 will be described below as an example. FIG. 10 is a hardware configuration diagram showing an example of a computer that implements the functions of the information providing apparatus. Computer 1000 has CPU 1100 , ROM 1200 , RAM 1300 , HDD 1400 , communication interface (I/F) 1500 , input/output interface (I/F) 1600 and media interface (I/F) 1700 .

The CPU 1100 operates based on programs stored in the ROM 1200 or HDD 1400 and controls each section. The ROM 1200 stores a boot program executed by the CPU 1100 when the computer 1000 is started, programs dependent on the hardware of the computer 1000, and the like.

The HDD 1400 stores programs executed by the CPU 1100, data used by the programs, and the like. Communication interface 1500 receives data from another device via communication network 500 (corresponding to network N in the embodiment) and sends it to CPU 1100, and also transmits data generated by CPU 1100 via communication network 500 to other devices. Send to device.

The CPU 1100 controls output devices such as displays and printers, and input devices such as keyboards and mice, through an input/output interface 1600 . CPU 1100 acquires data from an input device via input/output interface 1600 . Also, CPU 1100 outputs the generated data to an output device via input/output interface 1600 .

Media interface 1700 reads programs or data stored in recording medium 1800 and provides them to CPU 1100 via RAM 1300 . CPU 1100 loads such a program from recording medium 1800 onto RAM 1300 via media interface 1700, and executes the loaded program. The recording medium 1800 is, for example, an optical recording medium such as a DVD (Digital Versatile Disc) or a PD (Phase change rewritable disc), a magneto-optical recording medium such as an MO (Magneto-Optical disk), a tape medium, a magnetic recording medium, or a semiconductor memory. etc.

For example, when the computer 1000 functions as the information providing device 10 , the CPU 1100 of the computer 1000 implements the functions of the control unit 40 by executing programs loaded on the RAM 1300 . Further, each data in the storage device of the information providing apparatus 10 is stored in the HDD 1400 . CPU 1100 of computer 1000 reads these programs from recording medium 1800 and executes them, but as another example, these programs may be obtained from another device via predetermined communication network 500 .

[7. others〕
As described above, some of the embodiments of the present application have been described in detail based on the drawings. It is possible to carry out the invention in other forms with modifications.

Further, the configuration of the information providing apparatus 10 described above can be flexibly changed, for example, by calling an external platform or the like using an API (Application Programming Interface) or network computing depending on the function.

In addition, the "unit" described in the claims can be read as "means", "circuit", or the like. For example, the acquisition unit can be read as acquisition means or an acquisition circuit.

10 information providing device 20 communication unit 30 storage unit 31 user information database 32 road traffic information database 40 control unit 41 acquisition unit 42 reception unit 43 search unit 44 provision unit 45 display control unit 100 terminal device 200 external server IC11 to IC13, IC21 , IC22 icon

Claims (6)

a providing unit that provides main information including elements that change with time, and a graph showing temporal changes of the respective elements that make up the main information;
a display control unit that displays the main information and the graph on a user terminal used by the user, and controls the display of the main information and the graph according to the operation of the user;
The display control unit
An icon for instructing a change in time is displayed at a position on the graph corresponding to the reference time, and the closer the icon display position is to the icon display position, the smaller the time step width. , a providing device for displaying the graph by increasing the time interval width at a position farther from the display position of the icon. The providing device according to claim 1,
further comprising a search unit that searches for a route for the user to move from the departure point to the destination for each of a plurality of points in time included in a predetermined period;
the main information includes map information indicating the route;
The graph is a graph showing temporal changes in each movement mode on the route,
The display control unit displays the route indicated by the map information and the graph in accordance with the input of the date and time of departure from the departure point or the date and time of arrival at the destination, or the operation of the icon by the user. A provision device that controls the In the providing device according to claim 2,
The mode of movement is any one of traffic information on the route, fees for using the route, distance traveled on the route, time required for the route, and congestion occurring on the route. . In the providing device according to claim 3,
The congestion status includes the distance of traffic congestion occurring on the route, the degree of traffic congestion, the ratio of the portion of the route where the traffic congestion occurs, the time during which the mobile body boarding the user is involved in the traffic congestion, and A providing device that is at least one of distances at which the moving object is involved in the traffic jam. A method of providing information by a computer, comprising:
The computer comprises a providing unit and a display control unit,
a providing step in which the providing unit provides main information including elements that change with time, and a graph showing temporal changes in the respective elements that make up the main information;
a display control step in which the display control unit displays the main information and the graph on a user terminal used by the user, and controls the display of the main information and the graph according to the user's operation; carry out
In the display control step, the display control unit displays an icon for instructing a change of the time point at a position on the graph corresponding to the reference time point, and the icon display position is the center. A providing method for displaying the graph with a smaller time step size at a position closer to the display position of the icon and a larger time step size at a position farther from the display position of the icon. A providing program readable and executable by a computer,
A providing program that causes the computer to function as the providing device according to any one of claims 1 to 4.

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