JP2006261788A - Contents searching method and contents searching apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a contents searching method and a contents searching apparatus for accurately searching contents adaptive to an entered keyword from a group of stored contents. <P>SOLUTION: The contents searching method includes: a write step of cross-referencing contents and at least one keyword generated on the basis of a homepage associated with the contents with each other and writing the cross-reference to a recording medium over a plurality of contents; and a read step of reading contents selected from at least one contents associated with an entered keyword from a recording medium, and the read step may include a step of displaying identification information, or associated information or the both of at least one contents associated with the keyword when the keyword is entered, and a step of reading the contents corresponding to the identification information, or the associated information or the both selected out of the displayed identification information, associated information or the both. <P>COPYRIGHT: (C)2006,JPO&NCIPI

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, a signal requesting display of the program guide, and information for identifying the user are received, 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 it 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 related to the content on a recording medium; A content search method comprising: a step of reading, from the recording medium, selected content of at least one content associated with the keyword when input.

  In the above-described content search method, when the keyword is input, the reading step displays the identification information of at least one content associated with the keyword, the related information or both, and the displayed identification Reading the content corresponding to the identification information selected in the information, the related information, or both, the content corresponding to the related information, or both from the recording medium.

  In the content search method, 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, and the reading step is performed by inputting the keyword when the keyword is input. A step of displaying at least one home page associated with the home page, and a step of reading content associated with the home page selected from the displayed home pages from the recording medium.

  In the content search method, 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, and the reading step is performed by inputting the keyword when the keyword is input. Displaying identification information and / or related information of at least one content associated with the ID information and / or related information selected in the displayed identification information and / or related information. A step of displaying a corresponding home page; and a step of reading a content associated with the displayed home page from the recording medium when a selection operation associated with the displayed home page is input. Also good.

  In the content search method, in the writing step, a weight is added to each keyword, and when there are a plurality of items to be displayed, the display is performed in the order of the weights added to the keywords associated with the displayed items. You may make it perform.

  In the content search method, in the writing step, at least one keyword including at least one keyword belonging to the category is referred to based on a homepage related to each content by referring to a dictionary in which keywords are classified for each category. An in-category keyword group is generated, and in the reading step, designation of at least one category is also input in addition to the keyword, and at least one in-category keyword group corresponding to the at least one designated category receives the input keyword. You may make it read the selected content of the at least 1 content which contains from the said recording medium.

  In the content search method, in the writing step, at least one keyword including at least one keyword belonging to the category is referred to based on a homepage related to each content by referring to a dictionary in which keywords are classified for each category. An in-category keyword group is generated, and in the reading step, at least one category including the input keyword is obtained by referring to the dictionary, and at least one in-category keyword group corresponding to the obtained at least one category However, the selected content of at least one content including the input keyword may be read from the recording medium.

  According to the second aspect of the present invention, in the client, a writing step for performing writing on the recording medium in association with the content and the content identification information for the plurality of contents, and in the server based on the homepage related to the content A holding step of holding at least one generated keyword and the content identification information in association with each other for a plurality of contents; and an inquiry step of transmitting the keyword to the server when the keyword is input in the client An answering step of transmitting at least one content identification information associated with the keyword to the client when the keyword is received at the server; and And reading the content selected from the recording medium out of the at least one content associated with the at least one content identification information when the content identification information is received. A search method is provided.

  In the content search method, when the client receives the at least one content identification information, the reading step displays the at least one content identification information, related information, or both, and the client. And reading the content corresponding to the content identification information selected from the displayed content identification information, related information or both, related information or both from the recording medium.

  In the content search method, in the writing step, in the client, not only the content and the content identification information but also a home page related to the content is written in association with each other on the recording medium, and the reading step is performed in the client And receiving at least one content identification information, displaying at least one home page associated with the at least one content identification information, and selected in the displayed home page at the client And reading the content associated with the home page from the recording medium.

  In the content search method, in the writing step, in the client, not only the content and the content identification information but also a home page related to the content is written in association with each other on the recording medium, and the reading step is performed in the client Receiving the at least one content identification information, displaying the at least one content identification information, related information, or both; and, at the client, displaying the displayed content identification information, related information, or both Displaying the home page corresponding to the content identification information, the related information, or both selected in the above, and if the selection operation associated with the displayed home page is input in the client, the displayed home page is displayed. The content associated with the page may be provided with, a step of reading from the recording medium.

  In the content search method, in the holding step, a weight is added to each keyword, and in the answering step, the weight of the keyword corresponding to the content identification information is also transmitted, and displayed when there are a plurality of items to be displayed. You may make it display in the order of the said weight added to the keyword linked | related with the thing.

  In the content search method, in the holding step, by referring to a dictionary in which keywords are classified for each category, based on a homepage related to each content, at least one keyword including at least one keyword belonging to the category is included. In-query keyword group is generated. In the inquiry step, at least one category specification is input in addition to the keyword, and the input keyword and at least one category specification are transmitted to the server. In the answering step, the specification is performed. At least one content identification information corresponding to at least one in-category keyword group corresponding to the at least one category that has been received may be transmitted to the client.

  In the content search method, in the holding step, by referring to a dictionary in which keywords are classified for each category, based on a homepage related to each content, at least one keyword including at least one keyword belonging to the category is included. An in-category keyword group is generated, and in the answering step, at least one category including the received keyword is obtained by referring to the dictionary, and at least one in-category keyword group corresponding to the obtained at least one category is obtained. At least one content identification information including the received keyword may be transmitted to the client.

  According to the third aspect of the present invention, a writing step for performing writing on a recording medium in association with a content and a homepage related to the content with respect to a plurality of contents, and if a keyword is input, the keyword is included. A search step of searching for at least one home page from the recording medium; and a reading step of reading a selected content from at least one content associated with the searched at least one home page from the recording medium. There is provided a content search method characterized by comprising:

  In the content search method, the reading step includes a step of displaying identification information, related information, or both of at least one content associated with the searched at least one home page, and among the displayed content. And reading the content corresponding to the identification information, the related information, or both selected in step (b) from the recording medium.

  In the content search method, the reading step includes a step of displaying the searched at least one home page, and a step of reading content associated with the home page selected from the displayed home pages from the recording medium. May be provided.

In the content search method, in the search step, a weight of the keyword in the searched home page is also obtained.
When there are a plurality of items to be displayed, display may be performed in the order of the weights added to the keywords associated with the items to be displayed.

  According to the present invention, when a keyword is input, a writing step for performing writing on a recording medium in association with at least one keyword generated based on the content and a homepage related to the content is written to the recording medium. A step of reading from the recording medium selected content of at least one content associated with the keyword, so that the content that matches the input keyword can be accurately determined from the accumulated content group. You can search.

  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, it corresponds to the selected identification information, related information, or both. 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 second 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, the input 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 television 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 on 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 (38)

A writing step for performing writing on a recording medium in association with at least one keyword generated based on the content and a homepage related to the content;
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;
A content search method comprising: The content search method according to claim 1,
The reading step includes
If the keyword is input, displaying identification information of at least one content associated with the keyword, related information, or both;
Reading from the recording medium content corresponding to the displayed identification information, related information or both selected identification information, related information or both;
A content search method comprising: The content search method according to claim 1,
In the writing step, not only the content and the at least one keyword but also the homepage are associated with each other and written to the recording medium,
The reading step includes
If a keyword is entered, displaying at least one home page associated with the keyword;
Reading from the recording medium content associated with the home page selected from the displayed home pages;
A content search method comprising: The content search method according to claim 1,
In the writing step, not only the content and the at least one keyword but also the homepage are associated with each other and written to the recording medium,
The reading step includes
If a keyword is entered, displaying identification information of at least one content associated with the keyword, related information, or both;
Displaying the homepage corresponding to the identification information, the related information or both selected in the displayed identification information, related information or both;
If a selection operation associated with the displayed homepage is input, reading the content associated with the displayed homepage from the recording medium;
A content search method comprising: The content search method according to any one of claims 2 to 4,
In the writing step, a weight is added to each keyword,
When there are a plurality of items to be displayed, the contents are displayed in the order of the weights added to the keywords associated with the items to be displayed. The content search method according to claim 1,
In the writing step, by referring to a dictionary in which keywords are classified for each category, at least one intra-category keyword group including at least one keyword belonging to the category is generated based on a homepage related to each content. ,
In the reading step, designation of at least one category is also input in addition to the keyword, and at least one content keyword corresponding to at least one category that is designated includes at least one content that includes the entered keyword. A content search method for reading selected content from the recording medium. The content search method according to claim 1,
In the writing step, by referring to a dictionary in which keywords are classified for each category, at least one intra-category keyword group including at least one keyword belonging to the category is generated based on a homepage related to each content. ,
In the reading step, at least one category including the input keyword is obtained by referring to the dictionary, and at least one keyword group in the category corresponding to the determined at least one category includes the input keyword. A content search method comprising: reading a selected content from among the at least one content from the recording medium. A writing step for performing a plurality of contents to write the contents and the content identification information in association with each other at the client;
A holding step in which at least one keyword generated based on a homepage related to the content and the content identification information are held in association with each other in the server;
In the client, if a keyword is input, an inquiry step of transmitting the keyword to the server;
In the server, when the keyword is received, a reply step of transmitting at least one content identification information associated with the keyword to the client;
In the client, if the at least one content identification information is received, a reading step of reading a selected content from the recording medium among at least one content associated with the at least one content identification information;
A content search method comprising: The content search method according to claim 8, wherein
The reading step includes
If the client receives the at least one content identification information, displaying the at least one content identification information, related information or both;
In the client, reading content corresponding to content identification information, related information or both selected from the displayed content identification information, related information or both, from the recording medium;
A content search method comprising: The content search method according to claim 8, wherein
In the writing step,
In the client, not only the content and the content identification information but also the homepage related to the content is written in a recording medium in association with each other,
The reading step includes
If the client receives the at least one content identification information, displaying at least one home page associated with the at least one content identification information;
In the client, reading from the recording medium content associated with the home page selected from the displayed home pages;
A content search method comprising: The content search method according to claim 8, wherein
In the writing step,
In the client, not only the content and the content identification information but also the homepage related to the content is written in a recording medium in association with each other,
The reading step includes
If the client receives the at least one content identification information, displaying the at least one content identification information, related information or both;
In the client, displaying the homepage corresponding to the content identification information, the related information or both selected in the displayed content identification information, related information or both;
In the client, if a selection operation associated with the displayed homepage is input, reading the content associated with the displayed homepage from the recording medium;
A content search method comprising: The content search method according to any one of claims 9 to 11,
In the holding step, a weight is added to each keyword,
In the answering step, the keyword weight corresponding to the content identification information is also transmitted,
When there are a plurality of items to be displayed, the contents are displayed in the order of the weights added to the keywords associated with the items to be displayed. The content search method according to claim 8, wherein
In the holding step, by referring to a dictionary in which keywords are classified for each category, at least one in-category keyword group including at least one keyword belonging to the category is generated based on a homepage related to each content. ,
In the inquiry step, at least one category specification is input in addition to the keyword, the input keyword and at least one category specification are transmitted to the server,
In the answering step, at least one content identification information in which at least one keyword in the category corresponding to at least one specified category includes the received keyword is transmitted to the client. Method. The content search method according to claim 8, wherein
In the holding step, by referring to a dictionary in which keywords are classified for each category, at least one in-category keyword group including at least one keyword belonging to the category is generated based on a homepage related to each content. ,
In the answering step, at least one category including the received keyword is obtained by referring to the dictionary, and at least one in-category keyword group corresponding to the determined at least one category includes the received keyword. A content search method comprising transmitting at least one content identification information to the client. A writing step of performing writing on a recording medium in association with the content and a homepage related to the content with respect to the plurality of contents;
If a keyword is input, a search step of searching the recording medium for at least one home page including the keyword;
Reading out the selected content of the at least one content associated with the retrieved at least one home page from the recording medium;
A content search method comprising: The content search method according to claim 15,
The reading step includes
Displaying at least one piece of content identification information, related information or both associated with the retrieved at least one home page;
Reading the content corresponding to the identification information, the related information or both selected from the displayed content from the recording medium;
A content search method comprising: The content search method according to claim 15,
The reading step includes
Displaying the retrieved at least one home page;
Reading from the recording medium content associated with the home page selected from the displayed home pages;
A content search method comprising: The content search method according to claim 16 or 17,
In the search step, the weight of the keyword in the searched home page is also obtained,
When there are a plurality of items to be displayed, the contents are displayed in the order of the weights added to the keywords associated with the items to be displayed. Writing means for performing writing on a recording medium in association with at least one keyword generated based on content and a homepage related to the content;
If a keyword is input, reading means for reading out a selected content of at least one content associated with the keyword from the recording medium;
A content search apparatus comprising: The content search device according to claim 19, wherein
The reading means includes
Means for displaying identification information, related information, or both of at least one content associated with the keyword if the keyword is entered;
Means for reading from the recording medium content corresponding to the identification information selected, the related information or both of the displayed identification information, the related information, or both;
A content search apparatus comprising: The content search device according to claim 19, wherein
In the writing means, 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 means includes
Means for displaying at least one home page associated with the keyword if a keyword is entered;
Means for reading from the recording medium content associated with the home page selected from the displayed home pages;
A content search apparatus comprising: The content search device according to claim 19, wherein
In the writing means, 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 means includes
Means for displaying identification information, related information or both of at least one content associated with the keyword if a keyword is entered;
Means for displaying a homepage corresponding to the identification information, related information or both selected in the displayed identification information, related information or both;
Means for reading from the recording medium the content associated with the displayed homepage if a selection operation associated with the displayed homepage is input;
A content search apparatus comprising: The content search device according to any one of claims 20 to 22,
In the writing means, a weight is added to each keyword,
When there are a plurality of items to be displayed, the content search device displays in the order of the weights added to the keywords associated with the items to be displayed. The content search device according to claim 19, wherein
The writing means generates at least one in-category keyword group including at least one keyword belonging to the category based on a home page related to each content by referring to a dictionary in which the keyword is classified for each category. ,
In the reading means, designation of at least one category is also input in addition to the keyword, and at least one content keyword corresponding to the designated at least one category includes at least one of the inputted keywords. A content search apparatus for reading a selected content from the recording medium. The content search device according to claim 19, wherein
The writing means generates at least one in-category keyword group including at least one keyword belonging to the category based on a home page related to each content by referring to a dictionary in which the keyword is classified for each category. ,
The reading means obtains at least one category including the input keyword by referring to the dictionary, and at least one in-category keyword group corresponding to the determined at least one category includes the input keyword. A content search apparatus for reading a selected content from among the at least one content from the recording medium. A writing means for performing a plurality of contents to write the contents and the content identification information in the recording medium in association with each other at the client;
Holding means for performing a plurality of contents in which at least one keyword generated based on a homepage related to the content and the content identification information are stored in association with each other in the server;
In the client, if a keyword is input, inquiry means for transmitting the keyword to the server;
In the server, when the keyword is received, reply means for transmitting at least one content identification information associated with the keyword to the client;
In the client, when the at least one content identification information is received, a reading unit that reads the selected content from the recording medium among the at least one content associated with the at least one content identification information;
A content search apparatus comprising: The content search device according to claim 26,
The reading means includes
Means for displaying at least one content identification information, related information or both upon receiving the at least one content identification information at the client;
Means for reading from the recording medium content corresponding to content identification information, related information or both selected in the displayed content identification information, related information or both in the client;
A content search apparatus comprising: The content search device according to claim 26,
In the writing means,
In the client, not only the content and the content identification information but also the homepage related to the content is written in a recording medium in association with each other,
The reading means includes
Means for displaying at least one home page associated with the at least one content identification information when the client receives the at least one content identification information;
Means for reading from the recording medium the content associated with the home page selected from the displayed home pages in the client;
A content search apparatus comprising: The content search device according to claim 26,
In the writing means,
In the client, not only the content and the content identification information but also the homepage related to the content is written in a recording medium in association with each other,
The reading means includes
Means for displaying at least one content identification information, related information or both upon receiving the at least one content identification information at the client;
Means for displaying a homepage corresponding to content identification information, related information or both selected in the displayed content identification information, related information or both in the client;
In the client, if a selection operation associated with the displayed homepage is input, means for reading out the content associated with the displayed homepage from the recording medium;
A content search apparatus comprising: The content search device according to any one of claims 27 to 29,
The holding means adds a weight to each keyword,
The answering means also transmits the weight of the keyword corresponding to the content identification information,
When there are a plurality of items to be displayed, the content search device displays in the order of the weights added to the keywords associated with the items to be displayed. The content search device according to claim 26,
The holding means generates at least one in-category keyword group including at least one keyword belonging to the category based on a homepage related to each content by referring to a dictionary in which the keyword is classified for each category. ,
The inquiry means also inputs at least one category designation in addition to the keyword, sends the entered keyword and at least one category designation to the server,
The answer means transmits at least one content identification information such that at least one in-category keyword group corresponding to at least one specified category includes the received keyword to the client. apparatus. The content search device according to claim 26,
The holding means generates at least one in-category keyword group including at least one keyword belonging to the category based on a homepage related to each content by referring to a dictionary in which the keyword is classified for each category. ,
The answer means obtains at least one category including the received keyword by referring to the dictionary, and at least one keyword group in the category corresponding to the obtained at least one category includes the received keyword. A content search apparatus, wherein at least one content identification information is transmitted to the client. A writing means for performing writing on a recording medium in association with the content and a homepage related to the content with respect to the plurality of contents;
If a keyword is input, search means for searching the recording medium for at least one home page including the keyword;
Reading means for reading from the recording medium selected content of at least one content associated with the searched at least one home page;
A content search apparatus comprising: The content search apparatus according to claim 33,
The reading means includes
Means for displaying identification information, related information or both of at least one content associated with the retrieved at least one home page;
Means for reading content corresponding to identification information, related information or both selected from the displayed content from the recording medium;
A content search apparatus comprising: The content search apparatus according to claim 33,
The reading means includes
Means for displaying the retrieved at least one home page;
Means for reading from the recording medium content associated with the home page selected from the displayed home pages;
A content search apparatus comprising: The content search apparatus according to claim 34 or 35,
The search means also obtains the weight of the keyword in the searched home page,
When there are a plurality of items to be displayed, the content search device displays in the order of the weights added to the keywords associated with the items to be displayed.   The program for making a computer perform the content search method of any one of Claims 1 thru | or 18.   A computer-readable recording medium on which the program according to claim 37 is recorded.

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