JP5028499B2 - Server, method and program - Google Patents

Description

  The present invention relates to a server, a method, and a program for notifying a change in content content when content is periodically acquired.

  In recent years, with the spread of the Internet and the improvement of search technology, users can easily obtain various contents. On the other hand, because too much information can be obtained, the user may spend a great deal of time sorting out the really necessary information.

  Therefore, there is a mechanism called RSS (RDF Site Summary / Rich Site Summary). RSS allows a user to register in advance a website (RSS feed) or the like on which information to be obtained is described, and automatically browse when the registered website is updated. Content that can be browsed by RSS can be arbitrarily selected as long as it can be browsed by a website that supports RSS. For example, the content that can be browsed by RSS includes a blog (Weblog: abbreviation for web log), update information of a specific Web site, news distribution articles, and the like.

  In RSS, an RSS reader is installed on the terminal and content articles and links are automatically displayed on the display screen of the terminal, or viewed on a dedicated Web page provided for individuals on a membership website There is what can be done (for example, Non-Patent Document 1). When RSS is used, the content is automatically distributed every time the content is updated. Therefore, the user can obtain desired information without taking any action such as search.

“MY Yahoo!”, [online], Yahoo Japan Corporation, [searched on December 11, 2009], <http: // my. yahoo. co. jp / st / userguide />

  However, RSS only acquires the content automatically when the corresponding content of the registered Web site is updated, and cannot cope with the case where the category is changed as a result of the content change. If the content changes, it may become unnecessary information for the browsing user. In such a case, the user needs to take an active action of constantly checking whether the content has been changed and determining whether or not it is necessary. Alternatively, if the content category is changed and left as it is, the user continues to receive unnecessary information.

  Therefore, an object of the present invention is to provide a server, a method, and a program capable of notifying that the contents acquired periodically have changed.

(1) A server for displaying content on a user's dedicated Web page on a user's terminal registered in a predetermined service provided through a communication network, the URL of the content desired to be viewed from the terminal and the browsing request Content registration accepting means for accepting registration of the content category, content storage means for storing the URL of the content accepted and registered by the content registration accepting means, and storing the category in association with the identification information of the user. Registration information storage means, content acquisition means for acquiring the registered content based on the URL of the content stored in the content storage means, and a predetermined period after the content registration acceptance means accepts the registration After the passage, the container Category specifying change determining means for specifying the category of the acquired content based on the content acquired by the tool acquisition means, and determining whether or not the specified category is different from the category at the time of registration, and the category specifying change Notification means for notifying the terminal that the category of the acquired content has been changed from the category at the time of registration when the determination means determines that the specified category is different from the category at the time of registration ; Server to provide.

According to the configuration described in (1), the server can display the RSS content on the dedicated Web page displayed on the user terminal. In addition, when the server identifies a RSS content displayed on the dedicated Web page after a predetermined period of time has elapsed since registration , the server determines whether the content category has been changed, and determines that the category has been changed. Can be notified that the category has been changed.
For this reason, it is possible to give the user who browses the RSS content on the dedicated Web page an opportunity to determine whether or not to continue browsing the RSS content currently being browsed.

(2) A method of displaying content on a user's dedicated Web page on a user's terminal registered in a predetermined service provided through a communication network, wherein the computer includes a URL of content desired to be browsed from the terminal and A step of accepting registration for the category of the content desired to be browsed, a step of storing the category in association with the identification information of the user, a step of storing a URL of the registered content, and a step of storing the registered content Acquiring the registered content based on a URL, and specifying a category of the acquired content based on the acquired content after a predetermined period of time has passed since registration related to the content desired to be browsed is received. The identified category is before A step of judging whether or not different from that at the time of registration category, when the specific category is judged different from the category of time the registration, category of content the acquired has changed from the category at the time of registration And notifying the terminal of the fact.

According to the configuration described in (2) , it is possible to provide a method having the same effect as in (1).

(3) A program for displaying content on a user's dedicated Web page on a user's terminal registered in a predetermined service provided through a communication network, the computer displaying a URL of content desired to be viewed from the terminal, and Content registration acceptance means for accepting registration for the category of the content desired to be browsed, registration information storage means for storing the category in association with identification information of the user, and content storage means for storing the URL of the registered content And a content acquisition unit that acquires the registered content based on the URL of the registered content stored in the content storage unit, and a predetermined period after the content registration reception unit receives the registration. , Content acquisition Category specifying change determining means for specifying the category of the acquired content based on the content acquired by the stage and determining whether or not the specified category is different from the category at the time of registration; and the category specifying change determining means And, when it is determined that the specified category is different from the category at the time of registration , function as notification means for notifying the terminal that the category of the acquired content has been changed from the category at the time of registration program.

According to the configuration described in (3), it is possible to provide a program that exhibits the same effect as in (1).

  According to the present invention, it is possible to provide a server, a method, and a program capable of notifying that there has been a change in the content of content that is periodically acquired.

It is a figure which shows the whole structure of the system which concerns on embodiment of this invention, and the function structure of a notification server. It is a figure which shows the example of the table stored in registration information DB which concerns on embodiment of this invention. It is a figure which shows the example of the table stored in content DB which concerns on embodiment of this invention. It is a figure which shows the example of the table stored in category DB which concerns on embodiment of this invention. It is a flowchart which shows the reception process of the RSS content in the notification server which concerns on embodiment of this invention. It is a flowchart which shows the process which performs the notification of RSS content delivery and a category change in the notification server which concerns on embodiment of this invention. It is a flowchart which shows the specific process of the category which the category specific part which concerns on embodiment of this invention performs. It is a figure which shows the example of a display in the user terminal which concerns on embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. The embodiment described below is merely an example, and the technical scope of the present invention is not limited to this.

  With reference to FIGS. 1 to 4, an overall configuration of the system 1 and a functional configuration of the notification server 10 constituting the system 1, which are examples of the present embodiment, will be described. FIG. 1 is a diagram showing an overall configuration of a system 1 and a functional configuration of a notification server 10 according to an embodiment of the present invention.

  The system 1 uses a notification server 10 that is a server for notifying that a content category has been changed, a service providing server 20 that provides a membership system service that provides a registered user's dedicated Web page, and a membership system service. And a user terminal 30 that is a user terminal. The notification server 10, the service providing server 20, and the user terminal 30 can communicate with each other via the communication network N.

  In the present embodiment, the system 1 is assumed to be registered by the user using the user terminal 30 in the membership service provided by the service providing server 20. The user can use RSS through a registered user's dedicated Web page provided by the membership service.

  The notification server 10 is a server that manages RSS that can be viewed on a dedicated Web page. Specifically, the notification server 10 accepts registration regarding the URL of RSS content (hereinafter referred to as RSS content) that can be used on a dedicated Web page provided by the service providing server 20 and the category of the RSS content, and the RSS content is updated. Update information distributed at the time is received and displayed on a dedicated Web page. Then, when the content of the RSS content is different from the registered category, the notification server 10 displays on the dedicated Web page a notification indicating that the RSS content category has been changed.

  The service providing server 20 provides a membership service that provides a registered Web page to registered users. The user uses the user terminal 30 to connect to a Web site provided by the service providing server 20 and perform usage registration for the membership service. The service providing server 20 transmits a dedicated Web page for the user to the user terminal 30 in response to a browsing request transmitted from the registered user's user terminal 30.

  The user terminal 30 is connected to the service providing server 20 via a communication network N by a Web browser, and downloads Web page information described in HTML (HyperText Markup Language) language, XML (extensible Markup Language) language, or the like. Then, the user terminal 30 analyzes and displays these languages. Examples of the user terminal 30 include information terminals having a communication function such as a personal computer (PC), a mobile phone, and a PDA (Personal Digital Assistant). A terminal 30a shown in FIG. 1 is a so-called personal computer, and a terminal 30b is a mobile terminal such as a mobile phone (hereinafter collectively referred to as a user terminal 30). In FIG. 1, one terminal 30a and one terminal 30b are shown, but a plurality of terminals may be provided.

  Hereinafter, the functional configuration of the notification server 10 will be described with reference to FIG.

  The notification server 10 includes at least a storage unit 11, a display unit 12, an operation unit 13, and a control unit 14.

  The storage unit 11 is a non-volatile memory such as a hard disk device, a magneto-optical disk device, or a flash memory, a volatile memory such as a RAM (Random Access Memory), or a computer-readable and writable storage using a combination thereof. It shall consist of media. Further, each database to be described later is not necessarily provided in the storage unit 11.

  The storage unit 11 includes a registration information database (hereinafter referred to as DB) 111, a content DB 112, and a category DB 113.

The data stored in the registration information DB 111 will be described with reference to FIG. FIG. 2 is a diagram illustrating an example of a table stored in the registration information DB 111.
The registration information DB 111 is provided as registration information storage means, and stores registration information related to the URL of the RSS content desired to be browsed and the category of the RSS content received from the user terminal 30 by the content registration receiving unit 141 described later.

  For example, the registration information DB 111 stores the registration information as a table as shown in FIG. The registration information DB 111 stores at least a user ID, an RSS URL (Uniform Resource Locator) (RSS feed), a category, and a registration / update date as registration information. In FIG. 2, the user ID, the RSS content URL, the category, and the registration / update date are associated with the “user ID” column, the “RSS URL” column, the “category” column, and the “registration / update date” column, respectively. Stored.

In the present embodiment, the user ID is a registration ID registered in the membership service provided by the service providing server 20, and uniquely identifies the registered user. The RSS URL is the URL of RSS content that can be viewed on a dedicated Web page. The category indicates the category type of the RSS content.
Also, date information is stored in the “registration / update date” column. The date information stored in the “registration / update date” column is information indicating the date when the registration of RSS content desired to be browsed is received from the user terminal 30 by the content registration receiving unit 141 described later.

The data stored in the content DB 112 will be described with reference to FIG. FIG. 3 is a diagram illustrating an example of a table stored in the content DB 112.
The content DB 112 is provided as content storage means and stores RSS content. For example, as shown in FIG. 3, the content DB 112 stores an RSS URL and an RSS content in association with each other. In FIG. 3, the RSS URL and the RSS content are stored in the “RSS URL” column and the “RSS content” column, respectively. The RSS URL is the same as the RSS URL shown in FIG. 2, and RSS content update information data acquired by the content information acquisition unit 142 described later is stored in the “RSS content” column. Note that the RSS content is not necessarily provided in the content DB 112 and may be acquired from an RSS server that can be connected via the communication network N.

The data stored in the category DB 113 will be described with reference to FIG. FIG. 4 is a diagram illustrating an example of a table stored in the category DB 113.
The category DB 113 is provided as category information storage means, and stores a category of RSS content that can be browsed by the user of the user terminal 30 and a keyword included in the category in association with each other. As shown in FIG. 4, the category DB 113 stores category names and keyword names in association with each other. The category name and the keyword name are stored in the “category” column and the “keyword” column, respectively.

  Here, the names of keywords stored in the “keyword” column are classified for each category and indicate the characteristics of the category. The feature word indicating the feature of the category may be, for example, an arbitrary name such as a word indicating a subcategory of the category, a synonym, a synonym, a related word, a specific product name, or a service name. Further, a predetermined program such as a crawler may periodically circulate through the communication network N, and the acquired frequently used words may be registered as keywords. For example, when the category is “gourmet”, words such as “lunch” and “dinner” are stored in the “keyword” column.

  Returning to FIG. 1, the display unit 12 displays a screen for accepting data input to the administrator of the notification server 10 or displays a calculation processing result screen by the notification server 10. (CRT), liquid crystal display (LCD), and other display devices.

  The operation unit 13 receives input to the notification server 10 and may be configured by a keyboard, a mouse, a touch pen, a touch panel, and the like.

  The control unit 14 controls the execution of each process of the notification server 10. The control unit 14 includes a CPU (Central Processing Unit) and the like. The control unit 14 may realize the function by reading a program for realizing the function of each unit below into a memory (not shown) and executing the program, or using dedicated hardware. It may be realized.

  The control unit 14 includes a content registration receiving unit 141, a content information acquisition unit 142, a category specifying unit 143, a category change content extraction unit 144, and a category change notification unit 145.

The content registration accepting unit 141 accepts registration regarding RSS content that the user of the user terminal 30 desires to browse from the user terminal 30 as content registration accepting means. Specifically, the content registration receiving unit 141 receives the registration of the URL of the RSS content that the user of the user terminal 30 desires to browse and the category of the RSS content from the user terminal 30. Then, the content registration receiving unit 141 stores the URL and category of the received RSS content in the registration information DB 111 in association with the user ID of the user who has received the registration. Moreover, the content registration reception part 141 deletes pertinent registration information of registration information DB111, when deletion of registration is received about the registered RSS content. In addition, when the content registration reception unit 141 receives a change in the category of the RSS content, the content registration reception unit 141 changes the category in the corresponding registration information in the registration information DB 111 to the specified category and displays the “registration / update date” column. Update date information.
Therefore, the “registration / update date” column includes the date when the RSS content is newly registered, the date when the category change content extraction unit 144 determines the category change, or the date when the user independently changes the category of the RSS content. One of the latest date information is stored.

The content information acquisition unit 142 refers to the registration information DB 111 and the content DB 112 as content acquisition means, and acquires the registered RSS content. Specifically, the content information acquisition unit 142 refers to the registration information DB 111, and corresponds from the content DB 112 based on the user ID of the user terminal 30 that has received the browsing request and the RSS URL associated with the user ID. RSS content to be acquired is acquired. Then, the acquired RSS content is transmitted to the user terminal 30 or the service providing server 20.
In order to obtain updated RSS content, a predetermined program periodically circulates the communication network N and downloads RSS information (update information, etc.) from a website that provides registered RSS content. This can be done by storing in the content DB 112.

The category specifying unit 143 specifies a category to which the RSS content acquired by the content information acquiring unit 142 belongs as a category specifying unit. Specifically, the category specifying unit 143 specifies a category with reference to the RSS content acquired by the content information acquiring unit 142 and the category DB 113. The category specifying unit 143 performs a morphological analysis on the text information included in the acquired RSS content, and counts the number of appearances of words included in the RSS content. And the category specific | specification part 143 calculates a word with high importance with respect to each word contained in RSS content, and produces a word list. In order to calculate a word having high importance, it can be calculated using, for example, a TF / IDF method (TF: Term Frequency, IDF: Inverted Document Frequency).
Next, the category specifying unit 143 refers to the category DB 113, compares the words stored in the “keyword” column of the category DB 113 with the words in the word list, and calculates the respective similarities. Then, the category name associated with the word in the “keyword” column having the highest similarity with the word in the word list is recognized as the category to which the RSS content belongs. As a method of calculating the similarity, for example, a method of calculating using a cosine distance can be cited.

  The category change content extraction unit 144, as a category change content extraction unit, determines whether or not the category of the RSS content registered in the registration information DB 111 has been changed, and extracts the RSS content whose category has been changed. Specifically, the category change content extraction unit 144 refers to the registration information DB 111 and compares the category specified by the category specification unit 143 with the category of the registered RSS content. Then, when the category specified by the category specifying unit 143 is different from the category of the registered RSS content, the category change content extracting unit 144 regards the content of the RSS content as having been changed. The URL of the content is extracted from the registration information DB 111.

  It is preferable that the category change content extraction unit 144 determines the change of the category when a predetermined period has elapsed since the RSS content was registered. That is, upon receiving information on the category specified by the category specifying unit 143 from the category specifying unit 143, the category change content extracting unit 144 first determines whether or not a predetermined period has elapsed. And the category change content extraction part 144 discriminate | determines the change of said category, when predetermined period passes.

  Whether or not the predetermined period has elapsed is determined by the category change content extraction unit 144 referring to the “registration / update date” column of the registration information DB 111. That is, it is determined whether or not a predetermined period has elapsed based on the time information stored in the “registration / update date” column of the registration information DB 111 and the current time information. An arbitrary period may be set as the predetermined period. For example, the unit may be year, month, day, or a unit of time such as 12 hours. In the present embodiment, it is assumed that the predetermined period is uniformly determined. However, the predetermined period is not limited to this, but may be determined for each registered RSS content or user, or may be determined by a user's designation.

  The category change notification unit 145 notifies the RSS content extracted by the category change content extraction unit 144 as a notification means that the category has been changed. Specifically, the category change notification unit 145 displays information indicating that the category has been changed on a dedicated Web page of the user who is browsing the RSS content whose category has been changed (see FIG. 8).

The service providing server 20 and the user terminal 30, the hardware configuration can have the same configuration and the notification server 10 described above.

A process flow of the notification server 10 will be described.
With reference to FIG. 5, the RSS content acceptance process in the notification server 10 will be described. FIG. 5 is a flowchart showing RSS content acceptance processing in the notification server 10.

  In step S <b> 11, the content registration receiving unit 141 of the notification server 10 receives a registration request for RSS content registration from the user terminal 30.

  In step S <b> 12, the content registration receiving unit 141 receives the URL of the RSS content desired to be browsed from the user terminal 30. In order for the content registration receiving unit 141 to receive the URL of the RSS content, for example, the user may directly input the URL of the RSS content desired to be browsed in a predetermined input field (not shown), which is provided on a dedicated Web page. Registration may be automatically performed by clicking a registration button. Any known method can be adopted as the RSS content registration method.

  In step S13, the content registration receiving unit 141 receives the designation of the RSS content category received in step S12. In order for the content registration accepting unit 141 to accept the designation of a category, for example, the option of the candidate category can be displayed on a dedicated Web page, and the selection from the user terminal 30 can be accepted. At this time, the displayed category options may be determined based on the text information included in the registered RSS content and the category DB 113, or may be unrelated to the registered RSS content. Good.

  In step S <b> 14, the content registration receiving unit 141 stores the user ID, RSS URL, category, and registration date of the user who has requested registration in the registration information DB 111.

  With reference to FIG. 6, a process in which the notification server 10 performs notification of RSS content distribution and category change will be described. FIG. 6 is a flowchart illustrating a process of performing notification of RSS content distribution and category change in the notification server 10.

In step S21, the content information acquisition unit 142 of the notification server 10 determines whether an RSS content browsing request has been received. If the content information acquisition unit 142 accepts the browsing request (YES in step S21), the process proceeds to step S22. If the browsing request is not accepted (NO in step S21), the process waits as it is. To do.
The content information acquisition unit 142 receives a browsing request for RSS content to be displayed on the dedicated Web page from the service providing server 20. The content information acquisition unit 142 may accept an RSS content browsing request from the user terminal 30. In this case, when the user terminal 30 receives the dedicated web page, the user terminal 30 analyzes the program describing the dedicated web page and transmits an RSS content browsing request to the notification server 10.
The browsing request includes at least information on the user ID and RSS URL of the dedicated Web page for displaying the RSS content.

  In step S22, the content information acquisition unit 142 reads the update information data of the corresponding RSS content from the content DB 112 based on the user ID and RSS URL included in the browsing request.

  In step S23, the category specifying unit 143 specifies the category of the RSS content based on the read RSS content.

  In step S24, the category change content extraction unit 144 refers to the time information in the “registration / update date” column stored in the registration information DB 111, and determines whether or not a predetermined period has elapsed from the time information. If the predetermined period has elapsed (YES in step S24), the process proceeds to step S25. If the predetermined period has not elapsed (NO in step S24), the process proceeds to step S27.

  In step S25, the category change content extraction unit 144 determines whether the category has been changed. The category change content extraction unit 144 refers to the “category” column of the registration information DB 111 to determine whether the category specified in step S23 is different from the category of the RSS content. If the categories are different (YES in step S25), the process proceeds to step S26, assuming that the category has been changed. If the categories are the same (NO in step S25), the process proceeds to step S27.

  In step S26, the category change notification unit 145 notifies the category change. The category change notification unit 145 displays a message indicating that the category has been changed on the dedicated Web page of the user ID that has accepted the browsing request (see FIG. 8). 30 or the service providing server 20.

  In step S <b> 27, the content information acquisition unit 142 transmits the acquired RSS content to the user terminal 30 or the service providing server 20.

  With reference to FIG. 7, the category specifying process performed by the category specifying unit 143 will be described. FIG. 7 is a flowchart showing the category specifying process performed by the category specifying unit 143.

  In step S31, the category identification unit 143 extracts the text information of the RSS content acquired by the content information acquisition unit 142.

  In step S32, the category specifying unit 143 performs morphological analysis on the extracted text information, and counts the number of appearances for each word included in the text information of the RSS content (step S33).

  In step S34, the category specifying unit 143 creates a word list from the words for which the number of appearances has been counted. Specifically, the category specifying unit 143 calculates the importance level for words included in the RSS content. And the category specific | specification part 143 produces the word list by the word with high importance. It is preferable that the words included in the word list are, for example, words having a predetermined number of rankings from the words with the highest importance among the words whose importance is calculated.

  In step S <b> 35, the category identification unit 143 compares the words in the word list with the words stored in the “keyword” column of the category DB 113, and calculates the similarity. Then, the category specifying unit 143 extracts the word having the highest similarity among the words stored in the “keyword” column of the category DB 113 (step S36).

  In step S <b> 37, the category specifying unit 143 outputs the category associated with the word having the highest similarity to the category changed content extracting unit 144 as the category to which the RSS content belongs.

  A display example displayed on the user terminal 30 will be described with reference to FIG. FIG. 8 is a diagram illustrating a display example on the user terminal 30.

A dedicated web page 50 is displayed on the display area (not shown) of the user terminal 30 in the display area of the web browser. The dedicated Web page is provided with a message area 51 and an RSS content display area 52 in which RSS contents 521, 522, and 523 are displayed. In the message area 51, the message transmitted by the category change notification unit 145 is displayed.
In the present embodiment, a YES button 511 and a NO button 512 are provided in the message area 51. When the user selects the YES button 511 using an operation means (not shown) such as a mouse or a keyboard of the user terminal 30, the content registration receiving unit 141 refers to the registration information DB 111 and changes the category. The registration for the determined RSS is deleted. If the NO button 512 is selected, that state is maintained.

In the above description , the category specifying unit 143 determines the category every time the content information acquisition unit 142 acquires RSS content. However, in the present embodiment, for example, a predetermined period performed by the category change content extraction unit 144 has elapsed. Is determined by the category specifying unit 143, and the category is determined only for the RSS content determined to have passed for a predetermined period . In this case, a configuration in which the category specifying unit 143 and the category change content extracting unit 144 are combined corresponds to the category specifying change determining unit in the present invention.

Further, in the present embodiment, at the time of registration of RSS content, designation of a category to which the RSS content belongs is also accepted and registered, but this is not a limitation. For example, when the content registration accepting unit 141 accepts registration of RSS content, the content information obtaining unit 142 obtains the registered RSS content ( content requested for registration) , and the category specifying unit 143 receives the RSS content. A category may be specified, and the category specified by the category specifying unit 143 may be stored in the registration information DB 111 as a category of registered RSS content.
Thereby, the registration of the category by the user can be omitted.

DESCRIPTION OF SYMBOLS 1 System 10 Notification server 11 Memory | storage part 12 Display part 13 Operation part 14 Control part 20 Service provision server 30 User terminal 141 Content registration reception part 142 Content information acquisition part 143 Category specification part 144 Category change content extraction part 145 Category change notification part N Communication network

Claims (5)

A server that displays content on a user's terminal registered in a predetermined service provided through a communication network on the user's dedicated web page;
Content registration acceptance means for accepting registration of the URL of the content desired to be browsed from the terminal and the category of the content desired to be browsed;
Content storage means for storing a URL of the content received and registered by the content registration reception means;
Registration information storage means for storing the category in association with the identification information of the user;
Content acquisition means for acquiring the registered content based on the URL of the content stored in the content storage means;
After a predetermined period of time has passed since the content registration accepting unit has accepted the registration, the acquired content category is specified based on the content acquired by the content acquiring unit, and the specified category is the category at the time of registration. Category specific change determining means for determining whether or not they are different,
Notification that notifies the terminal that the category of the acquired content has been changed from the category at the time of registration when the category specific change determination means determines that the specified category is different from the category at the time of registration Means,
A server comprising The content acquisition means includes
When the content registration accepting unit accepts registration of the URL of the content desired to be browsed, the content desired to be browsed is acquired as a content requested to be registered;
The category specific change determining means includes
Identify the category of the content requested by the content acquisition means,
The registration information storage means includes
The server according to claim 1, wherein the category specified by the category specification change determination unit is stored in association with the identification information of the user . The content acquisition means includes
The server according to claim 1 , wherein the registered content requested to be browsed is acquired based on a URL of the content stored in the content storage unit . A method of displaying content on a user's terminal registered on a predetermined service provided through a communication network on the user's dedicated web page,
Computer
Receiving registration of the URL of the content desired to be browsed from the terminal and the category of the content desired to be browsed;
Storing the category in association with the identification information of the user;
Storing the URL of the registered content;
Obtaining the registered content based on a URL of the registered content;
After a predetermined period of time has elapsed since receiving registration regarding the content desired to be browsed, the category of the acquired content is specified based on the acquired content, and whether or not the specified category is different from the category at the time of registration. A step of determining;
Notifying the terminal that the category of the acquired content has been changed from the category at the time of registration when it is determined that the specified category is different from the category at the time of registration ;
How to run. A program for displaying content on a user's terminal registered on a predetermined service provided through a communication network on the user's dedicated Web page,
Computer
Content registration acceptance means for accepting registration of the URL of the content desired to be browsed from the terminal and the category of the content desired to be browsed;
Registration information storage means for storing the category in association with the identification information of the user;
Content storage means for storing a URL of the registered content;
Content acquisition means for acquiring the registered content based on the URL of the registered content stored in the content storage means;
After a predetermined period of time has passed since the content registration accepting unit has accepted the registration, the acquired content category is specified based on the content acquired by the content acquiring unit, and the specified category is the category at the time of registration. Category specific change determining means for determining whether or not they are different,
Notification that notifies the terminal that the category of the acquired content has been changed from the category at the time of registration when the category specific change determination means determines that the specified category is different from the category at the time of registration Means,
Program to function as.

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