JP3502016B2 - Information provision method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention
Information to the user's terminal device
Provision of information such as advertisements unilaterally desired by the information provider
DoInformation provision methodIt is about. [0002] 2. Description of the Related Art In recent years, interactive media such as the Internet has been developed.
Can receive immediate responses from viewers
Users for service providers
It has been attracting attention because it can. Such a two-way
Advertising to users who receive services using media
When providing the information of each user, based on the attribute of the user, each user
Grouping to provide information corresponding to individual groups
Information by using a rule-based approach
The provider can provide information by narrowing down the target to be provided. [0003] SUMMARY OF THE INVENTION However, the rules
In the base approach, the amount of information provided and the target
As the number of groups increases, the rules to be set become more complicated.
And it becomes difficult to control the provision of information to individual groups.
There was a problem. The present invention has been made to solve the above problems.
To provide information to desired users.
Can be easily realizedInformation provision methodTo provide
aimed to. [0004] An information providing method according to the present invention.
Is the information provided and any related informationButAffection
Registered in advance in the information provision server (1)Be doneAlong with this offer
User attributes desired by the information provider to provide informationBut
Registered in advance in the information providing server for each provided informationHas been updated
ToRefer to provided information and related related information in the past
Virtual userButInformation providing service as a delivery agent
Register in advanceBe doneTogether with specific information provided
Attributes of the recorded userButThe distribution corresponding to this particular advertisement
Registered in advance in the information providing server as attributes of the sending agent
Have been, For services provided by the information providing server
Access from the terminal device (2)
The same information as the reference information previously referenced by the
Information is registered as related information, and the
Age where the attribute corresponding to the user of the device is registered
And the access source terminal device refers to the
Information that is the same as the reference information
If not, the attribute corresponding to the user of this terminal device is registered.
Extracts the recorded delivery agent and extracts the extracted delivery
Provide information corresponding to the agent from the information providing server
Hand to send to terminal device of access sourceOrderHave, delivery agent
Gent extraction is based on the access source terminal user and
Similarity between reference information and related information between delivery agents
Calculate the similarity of attributes with each other, and use
Calculate the final similarity between the user and each delivery agent
And extract delivery agents in descending order of similarity
It is intended to be. In this way, the information provided
Related information and information to be provided.
The user attributes desired by the information provider, and the provided information and related information
Agent who is a virtual user who referred to the past
And the attributes of the delivery agent to the information providing server in advance.
Just registering is complicated like a conventional rule base
No special control is required. [0005] [0006] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [Embodiment 1] Hereinafter, the present invention will be described.
An embodiment will be described in detail with reference to the drawings.
FIG. 1 shows an information providing system according to a first embodiment of the present invention.
FIG. 2 is a block diagram illustrating a configuration of a system. The information provision system of FIG.
Is an information service that provides information to users.
1 and a terminal device 2 (2-1) of a user who receives information.
To 2-n), connecting the information providing server 1 and the terminal device 2
Network 3 such as the Internet
You. First, the principle of the information providing method of the present invention will be described.
Will be explained. The present invention provides social filtering (So
cial Filtering (hereinafter abbreviated as SF)
Use the F information provision method. For this SF, for example,
Reference `` Upendra Shardanand, Pattie Maes, Social In
formation Filtering: Algorithms for Automating "Wor
d of Mouth ", CHI'95 Conference Proceedings, 1995, pp2
10-217 ". In the present invention, information is transmitted from the information providing server 1.
When providing, even if the user inputs personal information etc. each time
To save time and effort, interactive services (eg, Web
Service) access record. Sand
That is, the user operates his / her own terminal device 2 to obtain information of interest.
Information, or when you take a specific action,
The information providing server 1 keeps the record as shown in Table 1.
Good. [0009] [Table 1]The access record table shown in Table 1 contains the user's
The identifier and the user's terminal device 2 via the network 3
Of the information referred to, or its action, and the user
And the access date and time are registered. In the example of Table 1, for example,
The user with the user identifier "1" is March 25, 2000
Information INF-A was referenced at 11:35:15 on the day
It has become. [0011] Such an access record table is stored in an information providing server.
As you record in the bar 1, the access record table for each user
Can be created. Here, each access for each user
The function of calculating the similarity between the record tables is used. This kind
The similarity calculation is generally called SF, and is widely known.
The SF information providing method using this similarity calculation is described below.
I will briefly describe. FIG. 2 shows the principle of this SF information providing method.
FIG. User U0 (terminal device 2)
Assuming that the reference information that has been referred to is G1,
Have previously referenced information with a high degree of similarity to the report G1
The related user G2 exists. Related user G2 referred
Of the information, information not included in G1 is referred to as introduction information G3.
You. The information provider (information providing server 1) has a user U0
It is presumed that you are interested in the introduction information G3, and the introduction information
G3 is provided to the user U0. Here, each related user G2 has a user U
A value indicating the degree of similarity between 0 and the related user G2 is assigned.
Each of the introduction information G3 of the user U0 is obtained by using this value.
Generate a value indicating the estimated interest level for. And this
Introducing information G3 from user U to user E in descending order of estimated interest
0 can be provided. Estimation
As a method of generating the degree of interest, for example,
The same value as the indicated value may be used. Further, in such SF information providing method,
Thus, the present invention can set attributes for users and information.
And By setting this attribute, the related user G2
Selection (filtering) by gender, introduction information
The report G3 can be selected. Next, a more specific embodiment of the present invention will be described.
explain about. FIG. 3 illustrates the information providing method of the present invention.
FIG. 4 is a flowchart diagram for the operation. Below, the user (terminal
Information provider (information providing server 1) is
Providing information, such as advertising, etc.
Information that the user referred to in the past,
The information selected as information related to the
Huh. The user operates the information providing system shown in FIG.
Operating the own terminal device 2 and providing the information providing server
Various information registered in 1 is reserved via the network 3.
It shall be referred to. Access from terminal device 2
The information providing server 1 that provides information and services
Means that the user's attribute information and access record
It is stored (step 101 in FIG. 3). As mentioned above
In addition, attributes can be set for each user. user
Table 2 shows the types of attributes that can be set and their values.
There is something like that. [0017] [Table 2] Table 2 shows, for example, the attribute AA.
To indicate that either 1 or 2 can be set
I have. First, the information provider should provide the
Prepare one or more pieces of information, and provide the provided information to an information providing server.
1 (step 102). Table 3 lists the information provided.
Show how to record. [0019] [Table 3]As shown in Table 3, the information provider provides the information
Prepare reports P-1, P-2, P-3 and P-4,
The attribute of the user to be provided is set for each provided information.
At this time, in order to narrow down the users to be provided,
Set multiple attributes. In the example of Table 3, setting attribute 1 and setting attribute
A user who satisfies the fixed attribute 2 and the set attribute 3 at the same time
Information. Subsequently, the information provider provides the information
Select one or more related information related to
And register it in the information providing server 1 (step 10
3). Table 4 shows an example of the related information. [0021] [Table 4] In the example of Table 4, the related information P-1
Link information INF-A to INF-DD are registered. Next
In addition, the information provider will register the provided information and related information
Virtually set the users who have referred in the past
The information is registered in the information providing server 1 (step 104). Less than,
This virtual user is called a delivery agent. This delivery
The agent corresponds to the related user described in FIG.
Things. Table 5 shows the information provided by the delivery agent and
4 shows a virtual access record table referring to related information. [0023] [Table 5] Create an access record table as shown in Table 5
Information provider, the delivery agent can distinguish
Assign a user identifier. In the example of Table 5, the user identifier
"100001" delivery agent, 2000
Refer to the provided information P-1 at 00:00:00 on March 28.
And related information INF-A ~
INF-DDD is referred to. The table
In the example of 5, only one delivery agent is registered.
However, it goes without saying that a plurality of registrations may be made. Ma
Also, one shipping agent is referring
The provided information may be one or more. [0025] Subsequently, the information provider, as shown in Table 6
The user identifier and the information collected and stored in step 101
Registered in the information providing server 1 in association with the attribute value of the user
The delivery agent's user identifier and delivery
Agent attribute values and register them.
As shown, the related information and the provided information are paired with their attribute values.
Registration is performed in response (step 105). [0026] [Table 6] [0027] [Table 7] When setting the attributes of the delivery agent
Is distinguishable from other general users as shown in Table 6.
An attribute value indicating “delivery” is assigned, and
Provision information (Table 5) corresponding to the delivery agent
Delivering the attribute value of the target user (Table 3) to the delivery agent
Is assigned as an attribute value. For example, in Table 6,
As the attribute value of the delivery agent of the bespoke "100001"
The attribute value of the user to whom the provided information P-1 is provided is
Is set. Also, when setting the attributes of the provided information,
As shown in Table 7, “provided information” can be distinguished from other information.
Attribute value that means "report". Next, the information providing server 1 is connected to the user terminal
For a specific service from the device 2 via the network 3
Access (Y in step 106)
ES), the user is interested in information registered in advance
Select the information that is presumed to have
The information introduction function to be provided is activated (step 107).
Which of the services provided by the information providing server 1 is
A specific service that triggers the service and information introduction function
Is set in advance by the information provider. Figure 4 shows the information
For explaining the information introduction function of the service server 1
FIG. Information providing server 1 that has activated the information introduction function
Is the user identifier sent from the user terminal device 2
Search the user attribute table (Table 6) based on the
Acquire the attribute value of the user corresponding to the child (FIG. 4 step)
201). Subsequently, the information providing server 1 executes the specific service
Search the access record table (Table 1) of users who accessed
And reference information that this user has referred to in the past
Is extracted (step 202), and the same information as this reference information is extracted.
The delivery agent whose information is set as related information
Extract from delivery agent's access record table (Table 5)
(Step 203). Further, the information providing server 1 obtains the acquired
A delivery error in which an attribute value corresponding to the attribute value of the user is set
Agent from the attribute table of the delivery agent (Table 6)
Issue (step 204). The information providing server 1 is used
The same information as the reference information of the person is set as related information,
Attribute value corresponding to the attribute value of the user is set
Finally, the delivery agent is extracted and this delivery agent
Obtain the user identifier of the agent from Table 6 (step 2
05). Then, the information providing server 1 sends the extracted distribution
Provided information corresponding to the sending agent (delivery agent
Delivery information that has been referenced by
Agent's access record table (Table 5)
Information provided by the user via the network 3
2 (step 206). Terminal device 2 is provided
Processing such as display is performed in response to the reception of the information. As above
And provide the user with information such as advertisements
Can be. FIG. 5 shows how information is provided in the present embodiment.
FIG. User U0 (terminal device 2)
If the reference information that has been referred to is G1, this reference
You may have referred to information with high similarity to information G1 in the past.
Delivery agent G2 is set in advance. Delivery D
The information that is referred to by Agent G2
That is, information that is not included in G1 is provided information G3. information
The provider (information providing server 1) is the same as the reference information G1.
Delivery agents who have referred to the information in the past
G2 is extracted and corresponding to this delivery agent G2.
Provided information to the user U0. As described above, according to the present invention, provided information
Related information related to the provided information and the target of the provided information
Attribute of the user desired by the information provider and the information provided
Virtual users who have referred to related information related to
And the attributes of the delivery agent
Is simply registered in advance in the information providing server 1,
Eliminates the need for complex controls such as rule-based
Select and provide appropriate information to users
Becomes easier. In the present embodiment, the extracted delivery
The case where there is only one
As described, the extracted delivery agent is
If this is supported, the following processing is performed.
You. That is, the information providing server 1 checks the extracted delivery agent.
If there is more than one offer corresponding to the
Use only one of the first or last registered information
To the user's terminal device 2 or the corresponding
Send all information. In addition, the information providing server 1 executes the extracted delivery.
If there is more than one offer
If a priority is set for the service information, the highest priority
Only one provided information is transmitted to the user terminal device 2
Or all of the provided information corresponding to the highest priority
Send. The terminal device 2 that has received a plurality of provided information
How information is processed depends on the user or
It is determined by the setting of the information providing system. In the example shown in FIG. 5, the user U0 has
The reference information G1 and the delivery agent G2
If the related information that has been illuminated overlaps
In other words, the access notes of the delivery agent shown in Table 5
In the record, at least one related information is a user U0
Is the same as the reference information G1 of
Corresponding reference information G1 and delivery agent G2
When the related information does not overlap at all, that is, the reference information G
A temporary delivery agent G2 that has never referred to
It may be set intentionally. FIG. 6 shows the situation in this case. like this
Even in such a case, providing the provided information to the user U0
Can be. That is, the information providing server 1 uses the user U0
The same information as the reference information G1 is set as related information.
Attribute that is equivalent to the acquired user attribute value, even if it is not
If there is a delivery agent with a value set,
To extract the delivery agent. Delivery agent as shown in FIG.
By setting the Gent G2, it was referenced in the past
Even for the user U0 with few reference information G1
Many pieces of provided information G3 can be prepared. As shown in FIG. 7, the reference information G1 is
Information for user U0 who does not have any information as in FIG.
Provision of the provision information G3 is possible by processing by the provision server 1
Noh. In the case of FIGS. 5 and 6, it is necessary to set related information.
However, in the case of FIG. 7, it is not necessary to set related information.
Good. That is, operation is possible even when the related information is 0. Was
However, in this case, the information providing server 1 was accessed.
At this point, the user sends his / her own attribute information from the terminal device 2
It is necessary to send it to the providing server 1. [Embodiment 2] The following is a description of the present invention.
A second embodiment of the present invention will be described. This embodiment
Also, the configuration as an information provision system is
Since it is exactly the same as 1 in the embodiment,
It will be described using FIG. In this embodiment, the Internet
Presupposes a Web service that provides product information
In the case where information provided specially to the user is prepared
An example will be described. [0041] Users can use various services with this Web service.
It is assumed that the Web page is referred to in advance. to this
Thus, the information providing server 1 that provides the Web service
Collect and save user attribute information and access record table in advance
(Step 101 in FIG. 3). To the user
Table 8 shows the types of attributes that can be set and their values.
There are things. [0042] [Table 8] For example, regarding the attribute type “age”
Is the attribute value of any of "teens" to "40s"
It is possible to set. Next, the information provider
Introduction of new cosmetics and delicious restaurants that we want to provide to the elderly
Provide information and articles about new products or things
And register the provided information in the information providing server 1.
(Step 102). Table 9 shows how to register provided information.
Show. [0044] [Table 9] As shown in Table 9, the information provider provides
Information title and information indicating the storage location
Server 1 and the information to be provided.
Register user attributes. In the example of Table 9, it indicates the storage location
For example, the URL "/news/cosme.htm" as information
(Uniform Resource Locators)
Attribute of "users in their twenties and women"
You have registered a value. Next, the information provider
Web pages related to articles introducing cosmetics with related information
And select one or more and register them in the information providing server 1.
(Step 103). How to register related information in Table 10
Is shown. [0046] [Table 10] As shown in the example of Table 10, the related information (We
The URL indicating the storage location of (b page) is the information providing server 1
Registered in. Next, the information provider sends a delivery agent
Is registered in the information providing server 1 (step 104). table
11, the delivery agent refers to the provided information and related information.
5 shows an illuminated virtual access record table. [0048] [Table 11] In the access record table, the delivery agent
The user identifier and the reference to the delivery agent
URL indicating the storage location of provided information and related information
And the access date and time when the delivery agent referred to each information
Is registered. Create such an access record table
As a result, the delivery agent of the user identifier "100001" is
Is stored in the storage location "/news/cosme.htm"
Refer to the provided information, and save the file at the location "/inf/hiyake-dome.h
tm's reference to related information stored in
Leave. Subsequently, the information provider checks as shown in Table 12.
The user identifier and the information collected and stored in step 101
Registered in the information providing server 1 in association with the attribute value of the user
The delivery agent's user identifier and delivery
Agent attribute values are registered in association with each other.
As shown in, related information and provided information and their attribute values
The information is registered in association (step 105). [0051] [Table 12] [0052] [Table 13]Next, the information providing server 1 is a general user
Of a specific Web site from the terminal device 2 via the network 3
When a service is accessed (step 10
(YES at 6), activates the information introduction function (step
107). FIG. 8 is a view showing the state of information provision here.
FIG. Terminal device 2 for accessing Web service
A user identifier is sent from the Web browser.
The information providing server 1 that has started the information introduction function is a terminal device.
User attribute table based on the user identifier sent from 2
Searching (Table 12), the user corresponding to the user identifier
(Step 201 in FIG. 4). Here, for example, as a user identifier
If "2" is sent, it will be called "Women in their 20s"
The attributes of the user are obtained. In addition, it described in Table 12.
The attribute value "General" indicates that the user is a general user
Do not need to be considered in the processing of step 201
No. Subsequently, the information providing server 1 identifies the user.
Search the access record table of the user whose child is "2",
Extracts reference information that this user has referred to in the past
(Step 202), and the same information as this reference information is related.
The delivery agent set as the
From the access record table (Table 11)
(Step 203). Here, the user saves the storage location "/ i
nf / hiyake-dome.htm ”
Let's say Therefore, the user identifier "10000
The delivery agent of "1" is extracted. Further, the information providing server 1 obtains the acquired
A delivery error in which an attribute value corresponding to the attribute value of the user is set
Agent from the attribute table of the delivery agent (Table 12)
Extract (step 204). With the aforementioned "woman in my 20s"
Attribute value corresponding to the user attribute "20 and female
Attribute value is assigned to the user identifier "100001".
Set for the sending agent. Therefore,
The information providing server 1 finally calls this delivery agent
Extract (step 205). Then, the information providing server 1 checks the extracted distribution
Specify the storage location of the provided information corresponding to the
Agent's access record table (Table 11)
This provided information is transmitted to the user's terminal
To the device 2 (step 206). In this way,
Information provided in the storage location "/news/cosme.htm"
Information is provided to the user. [Third Embodiment] In the second embodiment,
The same information as the reference information that the user referred in the past
There is only one delivery agent registered as information
Therefore, it is easy to extract the delivery agent.
However, there are actually multiple corresponding delivery agents
May be done. Also, for attribute values,
Distribution with an attribute value corresponding to the attribute value of the user
There may be a case where there are a plurality of sending agents. Therefore, in such a case, the user and each
The similarity with the delivery agent is calculated and this similarity is
SF technology such as extracting delivery agents with higher cost
It is necessary to use. Below, the information of this embodiment
The provision method is described. In this embodiment, too,
The configuration of the information providing system is as shown in FIG.
Thus, the overall flow of information provision is as shown in FIG.
For the provided information and the delivery agent, refer to Embodiment 2
Use the one registered in. FIG. 9 shows an information introduction function according to the present embodiment.
It is a flowchart figure for demonstrating. Information introduction machine
The information providing server 1 that has activated the function is sent from the terminal device 2.
User attribute table based on user identifiers received (Table 12)
And retrieve the attribute value of the user corresponding to the user identifier.
It is acquired (step 301 in FIG. 9). Here, for example,
If "2" is sent as the user identifier, "2"
The attribute of the user "0-year-old woman" is obtained. Subsequently, the information providing server 1 performs the user identification
Search the access record table of the user whose child is "2",
Extracts reference information that this user has referred to in the past
(Step 302). And the information providing server 1
Is the attribute value of the user and the reference information that the user has referenced in the past.
The similarity between the user and each delivery agent based on the
(Step 303). In this similarity calculation, attributes and reference information
Between each user and each delivery agent
After calculating the similarity, the final similarity is calculated. Genus
The similarity of gender is determined by the
The number of times attribute values match between For example, user attributes
If the value is “female in twenties”, this user and “
Identifier "1" with an attribute value of "and female"
"00011" has two similarities
Is 2 because the attributes of. Table 12
The attribute value of "delivery" described in
Therefore, in step 303,
Need not be considered. Similarly, the attribute value “female in twenties” is used.
User and attribute value "20s or 30s" are set
With the delivery agent with identifier "100002"
Is similar to 1 because one type of attribute matches.
And the attribute value of "woman" is set for the same user.
Class with the delivery agent with identifier "100003"
The similarity is also 1. In this way, the similarity of the attribute is calculated.
Can be calculated. Next, the similarity of the reference information
The number of times the information and the related information match. Here,
Of the attribute value "female in their twenties"
"/Inf/hiyake-dome.htm" and "/inf/brand-buy.ht
Refer to the information (reference information) stored in “m” in the past.
Suppose. This user and the storage location "/ i
nf / hiyake-dome.htm "(related information)
And refer to the information of storage location "/inf/brand-buy.htm"
Delivery agent with identifier "100001"
Reference information and related information match twice for similarity
It becomes 2 from doing. Perform the similarity calculation as above
Table 14 shows the results. [0065] [Table 14] If the attribute value is “female in twenties” and the storage location is “/ i
nf / hiyake-dome.htm ”and“ /inf/brand-buy.htm ”
The user who referred to the reference information and the identifier "100001"
The final similarity with the shipping agent of the
The similarity of all the reference information is 2, and the similarity of the reference information is 2.
Then, these similarities are added to be 4. In Table 14,
Users whose attribute value is "female in their 20s"
The result of similarity calculation is also shown for the case of reference.
You. As described above, the information providing server 1
Calculate the similarity between the user and each delivery agent and calculate
The delivery agent with the highest final similarity
(Step 304). Save location "/inf/hiyake-dome.htm
  With reference to "/inf/brand-buy.htm"
The delivery agent with the identifier "100001"
Event is extracted. The process of step 305 is a step
206 is exactly the same. Table 15 shows the various users.
To extract the delivery agent with high similarity
Of providing information corresponding to the delivered delivery agent
Is shown. [0068] [Table 15]"Male in their 20s", "Male in their 30s" or
For users with attribute values of “female in their thirties”, refer to
Since there is no information, the similarity of the reference information is 0.
Delivery agent based on only the similarity of attribute values
Is extracted. In the above embodiment, reference information and
Extracting delivery agents based on both attributes
Can extract delivery agents based only on attributes
Good. [0070] According to the present invention, access from a terminal device is performed.
, This access source terminal device referred to in the past
The same information as the reference information is registered as related information,
And the attribute corresponding to the user of the access source terminal device is registered.
Extract the recorded delivery agent and enter
Information from the information service server.
Information to the access source terminal
Information and related information related to this
The attributes of the user that the information provider wants
Information and related related information in the past
The delivery agent who is the user and the delivery agent
By simply registering the attribute and the information server in advance,
Eliminates the need for complicated controls like the conventional rule base.
Select and provide appropriate information to certain users
It becomes easier. Also, if there is an access from the terminal device,
The reference information previously referenced by this access source terminal device.
If the information does not match the related information,
Age where the attribute corresponding to the user of the device is registered
By extracting agents, you can
Users with little or no reference information
It is possible to select and provide appropriate information for
It works. Also, if there is an access from the terminal device,
Attribute corresponding to the user of this access source terminal device
By extracting the registered delivery agents
Select and provide appropriate information based only on attributes
It is possible to do. Also, if there is an access from the terminal device,
User and the respective delivery agents
And the similarity of reference information and related information
Gender similarity and calculate the user and each distribution from these similarities.
Calculate the final similarity with the sending agent and
Extraction agents in descending order of similarity
User and similarity from multiple delivery agents
Of suitable delivery agents with high
It is easy to provide information to the user.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a configuration of an information providing system according to a first embodiment of the present invention. FIG. 2 is an explanatory diagram showing the principle of the method for providing social filtering information of the present invention. FIG. 3 is a flowchart for explaining the information providing method of the present invention. FIG. 4 is a flowchart for explaining an information introduction function of the information providing server according to the first embodiment of the present invention. FIG. 5 is an explanatory diagram showing a state of information provision according to the first embodiment of the present invention. FIG. 6 is an explanatory diagram showing another example of information provision according to the first embodiment of the present invention. FIG. 7 is an explanatory diagram showing another example of information provision according to the first embodiment of the present invention. FIG. 8 is an explanatory diagram showing a state of information provision according to the second embodiment of the present invention. FIG. 9 is a flowchart for explaining an information introduction function of an information providing server according to a third embodiment of the present invention. [Description of Signs] 1. Information providing server, 2. Terminal device, 3. Network.

Continuation of front page (56) References JP-A-2000-132559 (JP, A) JP-A-2000-99525 (JP, A) Hiroyuki Tachibana, Naoyuki Sato, Hideaki Suzuki, Akinao Soneoka, Proposal of personalized information provision method and Evaluation, IPSJ Transactions, January 15, 1999, Vol. 40, No. 1, pp. 175-187, Hideaki Suzuki, Personalized Information Providing Service, Business Communication, Business Communication, March 1998 1st, Vol. 35, No. 3, pp. 92-98, Ken Motohashi, Information provision method for discovering potential interests of passive users, NTT R & D, Telecommunications Association, June 10, 1999 No.48, No.6, No.498, No.6, Takeuchi Tadashi, Push-type information distribution system without special client software, Info Tuner, NTT Technical Journal, Telecommunications Association, July 1, 1998, Vol. 10, No. 7, pp. 29-32 Junji, Kiichi Yamamoto, Implementation of Information Provision Agent Based on Classification and Hierarchy, Computer Software, Japan Society for Software Science, November 16, 1998, Vol. 15, No. 6, pp. 27-38 (58) ) Fields surveyed (Int.Cl. ⁷ , DB name) G06F 17/30 G06F 13/00 G06F 17/60 JICST file (JOIS)

Claims (1)

(57) [Claims 1] An information providing method for unilaterally providing information desired by an information provider from an information providing server to a terminal of a user who receives a service via a network. a is, the providing information and with the related information related to the provided information is previously registered before <br/> SL information providing server, the user of the attributes information provider desires as Provisioned for this advertisement There is pre-registered in the information providing server for each Hisage <br/> subjected information, providing further the information as a virtual user delivery agent and the related information with reference to the past in this regard and the provided information together are pre-registered in the server, it is previously registered in the information providing server as an attribute of delivery agent which user attributes registered for a particular advertisement corresponding to the specific advertisement When the terminal device accesses the service provided by the information providing server, the same information as the reference information previously referred to by the access source terminal device is registered as the related information, and the access source Extract the delivery agent in which the attribute corresponding to the user of the terminal device is registered, and if the same information as the reference information previously referred to by the access source terminal device is not registered as the related information, Extracting the delivery agent in which the attribute corresponding to the user of the terminal device is registered, and transmitting the provided information corresponding to the extracted delivery agent from the information providing server to the access source terminal device;
Having the order, the extraction of the delivery agent calculates the similarity between the reference information and the related information and the similarity between the attributes between the user of the access source terminal device and each delivery agent,
An information providing method, wherein a final similarity between the user and each delivery agent is calculated from these similarities, and the delivery agents are extracted in descending order of the similarity.