KR101466404B1 - Apparatus and method of searching contents based on playlist information - Google Patents

Abstract

The present invention relates to an apparatus and method for searching contents using playlist information, and more particularly, Analyzing the collected play list to extract content identification information; Analyzing the collected play list to generate a keyword related to the content from which the identification information is extracted; Determining an association degree between the keyword and the content; Generating a keyword-content list based on the degree of association between the keyword and the content; And returning a content search result by referring to a keyword-content list when a content search request is made using a keyword, wherein the step of extracting the content identification information further comprises: Searching the Internet using information; And generating a keyword related to the content using the search result.

Playlist, content search, keyword - content related diagram

Description

[0001] APPARATUS AND METHOD OF SEARCHING CONTENTS BASED ON PLAYLIST INFORMATION [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a retrieval technology for retrieving contents, and more particularly, to a contents retrieval apparatus and method for improving the quality of retrieval results using play list information.

The search function is very important for selling and distributing contents on-line, and it is very important to search algorithms that enable users to search for desired contents accurately, contents matching with user's taste, algorithms for recommending contents with high possibility of linked sales Is being actively studied.

Conventional techniques such as a method in which a user or a service provider (ISP) assigns a tag to each content, a DB of purchase histories, and a classification of a customer profile are used. And the inefficiency due to the introduction of general customer analysis techniques that ignores the characteristics of contents.

On the other hand, a play list means that a plurality of multimedia contents are expressed in a list form so as to be reproduced in a sequential or random order.

Widely used content reproduction software such as Microsoft's media player, Winamp, and iTunes respectively allow the user to create a playlist, or to reproduce contents contained in the created playlist in a sequential or random order . FIG. 1 illustrates an example of reproducing contents included in a play list in a media player of Microsoft Corporation.

These playlists can be classified into playlists created by the user, 2) playlists provided by the service provider (ISP), 3) playlists and purchasing behavior, It can be classified into three types,

Such a playlist eventually includes a description of the content through information such as the title of the playlist itself, the title or the number of included contents, album name, and the like.

However, it is common for playlists to be used by users for personal use in equipment for playing back PCs and other contents, and there is an attempt to extract keywords related to content from this by collecting playlists used by a plurality of users Did not do it.

Accordingly, there is a need to develop a technique for improving the accuracy of a search result by using the information of the playlist with respect to a content search method.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a content search apparatus and a content search apparatus for extracting a play list and analyzing the play list, It is intended to provide a method.

According to an aspect of the present invention, there is provided a content search apparatus using playlist information, the apparatus comprising: a playlist collection unit for collecting a playlist through the Internet;

A play list analyzing unit for analyzing the collected play list and extracting content identification information;

An Internet search unit for searching the Internet for the extracted content identification information;

A keyword generation unit for generating a keyword related to content using a playlist and an Internet search result;

An association degree determining unit that determines an association degree between the keyword and the content;

A keyword-content list generation unit for generating a keyword-content list based on the relevance of the keyword and the content;

A search service providing unit for providing a search function using a keyword-content list; And

And a content database for storing the content.

According to another aspect of the present invention, there is provided a method for searching contents using playlist information, comprising: collecting a playlist through the Internet;

Analyzing the collected play list to extract content identification information;

Analyzing the collected play list to generate a keyword related to the content from which the identification information is extracted;

Determining an association degree between the keyword and the content;

Generating a keyword-content list based on the degree of association between the keyword and the content; And

And returning a content search result with reference to a keyword-content list when a content search request is made using a keyword,

Searching the Internet using the extracted content identification information before the step of determining the relevance of the content after the step of extracting the content identification information; And

And generating a keyword related to the content using the search result.

According to the present invention as described above, it is possible to more accurately derive the keyword describing the content by analyzing the play list, and in particular, it is possible to capture the connection relationship between the content dynamically performed on the Internet and the keyword in real time, The accuracy of the result of the search can be dramatically improved.

Further, by returning a search result having a high accuracy to a user when searching for a content by a keyword, it is made easier to recommend the content for online sales and linked sales, and the user can search the desired content more efficiently It is effective.

Hereinafter, a content searching apparatus using PlayList information according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a functional block diagram showing a configuration of a content searching apparatus using playlist information according to the present invention.

2, a content search apparatus using playlist information according to the present invention includes a play list collecting unit 110, a play list analyzing unit 120, an Internet search unit 130, a keyword generating unit 140, A keyword-content list generating unit 160, a search service providing unit 170, and a content database 180. The keyword-content list generating unit 160 generates a keyword-

The playlist collecting unit 110 collects playlists via the Internet. At this time, the collection of playlists can be received and collected from user PCs connected to the Internet. For example, when a play list is generated, changed, or updated from a content playback software such as a media player or a winamp, the corresponding software may automatically transmit the play list to the play list collection unit 110 Do.

On the other hand, the play list analyzing unit 120 analyzes the collected play list to extract content identification information. Here, the content identification information refers to information that can be used to specify content among the information included in the play list. Generally, a playlist includes a file name and a storage location or a URL of the content, and also includes one or more of information such as a title, an album, an artist, and a genre included in the reproduction time and the ID3 tag. Therefore, it may include a comment for each content or a comment for the playlist itself. The content identification information is information for specifying a content among the content, and can be determined as needed among the file name, the storage location or the URL, and the ID3 tag information. On the other hand, it is difficult to use the content, the comment on the playlist itself, and the title of the playlist as the content identification information.

The play list analyzing unit 120 extracts a plurality of content identification information from the collected play list and determines whether there is a content corresponding to the content identification information extracted from the content stored in the content database 180, The content identification information may be treated as unnecessary information and discarded.

Meanwhile, the Internet search unit 130 searches the corresponding content using the content identification information extracted from the play list analysis unit 120. The Internet search may be performed using a search engine, or the Internet search unit 130 may be implemented as a search robot.

On the other hand, the keyword generation unit 140 separates the collected playlist information by remaining words excluding the content identification information extracted by the playlist analysis unit 120, and then deletes unnecessary words, improper words Substitution with another word, and verb nounification.

Likewise, the search result of the Internet search unit 130 is divided into words, and then keywords are generated by deleting unnecessary words, substituting inappropriate words into other words, and verifying and processing the verbs.

At this time, the deletion of unnecessary words means, for example, deleting words having no value as information describing specific contents such as "singer" and "music" when the contents are sound source files, Is a measure to reduce the number of keywords and fill keywords with only the appropriate words, such as replacing words with a lot of synonyms by a single word. The verb's nounation is, for example, "like" It is a measure to secure the ease of search.

When the keyword is generated for each content by the keyword generation unit 140, the relevancy determination unit 150 determines the degree of association between each keyword and the content.

For example, content such as " Traveling .mp3 "exists in the content database 180. The play list collection unit 110 collects playlists from a plurality of user PCs, and the keyword generation unit 140 As a result of generating a keyword from the collected playlist, it is assumed that the keywords "Joyong Pil" 10 times, "1985" 5 times, "7th house"

The Internet search unit 130 searches the Internet for the word " Traveling .mp3 ", analyzes the result (web page) by the keyword generation unit 140 and analyzes the words repeatedly. As a result, Assuming that "7th house" is repeated 7 times and "1985 year" is repeated twice, the keyword "Joyong Pil" is 16 times, "7th house" is 10 times, "1985" is 7th Therefore,

contents keyword Relevance Go out travel Cho Yong Phil 16 times 7th House 10 times 1985 7 times

[Example of judging relevance of contents and keywords]

The keyword "joyongpil" has the highest level of relevance for the content "go on a journey .mp3", followed by "seventh house" followed by "1985".

The keyword-content list generation unit 160 generates a keyword-content list based on the relation between the keyword and the content determined as described above. The keyword-content list is data for storing the relationship between the keyword and the content in a database or a list form, and providing the search service provider with a content having high relevance to the keyword.

In the example above, you could save it as a list, for example [Leave Travel, Joe Pil, 16] - [Leave Travel, 7th, 10] - [Leave Travel, 1985, 7].

On the other hand, when the user searches for content through the Internet, the search service providing apparatus 170 receives the keyword as a query and returns the appropriate content to the user. At this time, The content may be limited to the content stored in the database 180. Accordingly, the user can induce the user to purchase the content stored in the content database 180 using the search result.

Hereinafter, a content retrieval method using playlist information according to the present invention will be described in detail with reference to the accompanying drawings, and a description of the overlaps with the above description will be omitted.

FIG. 3 is a flowchart illustrating a content retrieval method using play list information according to the present invention.

First, the play list collecting unit 110 receives a play list from a plurality of PCs connected to the Internet and collects the play list (S101). The play list analyzing unit 120 analyzes the play list collected by the play list analyzing unit 120, (S102).

Meanwhile, it may be determined whether there is content corresponding to the extracted content identification information among the contents stored in the content database 180, and the non-existent content identification information may be discarded without performing a subsequent step.

Thereafter, the play list analyzing unit 120 analyzes the collected play list to generate a keyword related to the content (S103).

Meanwhile, when the Internet search unit 130 performs an Internet search using the content identification information extracted in step S102 (S107)

The playlist analyzing unit 120 analyzes the Internet search result and generates a keyword related to the content (S108).

The process of generating the keywords in steps S103 and S106 is performed by deleting the playlist or the Internet search result by word, deleting unnecessary words among the separated words, substituting inappropriate words into other words, and pronouncing the verbs.

Next, when the relevance determining unit 150 determines the relevance degree between the keyword and the content by combining the keywords generated in the steps S103 and S106 (S104)

The keyword-content list generating unit 160 generates a keyword-content list based on the relation between the keyword and the content determined in step S104 (S105).

At this time, the determination of relevance between the keyword and the content is determined in proportion to the number of times the same keyword is generated for each content.

Thereafter, if there is a content search request from the user, the content retrieved from the keyword-content list is returned to the user as a search result (S106).

According to the related art, it has been common to display contents search results to users by sorting them according to sales order of contents, release dates, etc. However, according to the present invention, It becomes possible to show the result.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

1 is a diagram illustrating a screen of a content playback software supporting a playlist according to the related art,

2 is a functional block diagram showing a configuration of a content searching apparatus using playlist information according to the present invention;

FIG. 3 is a flowchart illustrating a content retrieval method using play list information according to the present invention.

Description of the Related Art

110: Playlist collection unit 120: Playlist analysis unit

130 Internet search unit 140 Keyword generation unit

150: relevance determining unit 160: keyword-content list generating unit

170: search service provider 180: content database

Claims (12)

A method for searching contents using playlist information by a content search apparatus connected to a plurality of PCs via the Internet, Collecting a playlist via the Internet; Analyzing the collected play list to extract content identification information; Performing an Internet search on the extracted content identification information; Analyzing the collected play list and the Internet search result to generate a keyword related to the extracted content; Determining an association degree between the keyword and the content; Generating a keyword-content list based on the degree of association between the keyword and the content; And And returning a content search result by referring to a keyword-content list when a content search request is made using a keyword. The method according to claim 1, Searching the Internet using the extracted content identification information before the step of determining the relevance of the content after the step of extracting the content identification information; And And generating a keyword associated with the content using the search result. 3. The method according to claim 1 or 2, A method of searching for contents using playlist information by receiving a playlist from a plurality of PCs connected to the Internet. 3. The method according to claim 1 or 2, The content identification information includes at least one of a file name, a storage location, a URL, a playback time, a title, an album, an artist, and a genre of content that can be collected from the play list. 3. The method according to claim 1 or 2, Analyzing the collected play list to generate content identification information; determining whether there is content corresponding to the content identification information among the stored content; And And discarding the content identification information in which the corresponding content does not exist. The method according to claim 1, The step of generating a keyword by analyzing the collected playlist includes the steps of: separating, from the information included in the playlist, information other than the content identification information for each word; And Generating a keyword by deleting an unnecessary word among the separated words, replacing an inappropriate word with another word, and naming the verb. 3. The method of claim 2, The generating of the keyword using the search result may include: separating the search results into words; And Generating a keyword by deleting an unnecessary word among the separated words, replacing an inappropriate word with another word, and naming the verb. 3. The method according to claim 1 or 2, Wherein the step of determining the degree of relevance between the keyword and the content is performed by determining the relevance in proportion to the number of times the same keyword is generated for each content. A play list collection unit for collecting a play list through the Internet; A play list analyzing unit for analyzing the collected play list and extracting content identification information; An Internet search unit for searching the Internet for the extracted content identification information; A keyword generation unit for generating a keyword related to content using a playlist and an Internet search result; An association degree determining unit that determines an association degree between the keyword and the content; A keyword-content list generation unit for generating a keyword-content list based on the relevance of the keyword and the content; And And a search service providing unit for providing a search function using a keyword-content list. 10. The method of claim 9, The content search apparatus according to claim 1, further comprising a content database for storing content, wherein the play list analyzer determines whether content corresponding to the content identification information extracted from the content stored in the content database exists. 10. The method of claim 9, The keyword generation unit separates the playlist and the Internet search result into words, deletes unnecessary words among the separated words, replaces inappropriate words with other words, and pronounces the verbs, thereby generating content using the playlist information Search device. 10. The method of claim 9, Wherein the relevance degree determining unit counts the number of times the same keyword is generated for each content and judges that the degree of relevance is high in proportion to the number of times.

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