JP5063676B2 - Web server, method and system for transmitting query suggestions to portable terminal - Google Patents

Description

  The present invention relates to a Web server, method, and system for transmitting a query suggestion to a mobile terminal.

  2. Description of the Related Art Conventionally, a technique related to query suggestion in a search site that determines a user's intention according to a query input by the user and displays candidate queries that are considered appropriate is known. As a result, the user can efficiently obtain desired information simply by selecting a query candidate displayed on the terminal. Moreover, the information provider can efficiently provide the information provided by the information provider to a user who wants the information.

  On the other hand, recent portable terminals have a GPS function, a function of easily acquiring position information of the terminal based on a positional relationship with the base station, and the like as functions for acquiring the position information of the terminal. And a portable terminal can receive the information relevant to the circumference | surroundings of the position where the portable terminal exists, for example, information, such as a map of a periphery, a shop, from a web server by transmitting the positional information on the said portable terminal to a web server. .

  Furthermore, in recent years, a new standard for the http protocol has been proposed. The conventional http protocol is based on the fact that a Web server returns a Web page in response to a page request from a terminal. On the other hand, in the new standard, it has been proposed that a Web page can be pseudo-pushed from a Web server to a terminal at an arbitrary timing (for example, Non-Patent Document 1).

"Thorough commentary on HTML5 and Comet break through the limits of the Web!", Nikkei NETWORK, September 2009, pages 20-35, Nikkei BP,

  By the way, in the above-described query suggestion technique, the terminal starts operating only when any query input is received from the user. Therefore, even if the above-mentioned new standard is simply applied to the above-mentioned query suggestion technology, the Web server cannot provide information until the user inputs some query to the terminal and the terminal accepts the input. There is no change. That is, even in the new standard, the terminal cannot display any information unless the user inputs a query.

  Therefore, the present invention provides a Web server, a method, and a system that efficiently transmit a query suggestion to a mobile terminal without using a new standard of http that has been popular in recent years, even if a user does not input a query to the mobile terminal. The purpose is to do.

  The present invention provides the following solutions.

  (1) a query log storage unit that stores the received query in association with the received location information of the mobile terminal in response to receiving the query together with the location information of the mobile terminal from the mobile terminal; A page request receiving means for repeatedly receiving a page request for requesting a query suggestion together with position information of the other mobile terminal from different mobile terminals, and receiving the page request repeatedly and repeatedly. Accordingly, at a predetermined timing, a query extraction means for extracting a query stored in association with position information indicating a position in the vicinity of the position indicated by the position information received from the other mobile terminal, and the query extraction means In response to the extraction of the query, the extracted query is transmitted to the other mobile terminal as a query suggestion. Web server and a query suggestion transmission means.

  According to the invention described in (1), the Web server stores the mobile terminal in the query log storage unit at a predetermined timing with respect to “another mobile terminal” that repeatedly performs only the query suggestion without transmitting a query. The query stored in association with the position information indicating the position in the vicinity of the position indicated by the position information received from the “other portable terminal” is extracted from the queries stored together with the position information of Send as query suggestion. Thereby, even if the user of another portable terminal does not input a query to the other portable terminal, it is possible to provide a Web server that efficiently transmits a query suggestion to the other portable terminal.

  (2) The Web server according to (1), wherein the query extraction unit has a predetermined position indicated by the position information of the other portable terminal that the page request reception unit repeatedly and continuously receives with the page request. A Web server that extracts a query when it is within a predetermined range for more than a time.

  According to the invention described in (2), the Web server has a movement speed of the other portable terminal within a predetermined range or a movement relative to the “other portable terminal” that has transmitted the page request. The query extracted by the query extraction means is transmitted as a query suggestion at the timing when the above has almost stopped. As a result, at the timing of switching from high-speed movement such as a train or car to walking, or when the movement ends and arrives at the destination, the user of “another mobile terminal” thinks of an appropriate query at the destination. Even if it does not float and an appropriate query cannot be input to the other mobile terminal, it is possible to provide a Web server that efficiently transmits a query suggestion to the other mobile terminal.

  (3) A method in which a Web server transmits a query suggestion to a mobile terminal that requests a query suggestion, and the Web server receives a query from the mobile terminal together with location information of the mobile terminal. A query storage step for storing the query in association with the received location of the mobile terminal, and a query from the other mobile terminal that is different from the mobile terminal, together with the location information of the other mobile terminal. A page request receiving step for repeatedly receiving a page request for requesting a suggestion, and the Web server receiving the page request repeatedly and continuously. Position information indicating a position near the position indicated by the position information received from the mobile terminal. A query extracting step for extracting the stored query, and a query for transmitting the extracted query as a query suggestion to the other mobile terminal in response to the Web server extracting the query in the query extracting step. A suggestion sending step.

  (4) A mobile terminal that transmits a query, a Web server that receives a query from the mobile terminal, and another mobile terminal that is different from the mobile terminal and that requests a query suggestion from the Web server The mobile server includes a mobile terminal, and the Web server transmits a query suggestion to the other mobile terminal, and the mobile terminal transmits a query to the Web server together with position information of the mobile terminal. A query log comprising query sending means, wherein the Web server stores the received query in association with the received location of the mobile terminal in response to receiving the query from the mobile terminal together with location information of the mobile terminal The other portable terminal includes a storage unit, and the Web server, along with the position information of the other portable terminal, Page request transmitting means for repeatedly and continuously transmitting a page request for requesting an eligibility, wherein the Web server continuously repeats the page request from the other portable terminal together with the position information of the other portable terminal. Position information indicating a position in the vicinity of the position indicated by the position information received from the other mobile terminal at a predetermined timing in response to receiving the page request repeatedly and continuously. Query extracting means for extracting a query stored in association with the query query sending means for sending the extracted query as a query suggestion to the other portable terminal in response to the query extracting means extracting the query; The other mobile terminal further includes the query server from the Web server. A system further comprising query suggestion display means for receiving a gesture and displaying the received query suggestion.

  According to the method described in (3), the same effect as in (1) can be expected by performing the method. Further, according to the system described in (4), the same effect as in (1) can be expected by implementing the system.

  ADVANTAGE OF THE INVENTION According to this invention, even if a user does not input a query into a portable terminal, the Web server, method, and system which transmit a query suggestion efficiently to the portable terminal can be provided.

It is a figure which shows the whole structure for demonstrating the system 1 and Web server 2 which concern on this embodiment. It is a figure which shows the query log database 21 which concerns on this embodiment. It is a figure which shows the page request temporary storage area 22 which concerns on this embodiment. It is a flowchart which shows the flow of a process in the Web server 2 which concerns on this embodiment. It is a figure which shows the example of a display on the screen 30 of the portable terminal 3 when the system 1, Web server 2, and method which transmit query suggestion based on this embodiment are implemented. It is a figure which shows the example of a display on the screen 40 of the other portable terminal 4 when the system 1, Web server 2, and method which transmit query suggestion based on this embodiment are implemented. It is a figure which shows the modification of FIG. It is a figure following FIG. 6 or FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[overall structure]
FIG. 1 is a diagram showing an overall configuration for explaining a system 1 and a Web server 2 according to the present embodiment. The system 1 is connected to the Web server 2 via a communication network (not shown) and the mobile server 3a, 3b, 3c (hereinafter, unless otherwise specified). And a portable terminal 4 different from the portable terminal 3. The mobile terminal 3 and the other mobile terminals 4 do not ask the type as long as the mobile terminal 3 can acquire the location information of the mobile terminal itself and can make a query suggestion to the Web server 2 together with the location information. For example, the mobile terminal 3 and the other mobile terminal 4 may be mobile phones or PDAs.

  First, the configuration of the Web server 2 will be described. The Web server 2 includes a control unit 10 and a storage unit 20. The control unit 10 is a part that comprehensively controls each function related to the Web server 2, and receives a query from the mobile terminal 3 (3 a, 3 b, 3 c...) Together with the location information of the mobile terminal 3. And a query log storage unit 12 that stores the received query in association with the received position of the mobile terminal 3 in response to the reception of the query receiving unit 11. The storage unit 20 includes a query log database 21 that stores a query instructed by the query log storage unit 12 in association with the position of the mobile terminal 3. The query receiving unit 11, the query log storage unit 12, and the query log database 21 function as a query log storage unit.

  In addition, the control unit 10 repeatedly receives a page request for requesting a query suggestion together with the position information of the other mobile terminal 4 from another mobile terminal 4 different from the mobile terminal 3. Is provided. The storage unit 20 includes a page request temporary storage area 22 that temporarily stores the page request received by the page request reception unit 13. The page request receiving unit 13 and the page request temporary storage area 22 function as a page request receiving unit.

  Further, the control unit 10 repeats and continuously receives the page request, and the position indicated by the position information received from the other mobile terminal 4 among the queries stored in the query log database 21 at a predetermined timing. A query extracting unit 14 is provided for extracting a query stored in association with position information indicating a position in the vicinity of. The query extraction unit 14 functions as a query extraction unit.

  And the control part 10 is equipped with the query suggestion transmission part 15 which transmits the query extracted by the query extraction part 14 to other portable terminals 4 as a query suggestion. The query suggestion transmission unit 15 functions as a query suggestion transmission unit.

  By the way, the other portable terminal 4 requests a query suggestion from the Web server 2 but does not transmit a query at that time. That is, the user requests a query suggestion to the other portable terminal 4 without inputting a query. Further, the page request receiving unit 13 receives the page request by “repeatingly continuing”. This is realized by using a technology that enables pseudo-push transmission of a web page from a web server to a terminal at an arbitrary timing, that is, HTML5 and Comet.

  The page request temporary storage area 22 stores the page request received by the page request receiving unit 13 “temporarily”.

  The query extraction unit 14 performs query extraction at “predetermined timing”. This “predetermined timing” indicates that the movement speed of the other mobile terminal 4 is within a predetermined range or other mobile terminal. The position indicated by the position information of the other mobile terminal 4 that the page request receiving unit 13 repeatedly and continuously received with the page request is a predetermined time or longer (for example, 1 minute or longer) The timing is preferably within a range (for example, within a radius of 10 m). Whether it is “predetermined timing” is determined by the query extraction unit 14 referring to the page request temporary storage area 14.

  The query extraction unit 14 also stores a query stored in association with the position information indicating the “neighboring position” of the position indicated by the position information received from the other mobile terminal 4 among the queries stored in the query log database 21. The “neighboring position” may be determined in advance so as to be within a radius of 500 m and within a radius of 1 km, or may be arbitrarily selected from a plurality of ranges by a user of another mobile terminal 4. Good. In FIG. 1, the mobile terminals 3 a to 3 e located within a predetermined radius from the other mobile terminals 4 are mobile terminals in “neighboring positions”, and the mobile terminals 3 f and 3 g located beyond the predetermined radius are It is positioned as a mobile terminal that is not in the “neighboring position”.

  Next, the structure of the portable terminal 3 and the other portable terminal 4 is demonstrated. Each of the mobile terminal 3 and the other mobile terminal 4 has a location information acquisition unit (not shown) that acquires location information of the mobile terminal itself and the location information acquired by the location information acquisition unit with respect to the Web server 2. Together with a query transmission unit (not shown) that transmits a query, and a page request transmission unit that repeatedly transmits to the Web server 2 a page request that requests a query suggestion together with the position information acquired by the position information acquisition unit ( (Not shown). The location information acquisition unit and the query transmission unit function as a query transmission unit of the mobile terminal 3, and the location information acquisition unit and the page request transmission unit function as a page request transmission unit of the other mobile terminal 4.

  FIG. 2 is a diagram showing the query log database 21. The query log database 21 includes a “query identification number” field for identifying a query received by the query receiving unit 11 by a number, a “query” field indicating a query actually received by the query receiving unit 11, and the query receiving unit 11. Has a “position” field indicating the position of the mobile terminal 3 when the query is received, and a “time” field indicating the time when the query receiving unit 11 receives the query. In the example of FIG. 2, the position of the mobile terminal 3 is specified by latitude and longitude, but is not limited thereto.

  FIG. 3 is a diagram showing the page request temporary storage area 22. The page request temporary storage area 22 includes a “terminal ID” field for individually identifying other portable terminals 4 that repeatedly transmit a page request to the page request receiving unit 13, and a page request receiving unit 13 It has a “position” field indicating the position of another mobile terminal 4 when the page request is received, and a “time” field indicating the time at that time. In the example of FIG. 3 as well, the position of the other mobile terminal 4 is specified by the latitude and longitude, but the present invention is not limited to this.

[Hardware and Software Configuration of this Embodiment]
This embodiment is applied to a computer and its peripheral devices. Each means (each unit) in the present embodiment is configured by hardware included in a computer and its peripheral devices, and software that controls the hardware.

  The hardware includes a CPU as a control device (control unit), a storage device (storage unit), a communication device (communication unit), a display device (display unit), and an input device (input unit). Examples of the storage device (storage unit) include a memory (RAM, ROM, etc.), a hard disk drive (HDD), and an optical disk (CD, DVD, etc.) drive. Examples of the communication device (communication unit) include various wired and wireless interface devices. Examples of the display device (display unit) include various displays such as a liquid crystal display and a plasma display. Examples of the input device (input unit) include a keyboard and a pointing device (such as a mouse).

  The software includes a computer program and data for controlling the hardware. The computer program and data are stored in a storage device (storage unit), and are appropriately executed and referenced by a control device (control unit). Further, the computer program and data can be distributed via a communication line, and can also be recorded and distributed on a computer-readable medium such as a CD-ROM.

[Processing flow]
FIG. 4 is a flowchart showing the flow of processing in the Web server 2 according to this embodiment.

  In step S1, the control unit 10 determines whether the query receiving unit 11 has received a query from any one of the mobile terminals 3a, 3b, 3c,... Along with the position information of the mobile terminals 3a, 3b, 3c,. Is determined. When this determination is YES, the control unit 10 moves the process to step S2, and when NO, the control unit 10 moves the process to step S3.

  In step S <b> 2, the query log storage unit 12 stores the query received by the query receiving unit 11 in the query log database 21 in association with the received position of the mobile terminal 3.

  In step S <b> 3, the control unit 10 determines whether or not the page request receiving unit 13 has received a page request for requesting a query suggestion from the other mobile terminal 4 together with the position information of the other mobile terminal 4. In the present embodiment, since HTML5 and Comet are used, the page request reception unit 13 can repeatedly and continuously receive page requests. When this determination is YES, the control unit 10 moves the process to step S4, and when NO, the control unit 10 moves the process to step S5.

  In step S4, the control unit 10 requests the page request temporary storage area 22 for a terminal ID for identifying the other portable terminal 4 that has transmitted the page request, the position information of the other portable terminal 4, and the page request. Remember the time.

  In step S5, the query extraction unit 14 determines whether it is a predetermined timing. In the present embodiment, the query extraction unit 14 refers to the page request temporary storage area 22, and the position indicated by the position information of the other portable terminal 4 received by the page request reception unit 13 repeatedly and continuously with the page request is a predetermined time. Whether or not it is within the predetermined range is determined. When this determination is YES, the control unit 10 moves the process to step S6, and when NO, the control unit 10 returns the process to step S1. The conditions for this determination can be designed in various ways. For example, it may be set when the position of the other portable terminal 4 is within a range of 1 m or more and a radius of 10 m. Alternatively, assuming that the user has switched from high-speed movement by train or car to walking, the movement distance of the position of the other portable terminal 4 may be 80 m or less per minute.

  In step S <b> 6, the query extraction unit 14 stores the query stored in association with the position information indicating the position in the vicinity of the position indicated by the position information received from the other mobile terminal 4 among the queries stored in the query log database 21. Extract.

  In step S <b> 7, the query suggestion transmission unit 15 transmits the query extracted by the query extraction unit 14 to another portable terminal 4 as a query suggestion. When this process ends, the control unit 10 returns the process to step S1.

[Example of System 1, Web Server 2 and Method According to this Embodiment]
FIG. 5 is a diagram showing a display example on the screen 30 of the portable terminal 3 when the system 1, the Web server 2 and the method for transmitting a query suggestion according to the present embodiment are implemented. 6-8 is a figure which shows the example of a display on the screen 40 of the other portable terminal 4 when the said system 1, Web server 2, and a method are implemented.

  First, FIG. 5 will be described. FIG. 5 is a diagram illustrating an image on the screen 30 of the mobile terminal 3, and is a diagram illustrating an image for transmitting a query from the mobile terminal 3 to the Web server 2. On the screen 30, characters “query input screen” are displayed, and below these characters, a query input area 31 for inputting a query is displayed. In this embodiment, as a query to be transmitted to the Web server 2, characters “◯ × Δ” are input in the query input area 31.

  A search button 32 for requesting the Web server 2 to search for the query input in the query input area 31 is displayed below the query input area 31. The user inputs the character “◯ × △” in the query input area 31 and then presses a decision button (not shown) of the mobile terminal 3 when the cursor is at the position of the search button 32, thereby The query “◯ × Δ” can be transmitted from 3 to the Web server 2 together with the location information of the mobile terminal 3.

  Next, FIGS. 6 and 7 will be described. FIG. 6 shows the screen 40 of the other portable terminal 4 when the “predetermined timing” is limited to a certain timing (for example, the timing when the position of the other portable terminal 4 is within a range of a radius of 10 minutes or more). It is a figure which shows the screen displayed, and is a figure which shows the screen for requesting | requiring the query suggestion of a surrounding area, without inputting a query with respect to Web server 2 from the other portable terminal 4. FIG. On the screen 40, a character “Do you want to request a query suggestion in the surrounding area?” Is displayed, and a request button 41 for requesting a query suggestion is displayed below this character. The user can request a query suggestion from the other portable terminal 4 to the Web server 2 by pressing a determination button (not shown) of the other portable terminal 4 when the cursor is at the position of the request button 41. .

  FIG. 7 is a diagram showing a screen displayed on the screen 40 of the other mobile terminal 4 when the “predetermined timing” is arbitrarily selected by the user. It is a figure which shows the screen for request | requiring the query suggestion of a surrounding area, without inputting a query with respect to it. On the screen 40, characters "Do you want to request a query suggestion for the surrounding area?" Are displayed. Below this character, a walking mode request button 42a in which "Request in walking mode" is described, and "Purpose" A destination arrival mode request button 42b described as “Request in Land Arrival Mode” and a numerical input mode request button 42c described as “Request in Numerical Input Mode” are displayed.

  The user presses a determination button (not shown) of another portable terminal 4 when the cursor is at the position of the walking mode request button 42a, so that the user can walk from the other portable terminal 4 to the Web server 2 in the walking mode. You can request a query suggestion. In this walking mode, the Web server 2 returns a query suggestion to the other portable terminal 4 at a timing when the moving distance of the position of the other portable terminal 4 becomes 80 m or less in one minute.

  The user presses a determination button (not shown) of the other mobile terminal 4 when the cursor is at the destination arrival mode request button 42b, so that the target is sent from the other mobile terminal 4 to the Web server 2. You can request a query suggestion in the arrival mode. In this destination arrival mode, the Web server 2 returns a query suggestion to the other portable terminal 4 when the timing of the position of the other portable terminal 4 is within a range of 1 m or more and a radius of 10 m.

  The user inputs a numerical value from the other portable terminal 4 to the Web server 2 by pressing a determination button (not shown) of the other portable terminal 4 when the cursor is at the position of the numerical value input mode request button 42c. You can request query suggestions in mode. In this numerical value input mode, the user of the other portable terminal 4 inputs the timing at which the Web server 2 returns a query suggestion to the other portable terminal 4. Specifically, the user of the other mobile terminal 4 inputs a numerical value indicating how many meters or less the moving distance of the position of the other mobile terminal 4 is within 1 minute.

  The screens shown in FIGS. 6 and 7 may be displayed when another mobile terminal 4 having a Web browser that supports HTML5 and Comet receives a predetermined operation from the user. In this case, the other portable terminal 4 thereafter transmits a page request for requesting a query suggestion to the Web server 2 continuously and repeatedly. Alternatively, the other portable terminal 4 can continuously repeat the position of the other portable terminal 4 only by the user operating the web browser in response to receiving a setting operation of a predetermined mode from the user in advance. The information shown in FIG. 6 may be automatically displayed when the information shown is transmitted to the Web server 2 and the other portable terminal 4 is in a position within a predetermined range for a predetermined time or more. By doing in this way, the other portable terminal 4 repeatedly continues to transmit a page request for requesting a query suggestion to the Web server 2.

  Next, FIG. 8 will be described. FIG. 8 is a diagram showing a screen displayed on the screen 40 of another mobile terminal 4, and is a diagram showing a screen about a query suggestion in the surrounding area transmitted from the Web server 2. On the screen 40, characters “query suggestion of surrounding area” are displayed, and a search button 43 a is displayed below the characters together with characters “◯ Δ □”. Further below, a search button 43b is displayed together with the characters “◯ □ ×”, and below that, a search button 43c is displayed together with the characters “□ ○ Δ”. The user sees this screen 40, and among the many portable terminals 3 (3a to 3g in the example of FIG. 1), the portable terminal 3 (3a in the example of FIG. 1) is in the vicinity of the other portable terminal 4. ˜3e), it can be grasped that the queries transmitted from “○ △ □”, “◯ □ ×”, and “□ ○ △”. Further, if the user presses the search button 43a, the user can request the Web server 2 to search for “◯ △ □” without inputting the query, and if the user presses the search button 43b, the user inputs the query. It is possible to request the Web server 2 to search for “◯ □ ×”. Further, if the user presses the search button 43c, the user can request the Web server 2 to search for “□ ○ Δ” without inputting a query.

  According to the present embodiment, the Web server 2 stores the mobile terminals 3a, 3b, and 3c in the query log database 21 at a predetermined timing with respect to other mobile terminals 4 that repeatedly perform only query suggestions without transmitting a query. .. Of the queries stored together with the location information of..., Only the query stored in association with the location information indicating the location in the vicinity of the location indicated by the location information received from the other mobile terminal 4 is extracted and extracted. Send the query as a query suggestion. Thereby, even if the user of the other mobile terminal 4 does not input a query to the other mobile terminal 4, the Web server 2 that efficiently transmits a query suggestion to the other mobile terminal 4 can be provided.

  In particular, the “predetermined timing” is a timing at which the position indicated by the position information of the other mobile terminal 4 that the page request receiving unit 13 repeatedly and continuously received with the page request is within a predetermined range for a predetermined time or more. As a result, the user of the other mobile terminal 4 comes up with an appropriate query at the destination at the timing of switching from high-speed movement such as a train or car to walking or at the timing of ending the movement and arriving at the destination. Therefore, even if it is a case where an appropriate query cannot be inputted into the other portable terminal 4, the Web server 2 that efficiently transmits a query suggestion to the other portable terminal 4 can be provided.

  In addition, the effect described in this embodiment only enumerated the most suitable effect which arises from this invention, and the effect by this invention is not limited to what was described in this embodiment.

DESCRIPTION OF SYMBOLS 1 System 2 Web server 3a-3g Portable terminal 4 Other portable terminals 10 Control part 11 Query reception part 12 Query log memory | storage part 13 Page request reception part 14 Query extraction part 15 Query suggestion transmission part 20 Storage part 21 Query log database 22 Page request temporary Storage area

Claims (4)

A query log storage means for storing the received query in association with the received location information of the mobile terminal in response to receiving the query together with the location information of the mobile terminal from the mobile terminal;
Page request receiving means for repeatedly receiving a page request for requesting a query suggestion together with position information of the other mobile terminal from another mobile terminal different from the mobile terminal;
In response to receiving the page request repeatedly and continuously, a query stored in association with position information indicating a position near the position indicated by the position information received from the other mobile terminal is extracted at a predetermined timing. Query extraction means to
A Web server comprising query suggestion transmission means for transmitting the extracted query as a query suggestion to the other portable terminal in response to the query extraction means extracting a query. The web server according to claim 1,
The query extracting means is a Web for extracting a query when the position indicated by the position information of the other portable terminal received by the page request receiving means repeatedly and continuously with the page request is within a predetermined range for a predetermined time or more. server. A method in which a Web server transmits a query suggestion to a mobile terminal that requests the query suggestion,
A query storage step of storing the received query in association with the received position of the mobile terminal in response to the Web server receiving a query from the mobile terminal together with the location information of the mobile terminal;
A page request receiving step in which the Web server repeatedly and continuously receives a page request for requesting a query suggestion together with position information of the other mobile terminal from another mobile terminal different from the mobile terminal;
Position information indicating a position in the vicinity of the position indicated by the position information received from the other portable terminal by the Web server at a predetermined timing in response to the Web server receiving the page request repeatedly. A query extraction step of extracting a query stored in association with
A query suggestion transmission step of transmitting the extracted query as a query suggestion to the other mobile terminal in response to the Web server extracting a query in the query extraction step. A mobile terminal that transmits a query, a Web server that receives a query from the mobile terminal, and another mobile terminal that is different from the mobile terminal and that requests a query suggestion from the Web server; And the Web server transmits a query suggestion to the other portable terminal,
The portable terminal is
Query transmission means for transmitting a query to the Web server together with the location information of the mobile terminal,
The web server
In response to receiving a query from the portable terminal together with the position information of the portable terminal, the received query includes a query log storage unit that stores the query in association with the received position of the portable terminal,
The other portable terminal is
A page request transmission means for repeatedly transmitting a page request for requesting a query suggestion together with the position information of the other portable terminal to the Web server,
The web server
A page request receiving means for repeatedly receiving the page request from the other mobile terminal together with the position information of the other mobile terminal,
In response to receiving the page request repeatedly and continuously, a query stored in association with position information indicating a position near the position indicated by the position information received from the other mobile terminal is extracted at a predetermined timing. Query extraction means to
In response to the query extraction means extracting a query, the query extraction means further comprises query suggestion transmission means for transmitting the extracted query as a query suggestion to the other portable terminal,
The other portable terminal is
A system further comprising query suggestion display means for receiving the query suggestion from the Web server and displaying the received query suggestion.

Images