JP4273091B2 - Content search method and content search device - Google Patents

Description

  The present invention relates to a content search method and a content search device for searching content that matches an input keyword from a stored content group.

  In recent TV program recorders, it is possible to search for TV programs that include the keyword input by the user in the EPG information and record the searched TV programs.

  Conventionally, keywords are extracted with a simple algorithm that separates kanji / hirakana / katakana / numbers / alphabet boundaries, so that a character string that cannot be recognized as a word is extracted, or a keyword that is recognized as a word is “It was not a search function that viewers could be satisfied with enough to extract unrecognized character strings.”, “Installing a dictionary storing proper nouns in advance, Match the information and present the matching word as a keyword to the viewer, as well as the keyword information of the EPG system that sends the keyword information and the viewer-selected program so that the keyword can be presented according to the trend and time. Comparing the program information with the matched keywords and presenting them to the viewer. By, there is invention to solutions that presented. "The viewer looking a program that contains the string of the selected keyword in the program information (e.g., see Patent Document 1.).

  Further, “an electronic program guide search method and an electronic program guide search method for retrieving desired program information by searching program information stored in an EPG database based on a related keyword related to a search keyword input by a user” "Providing a device", "A data server having an EPG database storing program information of an electronic program guide, access means for accessing the data server, and program information of the electronic program guide" And a dictionary database composed of a search keyword and a related keyword related to the search keyword. The client inputs a desired search keyword. Related keywords related to the input search keyword. There is an invention that solves the problem that "the program information of the electronic program guide is retrieved from the dictionary database and the extracted related keyword and the input search keyword" (for example, see Patent Document 2). .)

  In addition, “in a user server and a data server that can receive the same broadcast program information, a search for a desired broadcast program is performed by a search specialized data server, and the user server obtains only the search result with a small amount of data. “Providing a device capable of searching for a desired broadcast program”, “having a database capable of storing broadcast program information and having a function of searching for broadcast program information stored in this database. A data server, and a user server that stores the same information as the broadcast program information stored in the data server and has a function of selecting a desired broadcast program from the stored broadcast program information. Search for broadcast program information stored in the site using content keywords such as performers, and use this content key. In other words, there is an invention in which a desired broadcast program is selected from broadcast programs based on a program search identification code (event ID) extracted by searching in a mode. For example, see Patent Document 3.)

Another object of the present invention is to provide a program guide display device that can display a program guide that can efficiently recognize a program that the user particularly wants to watch even when there are many programs that match the user's preference. , “EPG information storage means for storing EPG information of a plurality of programs, a keyword for program search input by the user, and evaluation information for each keyword are stored in association with information for identifying the user. The information storage means, the signal requesting display of the program guide, and the information for identifying the user are received and input by the user specified by the information for identifying the user and stored in the search information storage means The EPG information stored in the EPG information storage means is searched using a keyword for program search, and the program detected by this search is based on evaluation information for each keyword. Create a program guide arrangement, there is invention to solutions that have a structure in which an information display means for displaying. "(E.g., see Patent Document 4.).
JP 2004-31627 A JP 2001-337980 A JP 2001-103448 A Japanese Patent Laid-Open No. 11-308547

  However, when a TV program including the keyword input by the user in the EPG information is searched and the searched TV program is recorded, the corresponding EPG information does not include the keyword, so that a TV program that cannot be recorded is generated. There can be.

  In order to eliminate omissions in recording, TV program recorders that meet the usage method of continuously recording TV programs of all channels 24 hours a day and later playing TV programs of interest will appear. Is expected. In such a case, it is not necessary to select a television program that the user wants to record from the EPG or to select by a keyword. However, in such a case, for example, in order to obtain a list of interested TV programs from the past week's TV programs, even if keyword search is performed from sentences included in the EPG for the past week, many TV programs Are uniformly included in the list, and it may be difficult to narrow down the television programs to be reproduced. Further, as in the past, since the EPG information does not include a keyword, a television program that is omitted from the search may occur.

  Therefore, an object of the present invention is to provide a content search method and a content search device for accurately searching content that matches an input keyword from a stored content group.

According to a first aspect of the present invention, a writing step for performing writing on a plurality of contents in association with at least one keyword generated based on the content and a homepage corresponding to the content on a recording medium; In a content search method comprising: a reading step of reading out a selected content of at least one content associated with the keyword from the recording medium , in the writing step, the content and writing the at least one keyword the recording medium the homepage in association with each other as well, the read step, if you enter a keyword, displaying at least one home page are correlated to the keyword Homupe A display step, the Web page display of the home page displayed in step, website selection step and said content being correlated to the website selected by the website selection step recording medium to select the home page specified by the user And a step for reading from the content.

According to a second aspect of the present invention, a writing step for performing writing on a plurality of contents in association with at least one keyword generated based on the content and a homepage corresponding to the content, on the recording medium; In a content search method comprising: a reading step of reading out a selected content of at least one content associated with the keyword from the recording medium , in the writing step, the content and the write to the recording medium in association with the homepage mutually not only at least one keyword, the reading step, if you enter the keyword, identification information of at least one content that has been correlated to the keyword, Related information And identification information display step of displaying the both, the identification information display identification information displayed in the step, related information or of both, the identification information designated by the user, relevant information or identification to select that both and such selection step information, the identification information selected identification information in the selection step, a homepage display step of displaying the home page corresponding to the related information or both, were correlated to the home page displayed in the Web page display step if you enter a selection operation, content search method characterized by comprising the steps of: reading the contents that are correlated to the displayed home page from the recording medium.

According to the third aspect of the present invention, a client performs a writing step of writing a plurality of contents in association with contents and content identification information on a recording medium, and a server based on a homepage corresponding to the contents. A holding step for holding at least one generated keyword and the content identification information in association with each other for a plurality of contents, and if the keyword is input at the client, the keyword is transmitted to the server An inquiry step; if the server receives the keyword, a reply step of transmitting at least one content identification information associated with the keyword to the client; and Upon receiving the content identification information, and reading step of reading the content selected among the at least one content associated with the one content identification information said at least from the recording medium, the content search method comprising a in the writing step, at the client, it is written to the recording medium in association homepage mutually corresponding to the content not only the content identification information and the contents, the read step, at the client, the at least one content Upon receiving the identification information, and the Web page display step of displaying at least one home page are correlated to one content identification information the at least, at the client, the Web page display Of the home page displayed in step reads the home page selection step of selecting the home page specified by the user, at the client, the content that is correlated to the website selected by the website selection step from said recording medium step And a content search method characterized by comprising:

According to the fourth aspect of the present invention, the client performs a writing step of writing a plurality of contents in association with the contents and the content identification information on the recording medium, and the server based on the homepage corresponding to the contents. A holding step for holding at least one generated keyword and the content identification information in association with each other for a plurality of contents, and if the keyword is input at the client, the keyword is transmitted to the server An inquiry step; if the server receives the keyword, a reply step of transmitting at least one content identification information associated with the keyword to the client; and Upon receiving the content identification information, and reading step of reading the content selected among the at least one content associated with the one content identification information said at least from the recording medium, the content search method comprising a in the writing step, at the client, it is written to the recording medium in association homepage mutually corresponding to the content not only the content identification information and the contents, the read step, at the client, the at least one content Upon receiving the identification information, and the Web page display step of displaying at least one home page is associated with one content identification information the at least, at the client, the Web page display Of the home page displayed in step reads the home page selection step of selecting the home page specified by the user, at the client, the content that is correlated to the website selected by the website selection step from said recording medium step And a content search method characterized by comprising:

According to the fifth aspect of the present invention, a writing step for performing writing on a recording medium in association with a content and a homepage corresponding to the content with respect to the plurality of contents, and if a keyword is input, the keyword is A search step of searching the recording medium for at least one home page including the read-out step, and a reading step of reading a selected content from the recording medium among at least one content associated with the searched at least one home page; , the content search method comprising a said reading step includes a homepage display step of displaying the retrieved at least one home page of the website displayed in the Web page display step, the home designated by the user Content retrieval method is provided, wherein the obtaining Preparations and home selection step of selecting the over-di, a step of reading the content that is correlated to the website selected by the website selection step from the recording medium, the .

According to the present invention, the accumulated content groups, it is possible to accurately find the content appropriate to the input keyword.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings.

[Embodiment 1]
FIG. 1 is a block diagram showing a configuration of a content search apparatus according to Embodiment 1 of the present invention.

  Referring to FIG. 1, the content search apparatus according to the first embodiment of the present invention includes a writing unit 101, an input unit 103, and a reading unit 105.

  The writing unit 101 writes the first content 107-1 to the Nth content 107 -N, the first keyword group 109-1 to the Nth keyword group 109 -N, and the correspondence table 111 to the recording medium 113.

  The first content 107-1 to the Nth content 107-N are, for example, video and audio of a TV program received by the TV tuner, but also received by audio and data broadcasting receivers received by the radio. It may be data. Further, the content may be obtained through a telecommunication line such as the Internet.

  The first keyword group 109-1 is composed of one or more keywords extracted from the home page corresponding to the first content 107-1. The same applies to the second keyword group 109-2 to the Nth keyword group 109-N.

  The correspondence table 111 has a configuration as shown in FIG. 2, for example. Referring to FIG. 2, the correspondence table 111 includes, for each content, content identification information, content related information, a content pointer, and a keyword group pointer. The content identification information is, for example, a set of a channel and a broadcast time, but may be anything as long as it can identify the content. The content related information is, for example, EPG information. The pointer to the content indicates an address where the content is recorded. The pointer to the keyword group indicates an address where the keyword group is recorded.

  Next, a method for acquiring a homepage corresponding to the content 107 will be described.

  As shown in FIG. 3, a table 115 in which URLs of websites corresponding to television programs for each channel and each time zone are recorded is prepared in the EPG server. Then, as shown in FIG. 4, when a television program is received (step S117), the television program is recorded as content 107 (step S119). Next, the current date and time are detected from the clock (step S121). Next, the current channel is detected from the tuner (step S123). Next, the homepage URL is inquired of the EPG server (step S125). This inquiry includes the current date and time detected in step S121 and the current channel detected in step S123. The EPG server searches the table 115 for a URL corresponding to the current date and time and the current channel included in the inquiry (step S127), and returns it (step S129). Note that this URL may be one or more. When there are a plurality of URLs, URLs of homepages linked to each other in one direction or in both directions may be used.

  Next, it is determined whether or not the URL received in step S129 this time is different from the URL received in previous step S129 (step S131). If so (YES in step S131), the WWW server is requested to transmit a home page (step S133). This request includes a URL. The WWW server returns a home page having the received URL (step S135).

  Next, the home page received in step S135 is recorded.

  In addition to the method described with reference to FIGS. 3 and 4, for example, the URL of the EPG server may be inquired using program identification information such as a G code, or a television program may be included in the broadcast EPG information. The URL of the homepage corresponding to can be included.

  Next, the operation of the writing unit 101 shown in FIG. 1 will be described.

  Referring to FIG. 5, first, the received television program is written in the recording medium 113 as the content 107 (step S139). Next, the keyword group 109 is extracted from the homepage corresponding to the content, and the keyword group 109 is written in the recording medium 113 (step S141). Next, a correspondence record is added to the correspondence table 111 (step S143). The method shown in FIG. 5 is performed for each content. As a result, data about a plurality of contents is stored in the recording medium 113 as shown in FIG.

  As shown in FIG. 6, the keyword group 109 is extracted from the homepage 147 by the keyword extraction unit 145. For keyword extraction, for example, a syntax reference method, a dictionary reference method, a morpheme analysis method, or the like is used.

  Next, operations of the input unit 103 and the reading unit 105 shown in FIG. 1 will be described.

  Referring to FIG. 7, first, a keyword is input from the user (step S149). Next, steps S153 and S155 are repeated (step S151).

  In step S153, it is determined whether or not the keyword is included in a keyword group corresponding to the current content. If so (YES in step S153), the current content is added to the candidate (step S155).

  When the repetition of step S151 is completed, information regarding the content included in the candidate is displayed (step S157). Next, content selection is input from the user (step S159). Next, the selected content is read from the recording medium 113 (step S161). The read content is transferred to, for example, an MPEG decoder.

  According to the first embodiment, a keyword group is extracted from the home page corresponding to the content, and the content corresponding to the keyword group including the keyword input from the user is displayed. Therefore, the EPG information including the keyword input from the user is supported. Search omissions are reduced as compared to displaying content to be displayed.

[Embodiment 2]
The second embodiment is different from the first embodiment in a method for obtaining candidate content and then reading the selected content.

  Referring to FIG. 8, steps S149 to S155 are the same as those shown in FIG.

  In step S163, the identification information of the content included in the candidate, the related information, or both are displayed. The display may be a list display or an individual sequential display.

  In step S165, it is determined whether or not there is an input for selecting identification information, related information, or both of any content, and if so, the selected identification information, related information, or both are handled. The content is read from the recording medium 113 (step S167).

  According to the second embodiment, since the user can select the content to be read after confirming the identification information, the related information, or both, the user can make an appropriate selection.

[Embodiment 3]
FIG. 9 is a block diagram showing a configuration of a content search apparatus according to Embodiment 3 of the present invention. As is clear when FIG. 9 is compared with FIG. 1, the content search device according to the fourth embodiment includes the first homepage 147-1 to the Nth homepage on the recording medium 113 as compared with the content search device according to the first embodiment. 147-N also differs in recording.

  FIG. 10 shows the configuration of the correspondence table 111 according to the third embodiment. As is clear when FIG. 10 is compared with FIG. 2, the correspondence table according to the third embodiment is different from the correspondence table according to the first embodiment in that a pointer to a home page is added.

  FIG. 11 is a flowchart illustrating the operation of the writing unit 101 according to the third embodiment. As is clear from comparing FIG. 11 with FIG. 5, the operation of the writing unit 101 according to the third embodiment is compared with the operation of the writing unit 101 according to the first embodiment. Differences are added.

  FIG. 12 is a flowchart illustrating operations of the input unit 103 and the reading unit 105 according to the third embodiment.

  Steps S149 to S155 are the same as those in the first embodiment shown in FIG.

  In step S171, a home page corresponding to the content included in the candidate is displayed. The display may be a list display or an individual sequential display. For example, tile display or cascade display may be used. Alternatively, tags may be attached to all the home pages, and the home pages to which the selected tags are attached may be displayed individually.

  In step S173, it is determined whether or not there is an input for selecting any homepage, and if so, content corresponding to the selected homepage is read from the recording medium 113 (step S175).

  According to the third embodiment, since the user can select the content to be read after confirming the homepage, the user can make an appropriate selection.

[Embodiment 4]
The fourth embodiment is different from the third embodiment in a method until the selected content is read after the candidate content is obtained.

  Referring to FIG. 13, steps S149 to S155 are the same as those shown in FIG.

  In step S177, the identification information of the content included in the candidate, the related information, or both are displayed. The display may be a list display or an individual sequential display.

  In step S179, it is determined whether or not there is an input for selecting identification information, related information, or both of any content, and if so, the selected identification information, related information, or both are supported. A home page is displayed (step S181).

  In step S183, it is determined whether or not there is an input for selecting the displayed homepage. If so, the content corresponding to the selected homepage is read from the recording medium 113 (step S185).

According to the fourth embodiment, the user can select the content to be read after confirming the identification information, the related information, or both, and the homepage, so that the user can make an appropriate selection.

[Embodiment 5]
In the fifth embodiment, the keywords included in the keyword group 109 are weighted.

  For example, as shown in FIG. 14, the weight is in the range of 1 to 5, and the keywords 1, 2 and 3 included in the first keyword group 109-1 are weighted with 3, 2 and 3, respectively. The keyword 2, keyword 3 and keyword 5 included in the second keyword group 109-2 are assigned weights 1, 5 and 3, respectively, and the keyword 2 included in the third keyword group 109-3, The keywords 7 and 8 are assigned 3, 4 and 2, respectively, as weights. For example, it is assumed that the importance of a keyword in content is higher as the weight value is larger.

  In order to determine the weight of a keyword, for example, whether the keyword is included in the title, the appearance frequency of the keyword, the size of the character of the keyword, whether the character of the keyword is decorated, etc. to decide.

  For example, when the input unit 103 inputs the keyword 2, the first content, the second content, and the third content are included in the candidates, but the display is performed in descending order of weight. Therefore, display is performed in the order of the third content, the first content, and the second content. When the input unit 103 inputs the keyword 3, the first content and the second content are included in the candidates, but the display is performed in the order of the second content and the first content.

  Referring to FIG. 15, steps S149 to S153 and S163 to 167 are the same as those shown in FIG.

  Step S187 is provided instead of step S155, and here, the content is added to the candidate together with the weight of the keyword in the content. The weight of the keyword in the content is the weight of the content for the keyword.

  In step S189, the contents included in the candidates are rearranged according to the weight. Accordingly, in the display in step S163, content identification information, related information, or both are displayed in the order of important content.

  According to the fifth embodiment, the user can select the content to be read after confirming the identification information, the related information or both displayed in the order of the important content, and the homepage, and therefore the user makes an appropriate selection. Is possible.

[Embodiment 6]
The sixth embodiment is derived from the third embodiment in the same manner as the fifth embodiment is derived from the second embodiment by weighting the keywords included in the keyword group 109.

  Referring to FIG. 16, steps S149 to S153 and S171 to S175 are the same as those shown in FIG. 12, and steps S187 and S189 are the same as those shown in FIG.

  According to the sixth embodiment, the user can select the content to be read after confirming the homepage displayed in the order of important content, and thus the user can make an appropriate selection.

[Embodiment 7]
The seventh embodiment is derived from the fourth embodiment in the same manner as the fifth embodiment is derived from the second embodiment by weighting the keywords included in the keyword group 109.

  Referring to FIG. 17, steps S149 to S153 and S177 to S185 are the same as those shown in FIG. 13, and steps S187 and S189 are the same as those shown in FIG.

  According to the seventh embodiment, the user can select the content to be read after confirming the identification information, the related information or both displayed in the order of the important content, and the homepage, and the user makes an appropriate selection. Is possible.

[Embodiment 8]
In the eighth embodiment, keywords are classified by category.

  As shown in FIG. 18, a category-specific dictionary 187 is prepared. The category dictionary 187 includes a first category dictionary to an Lth category dictionary (L = 5 as an example in FIG. 18). Categories include, for example, human names, animal names, performing arts, movies, animation, geographic fields, historical fields, economic fields, social fields, political fields, international fields, science fields, electronics fields, machinery fields, agriculture, forestry and fisheries fields, education Fields, medical fields, etc. The same keyword may be included in a dictionary of a plurality of categories.

  Correspondingly, the keyword group 109 is also divided into categories so that the keyword group 109 includes necessary ones from the keyword group of the first category to the keyword group of the Lth category.

  The operation of the writing unit 101 shown in FIG. 1 is shown in FIG.

  Steps S139 and S143 are the same as those shown in FIG. In step S189, step S191 is repeated for all categories in the category dictionary 187.

  In step S191, the dictionary of the current category is referred to, a keyword group included in the current category is extracted from the homepage corresponding to the content, and is written in the recording medium 113. If there is no keyword included in the current category on the home page corresponding to the content, the keyword group need not be generated.

  In this way, for example, as shown in FIG. 18, the first keyword group 109-1 includes a keyword group of the first category, a keyword group of the third category, and a keyword group of the fifth category. It becomes. This is because the homepage corresponding to the first content includes the keyword belonging to the first category, the keyword belonging to the third category, and the keyword belonging to the fifth category, but the keyword belonging to the second category and the fourth category. This means that keywords that belong to the category are not included. The same applies to the second keyword group 109-2 and the Nth keyword group 109-N.

  The operations of the input unit 103 and the reading unit 105 shown in FIG. 1 are shown in FIG.

  Steps S149, S151 and S157 to S161 are the same as those shown in FIG.

  In step S193, category designation is input from the user. The category may be specified by one category, a plurality of categories, or all categories.

  In step S195, steps S197 and S155 are repeated for the designated category.

  In step S197, it is determined whether or not the keyword is included in the keyword group corresponding to the current content and the current category. If so (YES in step S197), the current content is added to the candidate (step S155).

  According to the eighth embodiment, since it is only necessary to determine whether or not a keyword is included in a keyword group of a specified category, compared with a case where it is determined whether or not a keyword is included in a keyword group that is not classified by category. , Search time is reduced. Accordingly, the responsiveness is improved. In addition, there is a possibility that the entered keyword may be included in this category, but if it is determined that the content of that category is unnecessary, the responsiveness can be accelerated and the content that does not require candidates is not included. Can be.

[Embodiment 9]
The ninth embodiment is almost the same as the eighth embodiment, but the category designation method is different. In the ninth embodiment, the category is automatically designated without inputting the category designation from the user.

  The operations of the input unit 103 and the reading unit 105 shown in FIG. 1 are shown in FIG. As is clear when FIG. 21 is compared with FIG. 20, steps S199 to S203 are performed instead of step S193.

  In step S199, steps S201 and S203 are repeated for all categories.

  In step S201, it is determined whether or not the input keyword is included in the dictionary of the current category. If so, the current category is added to the designated category (step S203).

  According to the ninth embodiment, when the user cannot determine which category the input keyword belongs to, the determination can be automatically performed by the apparatus.

[Embodiment 10]
FIG. 22 is a block diagram showing a configuration of a content search apparatus according to Embodiment 10 of the present invention.

  Referring to FIG. 22, the content search apparatus according to the tenth embodiment of the present invention includes a client side writing unit 204, an input unit 103, a reading unit 105, a communication unit 205, a communication unit 207, an inquiry unit 209, and a server side writing unit. 210. The client side writing unit 204, the input unit 103, the reading unit 105, and the communication unit 205 are included in the client. The communication unit 207, the inquiry unit 209, and the server side writing unit 210 are included in the server.

  The client side writing unit 204 writes the first content 107-1 to the Nth content 107-N and the client side correspondence table 211 to the recording medium 113.

  The server side writing unit 210 writes the first keyword group 109-1 to the Nth keyword group 109 -N and the server side correspondence table 217 to the recording medium 213.

  The client side correspondence table 211 has a configuration as shown in FIG. 23, for example. Referring to FIG. 23, for each content, the client side correspondence table 211 includes content identification information, content related information, and a pointer to the content. The server side correspondence table 217 has a configuration as shown in FIG. 23, for example. Referring to FIG. 23, the server-side correspondence table 217 includes content identification information and a pointer to a keyword group for each content.

  The communication unit 205 and the communication unit 207 communicate with each other, and the inquiry unit 209 makes an inquiry to the data recorded on the recording medium 213.

  Next, the operation of the client writing unit 204 shown in FIG. 22 will be described.

  Referring to FIG. 24, first, the received television program is written in the recording medium 113 as the content 107 (step S139). Next, a correspondence record is added to the client side correspondence table 211 (step S219). The method shown in FIG. 24 is performed for each content. As a result, the recording medium 113 stores data for a plurality of contents as shown in FIG.

  Next, the operation of the server side writing unit 210 shown in FIG. 22 will be described.

  Referring to FIG. 25, first, the keyword group 109 is extracted from the homepage corresponding to the content, and the keyword group 109 is written in the recording medium 213 (step S141). Next, a correspondence record is added to the server side correspondence table 217 (step S221). The method shown in FIG. 25 is performed for each content. As a result, the recording medium 213 stores data for a plurality of contents as shown in FIG.

  Next, operations of the input unit 103, the reading unit 105, the communication unit 205, the communication unit 207, and the inquiry unit 209 illustrated in FIG. 22 will be described.

  Referring to FIG. 26, first, the input unit 103 inputs a keyword from the user (step S149). Next, the communication unit 205 transmits the keyword to the communication unit 207 (step S223). Next, the inquiry unit 209 repeats steps S153 and S155 (step S151).

  In step S153, it is determined whether or not the keyword is included in a keyword group corresponding to the current content. If so (YES in step S153), the current content is added to the candidate (step S155).

  When the repetition of step S151 is completed, the communication unit 207 transmits content identification information included in the candidate to the communication unit 205 (step S225).

  Next, the reading unit 105 displays information regarding the content included in the candidates (step S157). Next, content selection is input from the user (step S159). Next, the selected content is read from the recording medium 113 (step S161). The read content is transferred to, for example, an MPEG decoder.

  According to the tenth embodiment, the keyword group is created on the server. Therefore, it is possible to perform advanced keyword extraction that requires a large amount of computation, which is impossible with a home TV program recorder. Further, when the algorithm for keyword extraction is improved, the improved algorithm can be used only by changing the software on the server side.

[Embodiment 11]
The eleventh embodiment is derived from the tenth embodiment in the same manner as the first embodiment is derived from the first embodiment.

  Referring to FIG. 27, steps S149, S223, S151 to S155, and S255 are the same as those shown in FIG. 26, and steps S163 to S167 are the same as those shown in FIG.

[Embodiment 12]
The twelfth embodiment is derived from the tenth embodiment in the same manner as the first to third embodiments.

  FIG. 28 is a block diagram showing a configuration of a content search apparatus according to Embodiment 12 of the present invention. As is clear when FIG. 28 is compared with FIG. 22, the content search device according to the twelfth embodiment includes the first homepage 147-1 to the Nth homepage in the recording medium 113 when compared with the content search device according to the tenth embodiment. 147-N also differs in recording.

  FIG. 29 shows the configurations of the client-side correspondence table 211 and the server-side correspondence table 217 according to the twelfth embodiment. As is clear from comparing FIG. 29 with FIG. 23, the client-side correspondence table 211 according to the twelfth embodiment Compared to the client-side correspondence table 211 according to the tenth embodiment, a difference is that a pointer to a home page is added.

  FIG. 30 is a flowchart illustrating the operation of the client side writing unit 204 according to the twelfth embodiment. As is apparent from a comparison of FIG. 30 with FIG. 24, the operation of the client side writing unit 204 according to the twelfth embodiment is compared with the operation of the client side writing unit 204 according to the tenth embodiment. The difference is that a writing step 169 is added.

  FIG. 31 is a flowchart illustrating operations of the input unit 103, the reading unit 105, the communication unit 205, the communication unit 207, and the inquiry unit 209 according to the twelfth embodiment.

  Referring to FIG. 31, steps S149, S223, S151 to S155, and S255 are the same as those shown in FIG. 26, and steps S171 to S175 are the same as those shown in FIG.

[Embodiment 13]
The thirteenth embodiment is derived from the tenth embodiment in the same manner as the first to fourth embodiments.

  FIG. 32 is a flowchart illustrating operations of the input unit 103, the reading unit 105, the communication unit 205, the communication unit 207, and the inquiry unit 209 according to the thirteenth embodiment.

  Referring to FIG. 32, steps S149, S223, S151 to S155, and S255 are the same as those shown in FIG. 26, and steps S177 to S185 are the same as those shown in FIG.

[Embodiment 14]
The fourteenth embodiment is derived from the tenth embodiment in the same manner as the first to fifth embodiments.

  FIG. 33 is a flowchart illustrating operations of the input unit 103, the reading unit 105, the communication unit 205, the communication unit 207, and the inquiry unit 209 according to the fourteenth embodiment.

  Referring to FIG. 33, steps S149, S223, S151, S153, and S255 are the same as those shown in FIG. 26, and steps S187, S189, and S163 to S167 are the same as those shown in FIG. To do.

[Embodiment 15]
The fifteenth embodiment is derived from the tenth embodiment in the same manner as the first to sixth embodiments.

  FIG. 34 is a flowchart illustrating operations of the input unit 103, the reading unit 105, the communication unit 205, the communication unit 207, and the inquiry unit 209 according to the fifteenth embodiment.

  Referring to FIG. 34, steps S149, S223, S151, S153, and S255 are the same as those shown in FIG. 26, and steps S187, S189, and S171 to S175 are the same as those shown in FIG. To do.

[Embodiment 16]
The sixteenth embodiment is derived from the tenth embodiment in the same manner as the first to seventh embodiments.

  FIG. 35 is a flowchart illustrating operations of the input unit 103, the reading unit 105, the communication unit 205, the communication unit 207, and the inquiry unit 209 according to the sixteenth embodiment.

  Referring to FIG. 35, steps S149, S223, S151, S153, and S255 are the same as those shown in FIG. 26, and steps S187, S189, and S177 to S185 are the same as those shown in FIG. To do.

[Embodiment 17]
The seventeenth embodiment is derived from the tenth embodiment in the same manner as the first to eighth embodiments. The keyword group on the server side is classified into categories as in the eighth embodiment.

  Accordingly, the operation of the server side writing unit 210 is different from that of the tenth embodiment, as shown in FIG. Steps S189 and 191 are the same as those shown in FIG. 19, and step S221 is the same as that shown in FIG.

  FIG. 37 is a flowchart illustrating operations of the input unit 103, the reading unit 105, the communication unit 205, the communication unit 207, and the inquiry unit 209 according to the seventeenth embodiment.

  Referring to FIG. 37, steps S149, S223, S151, S255, and S157 to S161 are the same as those shown in FIG. 26, and steps S195, S197, and S155 are the same as those shown in FIG. To do.

[Embodiment 18]
The eighteenth embodiment is derived from the tenth embodiment in the same manner as the first to ninth embodiments. The eighteenth embodiment is derived from the seventeenth embodiment in the same manner as the eighth embodiment is derived from the eighth embodiment.

  FIG. 38 is a flowchart illustrating operations of the input unit 103, the reading unit 105, the communication unit 205, the communication unit 207, and the inquiry unit 209 according to the eighteenth embodiment.

  Referring to FIG. 38, steps S149, S223, S151, S255, and S157 to S161 are the same as those shown in FIG. 26, steps S195, S197, and S155 are the same as those shown in FIG. Is the same as that shown in FIG.

[Embodiment 19]
In Embodiments 1 to 18, a keyword group is provided for each content. However, in Embodiment 19, no keyword group is provided.

  FIG. 39 is a block diagram showing a configuration of a content search apparatus according to Embodiment 19 of the present invention. As is clear when FIG. 39 is compared with FIG. 9, the nineteenth embodiment is different from the third embodiment in that the first homepage 147-1 to the Nth homepage 147-N are deleted.

  FIG. 40 shows the structure of the correspondence table 111 according to the nineteenth embodiment. As is clear from comparing FIG. 40 with FIG. 10, the correspondence table 111 of the nineteenth embodiment is different from that of the third embodiment in that the pointers to keyword groups are deleted.

  FIG. 41 is a flowchart showing the operation of the writing unit 101 according to the nineteenth embodiment. As is clear when FIG. 41 is compared with FIG. 11, the operation of the writing unit 101 according to the nineteenth embodiment is different from the operation of the writing unit 101 according to the third embodiment in that step S141 is deleted.

  FIG. 42 is a flowchart illustrating operations of the input unit 103 and the reading unit 105 according to the nineteenth embodiment. As is clear when FIG. 42 is compared with FIG. 7, the operation of the nineteenth embodiment is different from that of the first embodiment in that step S153 is replaced with step S227. In step S227, it is determined whether or not the keyword input in step S149 is included in the homepage corresponding to the current content.

[Embodiment 20]
The twentieth embodiment is derived from the nineteenth embodiment in the same manner as the first embodiment is derived from the first embodiment.

  FIG. 43 is a flowchart illustrating operations of the input unit 103 and the reading unit 105 according to the twentieth embodiment. As is clear when FIG. 43 is compared with FIG. 8, the operation of the twentieth embodiment is different from that of the second embodiment in that step S153 is replaced by step S227.

[Embodiment 21]
The twenty-first embodiment is derived from the nineteenth embodiment in the same manner as the first to third embodiments.

  FIG. 44 is a flowchart illustrating operations of the input unit 103 and the reading unit 105 according to the twenty-first embodiment. As is clear when FIG. 44 is compared with FIG. 12, the operation of the embodiment 21 is different from that of the embodiment 3 in that step S153 is replaced with step S227.

[Embodiment 22]
The twenty-second embodiment is derived from the twenty-second embodiment in the same manner as the second to fifth embodiments.

  FIG. 45 is a flowchart illustrating operations of the input unit 103 and the reading unit 105 according to the twenty-second embodiment. As is clear from comparison of FIG. 45 with FIG. 43, the operation of the twenty-second embodiment is different from that of the twentieth embodiment in that step S229 and step S189 are added and step S155 is replaced with step S287. . In step 229, the weights of the keywords input in step S149 and determined to be included in the homepage in step S227 are obtained by the same method as the weights of the keywords obtained in the fifth embodiment. Steps S187 and S189 are the same as those shown in FIG.

[Embodiment 23]
The twenty-third embodiment is derived from the twenty-first embodiment in the same manner as the fifth embodiment is derived from the third embodiment.

  FIG. 46 is a flowchart illustrating operations of the input unit 103 and the reading unit 105 according to the twenty-third embodiment. As is clear from comparing FIG. 46 with FIG. 44, the operation of the twenty-third embodiment differs from that of the twenty-first embodiment in that step S229 and step S189 are added, and step S155 is replaced with step S287. . Step 229 is the same as that shown in FIG. 45, and steps S187 and S189 are the same as those shown in FIG.

  The apparatus shown in FIG. 1, the apparatus shown in FIG. 9, the apparatus shown in FIG. 22, the apparatus shown in FIG. 28, and the apparatus shown in FIG. 39 can be realized by hardware. It can also be realized by a computer reading and executing a program for causing the computer to function. 1, the apparatus shown in FIG. 9, the apparatus shown in FIG. 22, the apparatus shown in FIG. 28, and the method shown in FIG. 39 can be implemented by hardware, It can also be realized by a computer reading and executing a program for performing these methods.

It is a block diagram which shows the structure of the content search device by Embodiment 1 of this invention. It is a figure which shows the structure of the correspondence table shown in FIG. It is a figure which shows the table which recorded URL of the homepage corresponding to the television program for every channel and every time slot | zone by embodiment of this invention. 5 is a flowchart illustrating a method for acquiring a homepage according to an embodiment of the present invention. It is a flowchart which shows operation | movement of the writing part shown in FIG. 1 in Embodiment 1 of this invention. It is a block diagram which shows the keyword extraction part etc. by embodiment of this invention. 2 is a flowchart illustrating operations of an input unit and a reading unit illustrated in FIG. 1 in Embodiment 1 of the present invention. It is a flowchart which shows operation | movement of the input part and reading part which are shown in FIG. 1 in Embodiment 2 of this invention. It is a block diagram which shows the structure of the content search apparatus by Embodiment 3 of this invention. It is a figure which shows the structure of the correspondence table shown in FIG. It is a block diagram which shows operation | movement of the writing part shown in FIG. 10 in Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 10, and the reading part in Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 10, and the reading part in Embodiment 4 of this invention. It is a figure for demonstrating the weighting of the keyword in Embodiment 5 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 10, and the reading part in Embodiment 5 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 10, and the reading part in Embodiment 6 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 10, and the reading part in Embodiment 7 of this invention. It is a figure which shows the category dictionary and the keyword group according to Embodiment 6 of this invention. It is a flowchart which shows operation | movement of the writing part shown in FIG. 1 in Embodiment 8 of this invention. It is a flowchart which shows operation | movement of the input part and reading part which are shown in FIG. 1 in Embodiment 8 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 1, and the reading part in Embodiment 9 of this invention. It is a block diagram which shows the structure of the content search apparatus by Embodiment 10 of this invention. It is a figure which shows the structure of the client side correspondence table | surface and server side correspondence table | surface shown in FIG. It is a flowchart which shows operation | movement of the client side writing part shown in FIG. 22 in Embodiment 10 of this invention. It is a flowchart which shows operation | movement of the server side writing part shown in FIG. 22 in Embodiment 10 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 22 in Embodiment 10 of this invention, a reading part, a communication part, and an inquiry part. It is a flowchart which shows operation | movement of the input part shown in FIG. 22 in Embodiment 11 of this invention, a reading part, a communication part, and an inquiry part. It is a block diagram which shows the structure of the content search device by Embodiment 12 of this invention. It is a figure which shows the structure of the client side correspondence table | surface and server side correspondence table | surface shown in FIG. It is a flowchart which shows operation | movement of the client side writing part shown in FIG. 28 in Embodiment 12 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 28 in Embodiment 12 of this invention, a reading part, a communication part, and an inquiry part. It is a flowchart which shows operation | movement of the input part shown in FIG. 28 in Embodiment 13 of this invention, a reading part, a communication part, and an inquiry part. It is a flowchart which shows operation | movement of the input part shown in FIG. 28 in Embodiment 14 of this invention, a reading part, a communication part, and an inquiry part. It is a flowchart which shows operation | movement of the input part shown in FIG. 28 in Embodiment 15 of this invention, a reading part, a communication part, and an inquiry part. It is a flowchart which shows operation | movement of the input part shown in FIG. 28 in Embodiment 16 of this invention, a reading part, a communication part, and an inquiry part. It is a flowchart which shows operation | movement of the server side writing part shown in FIG. 28 in Embodiment 17 of this invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 28 in Embodiment 17 of this invention, a reading part, a communication part, and an inquiry part. It is a flowchart which shows operation | movement of the input part shown in FIG. 28 in Embodiment 18 of this invention, a reading part, a communication part, and an inquiry part. It is a block diagram which shows the structure of the content search apparatus by Embodiment 19 of this invention. It is a figure which shows the structure of the correspondence table shown in FIG. It is a flowchart which shows operation | movement of the writing part shown in FIG. 39 in Embodiment 19 of this invention. 40 is a flowchart showing operations of an input unit and a reading unit shown in FIG. 39 in Embodiment 19 of the present invention. It is a flowchart which shows operation | movement of the input part shown in FIG. 39 in Embodiment 20 of this invention, and a read-out part. It is a flowchart which shows operation | movement of the input part shown in FIG. 39 in Embodiment 21 of this invention, and a read-out part. It is a flowchart which shows operation | movement of the input part shown in FIG. 39 in Embodiment 22 of this invention, and a read-out part. It is a flowchart which shows operation | movement of the input part shown in FIG. 39 in Embodiment 23 of this invention, and a read-out part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 Writing part 103 Input part 105 Reading part 107 Content 109 Keyword group 111 Correspondence table 147 Homepage 187 Category dictionary 204 Client side writing part 205,207 Communication part 209 Query part 211 Client side correspondence table 217 Server side correspondence table

Claims (1)

A writing step of performing writing on a recording medium in association with at least one keyword generated based on content and a homepage corresponding to the content, on a plurality of contents;
If a keyword is input, a reading step of reading from the recording medium selected content of at least one content associated with the keyword;
In a content search method comprising:
In the writing step, not only the content and the at least one keyword but also the homepage are written in association with each other on the recording medium,
The reading step includes
If a keyword is input, a homepage display step for displaying at least one homepage associated with the keyword;
A homepage selection step of selecting a homepage designated by the user among the homepages displayed in the homepage display step;
Reading from the recording medium the content associated with the homepage selected in the homepage selection step;
A content search method comprising:

Images