JP2002342365A - Method, device and program for introducing recommended information and recording medium having the program recorded thereon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make suitable recommended information introducible even to a user on which there is no history information. SOLUTION: With respect to an introduction request from a client 5 having no history of access to a shopping mall 3, a recommended information introducing device 1 extracts from a database 2 the history information (taste data) of another client 6 having the history of access to the shopping mall 3 ranks the candidates of predetermined recommended information for introduction on the basis of this extracted history information and preferentially transmits the recommended information of high priority to the information terminal of the client 5. Besides, the recommended information introducing device 1 performs processing for a reward to the use of history information to the other client 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recommended information introducing method and apparatus for introducing recommended information on shopping sites and merchandise to a user via a wide area network.
The present invention relates to a recommended information extracting program and a recording medium on which the program is recorded.

[0002]

2. Description of the Related Art Conventionally, when introducing recommended information about a shopping site or the like in a shopping mall to a user through a wide area network such as the Internet, the site that the user has accessed and the purchased product have been used. The history information indicating the history of the user is stored, and based on the history information, information that is presumed to match the interest of the user is extracted and transmitted.

[0003]

However, in such a conventional system, recommended information cannot be extracted when there is no history information of the user. Therefore, there is a problem that appropriate information cannot be introduced to a user who tries to access the shopping mall for the first time.

[0004] The present invention has been made in view of the above, and it is an object of the present invention to provide appropriate recommendation to a user who has no history information or a user who cannot extract recommended information due to history information or the like. Recommended information introduction method and device that can introduce information, recommended information extraction program,
An object of the present invention is to provide a recording medium on which the program is recorded.

[0005]

In order to achieve the above object, a first recommended information introducing method according to the present invention is a recommended information introducing method for introducing recommended information relating to target information to a user. A prioritizing process for prioritizing predetermined recommended information candidates based on history information of other users in the community to which the user belongs; And transmitting the message to the user preferentially.

In the present invention, attention is paid to the fact that users belonging to the same community are interested in similar information, and the history information of other users in the community to which the user belongs is stored in the community. By assigning priorities to predetermined recommended information candidates based on the priority information, the recommended information with the higher priority is sent to the user with priority.
Since information that the user is likely to be interested in is transmitted with priority, appropriate recommendation information can be introduced to a user without history information.

In the recommended information introducing method, in the ranking process, other users are selected in descending order of the degree of relevance to the user, and the history information of other users is selected according to the selection order. It is characterized in that a candidate that matches a recommended information candidate is extracted from recorded target information, and priorities are assigned to the recommended information candidates in the order of the extraction.

[0008] In the present invention, other users are selected in the order of higher relevance to the user, and recommended information candidates are selected from target information recorded in the history information of the other users in that order. By extracting information that matches with, and prioritizing the recommended information candidates according to the order of extraction, it is possible to extract information that may be of interest to the user with considerable reliability Can be.

[0009] In the recommended information introducing method, the ranking process is performed when there are two or more target information items that are recorded in the history information of any one of the other users and match the recommended information candidates. Is characterized in that priorities are assigned in descending order of the number of accesses to the target information.

In the present invention, when there is two or more pieces of target information matching the recommendation information candidate in the history information of one other user, the priority order of the target information is set in descending order of the number of accesses. As a result, information that may be of interest to the user can be extracted with considerable reliability.

[0011] In the recommended information introducing method, in the ranking process, the number of accesses to each target information for each user is tabulated based on the history information of other users, and the recommendation is performed in descending order of the number of accesses. It is characterized in that target information matching with information candidates is extracted, and priority is given to recommended information candidates in the order of the extraction.

According to the present invention, target information matching candidate recommended information is extracted in the descending order of the number of times of access to each target information obtained by totaling all other users. By prioritizing the recommended information candidates according to the order of extraction, information that may be of interest to the user can be extracted with considerable reliability.

[0013] The recommended information introducing method is a process for rewarding other users who had target information matching the recommended information transmitted to the user in the transmission process in the history information. Is performed.

According to the present invention, since a reward is given to another user who uses the history information, the active provision of information from the other user can be encouraged.

[0015] This recommended information introducing method is a method for introducing, in a community to which the user belongs, target information recorded in the history information of another user who is not belonging to the community having an access history. And selecting the target information excluding the target information recorded in the history information of the other users in the community from the target information recorded in the history information of the other user selected here. And transmitting the extracted target information to the user as recommended information.

According to the present invention, for the target information (original information) recorded in the history information of another user, another user who does not belong to the community having the access history is selected. By extracting the target information excluding the original information from the target information recorded in the other user's history information and transmitting it as recommended information, any user belonging to the same community can be used. Information that the user may not be able to access and is likely to be of interest to the user, so that appropriate recommendation information can be introduced to users without history information. it can.

This recommended information introducing method is characterized in that the number of accesses is totalized for each target information extracted by the above-mentioned extraction processing, and a ranking process for giving a transmission priority in descending order of the number of accesses is executed. .

According to the present invention, priorities are assigned in descending order of the total number of times of access to the extracted target information, so that information which may be of interest to the user can be displayed with considerable reliability. Can be extracted.

A recommended information introducing device according to a second aspect of the present invention is a recommended information introducing device for introducing recommended information on target information to a user, and is a predetermined recommended information to be introduced. Storage means for storing information candidates; ranking means for prioritizing recommended information candidates based on history information of other users in the community to which the user belongs; Transmitting means for transmitting high recommendation information to the user preferentially.

In the recommended information introducing apparatus, the ranking means selects other users in descending order of the degree of relevance to the user, and adds the other users to the history information of other users according to the selection order. It is characterized in that a candidate that matches a recommended information candidate is extracted from recorded target information, and priorities are assigned to the recommended information candidates in the order of the extraction.

In the recommended information introducing apparatus, the ranking means may be used when two or more target information recorded in the history information of any one of the other users matches the recommended information candidate. Is characterized in that priorities are assigned in descending order of the number of accesses to the target information.

In the recommended information introducing apparatus, the ranking means totals the number of times of access to each target information for each user based on the history information of other users, and recommends in descending order of the number of times of access. It is characterized in that target information matching with information candidates is extracted, and priority is given to recommended information candidates in the order of the extraction.

[0023] The recommended information introducing apparatus is a process for rewarding other users who have the target information matching the recommended information transmitted to the user by the transmitting means in the history information. Is provided.

[0024] The recommended information introducing apparatus may further include a target information recorded in the history information of another user in the community to which the user belongs, and further use other than those belonging to the community having the access history. And selecting the target information excluding the target information recorded in the history information of the other users in the community from the target information recorded in the history information of the other user selected here. And transmitting means for transmitting the extracted target information to the user as recommended information.

[0025] The recommended information introducing apparatus is characterized in that it has a ranking means for totalizing the number of accesses for each target information extracted by the extracting means and assigning a transmission priority in descending order of the number of accesses.

A third recommended information introduction program according to the present invention is a recommended information introduction program for introducing recommended information on target information to a user, to which the user belongs. A prioritization process for prioritizing predetermined recommended information candidates based on the history information of other users in the community, and transmission of preferentially transmitting recommended information with higher priority to that user And causing the computer to execute the processing.

According to the present invention, predetermined recommendation information candidates are prioritized based on the history information of other users in a community to which a user having no history information belongs. The present method can be realized by installing a recommended information introduction program for executing the present method in which recommended information having a high rank is preferentially transmitted to the user on a computer.

In the recommended information introduction program, in the ranking process, other users are selected in descending order of the degree of relevance with the user, and the history information of other users is selected according to the selection order. It is characterized in that a candidate that matches a recommended information candidate is extracted from recorded target information, and priorities are assigned to the recommended information candidates in the order of the extraction.

In the recommended information introduction program, the ranking process is performed when two or more target information items that are recorded in the history information of any one other user match the recommended information candidates. Is characterized in that priorities are assigned in descending order of the number of accesses to the target information.

In the recommended information introduction program, the ranking process includes counting the number of accesses to each target information for each user based on the history information of the other users, and recommending the information in descending order of the number of accesses. It is characterized in that target information matching with information candidates is extracted, and priority is given to recommended information candidates in the order of the extraction.

The recommended information introduction program is a program for a user who belongs to a community to which the user belongs and records target information recorded in the history information of another user. And selecting the target information excluding the target information recorded in the history information of the other users in the community from the target information recorded in the history information of the other user selected here. And transmitting the extracted target information to the user as recommended information.

According to a fourth aspect of the present invention, there is provided a recording medium storing a recommended information introducing program according to the present invention, wherein any of the recommended information introducing programs described in the third aspect is stored.

According to the present invention, the distribution of the information introduction program can be improved by recording on the recording medium.

[0034]

Embodiments of the present invention will be described below with reference to the drawings.

[First Embodiment] FIG. 1 is a diagram showing an entire configuration of a system to which a recommended information introducing device according to an embodiment is applied. Recommended information introduction device 1 in the same figure
Is a configuration including a database 2 and communicates with each shopping site A to Z included in the shopping mall 3 and the information terminal of each client (user) in the community 4 via a wide area network such as the Internet. It is possible.

The community 4 is a place for an information exchange service on the network, and corresponds to, for example, a mailing list or an electronic bulletin board. Each client is a user of the same community 4 and is roughly classified into a client 5 that has never accessed the shopping mall 3 and another client 6 that has accessed the shopping mall 3.

The recommended information introducing device 1 is constituted by a computer system, and the processing is executed by a computer program. The program is installed in the computer system by inserting the recording medium storing the program into a predetermined slot of the computer system, and the program is installed in the computer system by downloading via a network.

Here, the recording medium refers to a computer-readable medium such as a floppy (registered trademark) disk, a CD-ROM, and a semiconductor memory.

Next, an outline of the overall processing of the present system will be described.

First, the client 5 requests the recommended information introducing device 1 to introduce recommended information on the shopping mall 3. This request is made using e-mail or the like.

The recommended information introducing device 1 stores history information (preference data) when another client 6 accesses the shopping mall 3 in the database 2 in advance, and extracts the history information from the database 2.

Then, as described later, the client 5
In order to introduce the recommended information, a priority is assigned to the recommended information candidate determined in advance based on the extracted history information, and the recommended information having a higher priority is preferentially transmitted to the information terminal of the client 5. .

The client 5 accesses a shopping site in the shopping mall 3 with reference to the transmitted recommended information and purchases a product.

The operator of the shopping mall 3 pays an introduction fee to the operator of the recommended information introducing device 1,
The operator of the recommended information introducing device 1 gives a reward to the other clients 6, such as payment of the usage fee of the history information.

Hereinafter, a case will be described in which the address of the shopping site (hereinafter, appropriately referred to as “information ID”) is used as the target information of the recommended information to be introduced to the client 5.

FIG. 2 is a diagram showing a list of information IDs.
The database 2 manages the addresses of the shopping sites AZ using this list.

FIG. 3 is a diagram showing a list of information ID candidates to be introduced. The database 2 manages information IDs of shopping site candidates predetermined for introduction by using this list. Here, the addresses of site A, site B, and site C are candidates for recommended information.

FIG. 4 is a diagram showing a list of the degree of association between clients in the community 4 (hereinafter referred to as “degree of association”). In FIG.
Is an ID for identifying each client (hereinafter simply referred to as “identification ID”), and the related client identification I
D is the identification ID of another client in the same community. The degree of association between clients is determined by, for example, the number of messages that the client has sent to other clients. The database 2 manages the relevance of each client using this list.

FIG. 5 is a diagram showing a data structure of history information in which an access history to the shopping mall 3 is recorded. The database 2 manages the number of accesses to each shopping site for each client using this list. Here, for the client whose identification ID is 1,
It is assumed that no shopping site in the shopping mall 3 has been accessed. Also, the identification ID
Are clients belonging to the same community 4, and clients whose identification IDs are 6 or later do not belong to this community 4.

Next, a description will be given of a process of introducing recommended information candidates with priorities.

The recommended information introducing device 1 introduces recommended information to a client whose identification ID is 1
First, using the list of the degree of association shown in FIG. 4, the identification IDs of other clients belonging to the same community 4 as the client with the identification ID of 1 are sorted in descending order of the degree of association with the client with the ID of 1. Make a selection. Here, the identification IDs are selected in the order of 5, 2, 4, and 3.

Subsequently, for the clients having the identification IDs of 5, 2, 4, and 3, the recommended information shown in FIG. 2 among the information IDs recorded in the history information shown in FIG. Are extracted that match the candidate.

Here, since the information ID of the client with the identification ID 5 is site Y and site Z, this is not applicable.
Is not applicable since the site ID is site D and site Y, and the information ID for the client with the identification ID 4 is site A and the site A is extracted because the site X is the site X. The information ID for the client with the identification ID 3 is site C Therefore, site C is extracted.

In accordance with the order of the extraction, priority is given to the recommended information candidates. Here, the order is site A, site C, and site B.

When the number of pieces of recommended information to be introduced to the client with the identification ID 1 is set to one, the address of the site A is transmitted to the information terminal of the client as the recommended information. When the number of recommended information to be introduced is set to two, site A and site C
The address of is sent as recommended information.

Here, with respect to the information ID recorded in the history information of any one other client, if there are two or more that match the recommended information candidate, for example, the identification ID
In the case where the information IDs of the clients whose are 4 are site A and site C, the priorities are assigned in descending order of the number of accesses to the information ID.

Subsequently, after transmitting the recommended information, a process for rewarding the client having the information ID matching the recommended information in the history information is performed. Here, first, a process of grasping clients whose identification IDs are 3 and 4 as clients to be rewarded is performed.

Then, point addition processing of the point service to these clients, payment processing of usage fee, processing of delivery arrangement for gifting goods and the like are performed.

Next, another processing for introducing the recommended information candidates with priorities will be described.

The recommended information introducing device 1 totals the number of accesses to each information ID based on the history information shown in FIG. 5, and displays a list in which the information IDs are arranged in descending order of the number of accesses as shown in FIG. create. The access count in this list is obtained by adding the access count of each client. For example, for site Y, the identification ID is 2
And the number of access times of the clients 5 and 5 are added values.

Note that, in the creation of this list, the clients for which the number of accesses is counted are the same community 4
Only clients belonging to.
That is, clients whose identification IDs are 6 or later are not targeted.

Subsequently, information IDs that match the recommended information candidates in descending order of the number of accesses are extracted. Here, the site C whose access count is 3 and the site A whose access count is 2 are extracted in this order.

The recommended information introducing device 1 assigns priorities to recommended information candidates according to the order of the extraction. Here, the order is site C, site A, and site B.

Then, in the same manner as described above, the identification I
The high-priority recommended information is preferentially transmitted to the client D1.

Therefore, according to the present embodiment, each client belonging to the same community pays attention to interest in similar information, and the client 4 belonging to the community 4 to which the client 5 having no history information belongs has the same interest. Based on the history information of the other clients 6, predetermined recommended information candidates are prioritized, and the recommended information having a higher order is preferentially transmitted to the client 5. Since information that is likely to be interested is transmitted preferentially, appropriate recommendation information can be introduced to the client 5 having no history information.

According to the present embodiment, the other clients 6 are selected in descending order of the degree of relevance to the client 5, and the information I recorded in the history information of the other client 6 in that order.
By extracting candidates that match the recommended information candidates from D, and prioritizing the recommended information candidates according to the order of the extraction, the information that the client 5 is likely to be interested in is considerably equivalent. Can be extracted with high reliability.

According to the present embodiment, information I that matches the recommended information candidate in the history information of one other client 6
When D is two or more, the information IDs are prioritized in descending order of the number of accesses, so that information that the client 5 may be interested in can be extracted with considerable reliability.

According to the present embodiment, the information IDs that match the recommended information candidates in the descending order of the number of times of access to the information IDs of all the other clients 6 are extracted. , The priorities of the recommended information candidates are set according to the above, so that information that the user may be interested in can be extracted with considerable reliability.

According to the present embodiment, the process for rewarding the other client 6 using the history information is performed, so that the other client 6 can actively provide information. Can be encouraged.

In the present embodiment, first, the client 5 requests the recommended information introducing apparatus 1 to introduce recommended information, but this introduction request is not always necessary. For example, when the client 5 accesses the shopping mall 3, the information can be recognized and the recommended information introducing device 1 can transmit the recommended information to the client 5. The process of recognizing that the client 5 has accessed may be performed by, for example, the recommended information introducing device 1, or may notify the recommended information introducing device 1 that the recognition has been performed in the shopping mall 3. It may be.

[Second Embodiment] In the first embodiment, priorities of information ID candidates predetermined as recommended information are assigned based on history information of other clients in the same community. , Higher priority information I
D is preferentially transmitted. However, in this embodiment, in addition to this, an appropriate information ID which has not been accessed by any client in the same community can be transmitted as recommended information. It is characterized by having done.

The configuration of the entire system according to the present embodiment is the same as that of FIG. 1, and a description thereof will be omitted. The point that the history information shown in FIG. 5 is managed in the database 2 is the same as in the first embodiment.

Next, a process for extracting recommended information according to the present embodiment will be described with reference to FIG. Also in this figure, it is assumed that the recommendation information is transmitted to the client 5 whose identification ID has no access history to the shopping mall 3 and whose client ID is 1.

The recommended information introducing device 1 is based on the history information shown in FIG. 5, and the information accessed by the other clients 6 with the IDs 2 to 5 belonging to the same community 4 as the client 5 with the ID 1 Extract the ID. Here, sites A, C, D, X, Y, and Z are to be extracted.

The site ID extracted here does not belong to the community 4 having the access history.
Select another client later. FIG. 7 shows a state in which clients with identification IDs 6 to 10 are targeted as an example.

Subsequently, the information ID recorded in the history information of the clients with the identification IDs 6 to 10 is grasped. Here, it is assumed that there are records of sites B, C, D, F, H, X, and Z as an example. Among these information IDs, information IDs excluding information IDs having access histories for clients with identification IDs of 2 to 5 are extracted as recommended information.
Here, site B excluding sites C, D, X, and Z,
F and H are extracted.

The recommended information introducing device 1 transmits the information ID thus extracted as recommended information to the client whose identification ID is 1.

When assigning priorities to the extracted information IDs, a list in which information IDs are arranged in descending order of the number of accesses as shown in FIG. 6 is created, and priorities are assigned in descending order of the number of accesses. . Then, the recommended information having a higher priority is transmitted preferentially.

Therefore, according to the present embodiment, the information ID (original information) recorded in the history information of the other client 6 having the access history to the shopping mall 3 belongs to the community 4 having the access history. No further client is selected, and the information I recorded in the history information of the selected other client is selected here.
The information ID excluding the original information is extracted from D and transmitted as the recommended information, so that the client ID belonging to the client ID belonging to the same community has not been accessed by any client belonging to the same community. Is transmitted, so that appropriate recommended information can be introduced to the client 5 having no history information.

According to the present embodiment, transmission priorities are assigned in descending order of the number of accesses counted for each extracted information ID, so that information that the client 5 may be interested in is considerably reduced. It can be extracted with reliability.

[0081]

As described above, according to the recommended information introducing method and apparatus according to the present invention, predetermined information is determined based on history information of other users in the community to which the user belongs. Prioritizing the recommended information candidates and prioritizing the transmission of the recommended information with the highest priority to the user will ensure that information that may be of interest to the user is transmitted with priority. Therefore, appropriate recommendation information can be introduced to a user who has no history information.

According to the recommended information introducing method and apparatus according to the present invention, other users are selected in descending order of the degree of relevance to the user, and recorded in the history information of the other users in that order. By extracting candidates that match the recommended information candidates from the target information and prioritizing the recommended information candidates according to the order of extraction, information that the user is likely to be interested in is extracted. It can be extracted with considerable reliability.

According to the recommended information introducing method and apparatus according to the present invention, the objects matching the recommended information candidates in the descending order of the number of times of access to each object information obtained by totaling all the other users. By extracting information and prioritizing the recommended information candidates in the order of the extraction, information that may be of interest to the user can be extracted with considerable reliability.

According to the recommended information introducing method and apparatus according to the present invention, a reward is given to another user who uses the history information, so that active information from other users can be obtained. Offer can be encouraged.

According to the recommended information introducing method and apparatus according to the present invention, the target information (original information) recorded in the history information of another user does not belong to the community having the access history. By selecting the user, extracting the target information recorded in the history information of the other users, excluding the original information, and transmitting this as recommended information, This information is sent to users who have no access to the information that has never been accessed by any users belonging to the community. In addition, recommended information can be introduced.

A recommended information introduction program according to the present invention,
According to the information recording medium on which this program is recorded, the method can be executed on a computer by installing the recommended information introduction program, and by storing the recommended information introduction program on the recording medium, Distribution can be improved.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating an overall configuration of a system to which a recommended information introduction device according to a first embodiment is applied.

FIG. 2 is a diagram showing a list of information IDs.

FIG. 3 is a diagram showing a list of information ID candidates to be introduced;

FIG. 4 is a diagram showing a list of relevance between clients in a community;

FIG. 5 is a diagram showing a data structure of history information in which an access history to a shopping mall is recorded.

FIG. 6 is a diagram showing a list in which information IDs are arranged in descending order of the number of accesses.

FIG. 7 is a diagram illustrating a process of extracting recommended information according to the second embodiment;

[Explanation of symbols]

 1 Recommended information introduction device 2 Database 3 Shopping mall 4 Community 5 Client (user) 6 Other client

Claims (20)

[Claims] 1. A recommendation information introduction method for introducing recommendation information on target information to a user, the method being based on history information of other users in a community to which the user belongs. Recommendation information characterized by executing a ranking process for prioritizing predetermined recommended information candidates and a transmission process for preferentially transmitting recommended information with a high priority to the user. Referral method. 2. In the ranking process, another user is selected in descending order of the degree of relevance to the user, and recommended information candidates are selected from target information recorded in history information according to the selection order. 2. The recommended information introducing method according to claim 1, wherein a candidate that matches the recommended information is extracted, and priorities of the recommended information candidates are prioritized according to the extraction order. 3. The ranking process is performed, if two or more target information items recorded in the history information of any one of the other users match the recommended information candidates, the target information item is selected. 3. The recommended information introducing method according to claim 1, wherein priorities are assigned in descending order of the number of times of access. 4. The ranking process counts the number of accesses to each piece of target information for each user based on the history information of other users, and matches the recommended information candidates in descending order of the number of accesses. 2. The recommended information introducing method according to claim 1, wherein target information is extracted, and priorities of recommended information candidates are prioritized according to the extraction order. 5. A process for rewarding other users having target information matching the recommended information transmitted to the user by the transmission process in the history information is performed. The recommended information introducing method according to any one of claims 1 to 4, wherein 6. The target information recorded in the history information of another user in the community to which the user belongs is selected from among the other users who do not belong to the community with the access history. An extraction process of extracting the target information except for the target information recorded in the history information of the other users in the community among the target information recorded in the history information of the other user selected here; 2. A recommended information introducing method according to claim 1, further comprising: transmitting the extracted target information to the user as recommended information. 7. The processing according to claim 6, wherein the number of accesses is totalized for each target information extracted by said extraction processing, and a ranking processing for assigning a transmission priority in descending order of the number of accesses is executed. How to introduce recommended information. 8. A recommended information introducing device for introducing recommended information on target information to a user, a storage means for storing predetermined recommended information candidates to be introduced, Prioritizing means for prioritizing recommended information candidates based on history information of other users in the community to which the user belongs; and preferentially recommending information having higher priority to the user. A recommended information introducing device, comprising: a transmitting unit that transmits. 9. The ranking means selects other users in descending order of relevance to the user, and recommends candidate information from target information recorded in history information in accordance with the selection order. 9. The recommended information introducing apparatus according to claim 8, wherein a candidate that matches the recommended information is extracted, and priorities of the recommended information are prioritized according to the extraction order. 10. The ranking means, if there is more than one candidate information recommendation information recorded in the history information of any one of the other users, matches the recommended information to the target information. 10. The recommended information introducing device according to claim 8, wherein priorities are assigned in descending order of the number of accesses. 11. The ranking means counts the number of times of access to each piece of target information for each user based on the history information of other users, and matches the recommended information candidates in descending order of the number of times of access. 9. The recommended information introducing apparatus according to claim 8, wherein the target information is extracted, and priorities of the recommended information candidates are prioritized in the order of the extraction. 12. A means for performing a process for giving a reward to another user having target information matching the recommended information transmitted to the user by the transmission means in the history information. The recommended information introducing device according to any one of claims 8 to 11, characterized in that: 13. With respect to target information recorded in history information of another user in a community to which the user belongs, yet another user who does not belong to the community having an access history is selected. Extracting means for extracting, from the target information recorded in the history information of the other user selected here, the target information excluding the target information recorded in the history information of another user in the community, 9. The recommended information introducing device according to claim 8, further comprising: a transmitting unit configured to transmit the target information to the user as the recommended information. 14. A recommendation according to claim 13, further comprising a ranking means for counting the number of times of access for each target information extracted by said extracting means, and for prioritizing the transmission in descending order of the number of times of access. Information introduction device. 15. A recommended information introduction program for introducing recommended information on target information to a user, the program being based on history information of other users in a community to which the user belongs. A process of prioritizing predetermined recommended information candidates, and a process of transmitting preferentially high-priority recommended information to the user preferentially. Recommended information introduction program to do. 16. In the ranking process, other users are selected in descending order of relevance to the user, and recommended information candidates are selected from target information recorded in history information in accordance with the selection order. 16. The recommended information introducing program according to claim 15, wherein a program that matches the recommended information is extracted, and priorities of recommended information candidates are prioritized according to the order of extraction. 17. The ranking processing is performed, if two or more target information recorded in the history information of any one of the other users matches candidates for recommended information, the target information is added to the target information. 17. The recommended information introduction program according to claim 15 or 16, wherein priorities are assigned in descending order of the number of accesses. 18. The ranking process counts the number of accesses to each piece of target information for each user based on the history information of other users, and matches the recommended information candidates in descending order of the number of accesses. 16. The recommended information introduction program according to claim 15, wherein target information is extracted, and priorities of recommended information candidates are prioritized according to the extraction order. 19. With respect to target information recorded in history information of another user in a community to which the user belongs, yet another user who does not belong to the community having an access history is selected. An extraction process of extracting the target information recorded in the history information of the other user selected from the target information except for the target information recorded in the history information of the other user in the community; A transmission process for transmitting the target information thus obtained as recommendation information to the user, and causing the computer to execute the transmission process.
Recommended information introduction program described in 5. 20. A recording medium storing the recommended information introduction program according to claim 15.