KR101466403B1 - Apparatus and method of generating key-word using playlist - Google Patents

Abstract

The present invention relates to an apparatus and method for generating a keyword using playlist information, and more particularly to a playlist collection unit for collecting playlists. An information analyzer for analyzing the collected play list and separating the content identification information and corresponding content description information; A word analysis unit for dividing the content description information by words, wherein the word analysis unit divides search results received from the search unit by words; A search unit for searching the Internet for information related to the keywords classified by the words by the word analyzing unit and transmitting the search result to the word analyzing unit in response to the search result that is related to the corresponding content identification information in the search result; And a list generation unit for generating a keyword list using the keywords classified by words in the word analysis unit.

Playlists, contents, keywords

Description

[0001] APPARATUS AND METHOD OF GENERATING KEY-WORD USING PLAYLIST [0002]

The present invention relates to an apparatus and a method for collecting playlist information to generate keywords related to contents.

Multimedia contents such as music and video are organized through meta information using an ID3 tag or a separate database to generate appropriate keywords related to specific contents and provide them to users.

Although these methodologies consistently aim to provide appropriate keywords based on contexts by specifying contents or users, it is necessary to extract appropriate keywords based on the context in order to use tags or analyze purchase records In particular, the context-based keyword is so wide that it is not easy to lose its value as information, and the context related to the content is dynamic, endlessly changing. There is a limit to not doing so.

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 kinds.

The playlist can be used only by the user if it is written by the user as in the case of 1), but it can be exchanged with the users via the internet, and in the case of 2) or 3) It can be easily distributed or collected through

On the other hand, if the playlists include a content description information for identifying contents such as a title, a genre, an artist, an album name, and the like, as well as a supplementary description about the content added by the user or the service provider (ISP) It is necessary to search for a method of extracting a keyword describing contents by utilizing it.

It is an object of the present invention to provide a device and method for generating a keyword list by extracting a keyword having high relevance to contents using a playlist and solving the problems of the related art as described above do.

According to an aspect of the present invention, there is provided an apparatus for generating a keyword using PlayList information, comprising: a playlist collection unit for collecting a playlist;

An information analyzer for analyzing the collected play list and separating the content identification information and corresponding content description information;

A word analysis unit for dividing the content description information by words, wherein the word analysis unit divides search results received from the search unit by words;

A search unit for searching the Internet for information related to the keywords classified by the words by the word analyzing unit and transmitting the search result to the word analyzing unit in response to the search result that is related to the corresponding content identification information in the search result; And

And a list generating unit for generating a keyword list using the keywords classified by words in the word analyzing unit.

According to another aspect of the present invention, there is provided a method of generating a keyword using PlayList information, comprising: collecting a PlayList;

Analyzing the collected play list to separate content identification information and corresponding content description information;

Extracting keywords by dividing the content description information into words;

Searching information through the Internet for information related to the separated keyword by word;

Dividing a search result, which is associated with corresponding content identification information among the search results, into words; And

And generating a keyword list using the content description information classified by words and the search results classified by words.

According to another aspect of the present invention, there is provided a method of generating a keyword using PlayList information, comprising: collecting a PlayList;

Analyzing the collected play list to separate content identification information and corresponding content description information;

Generating a content list using the content identification information;

Extracting keywords by dividing the content description information into words;

Searching information through the Internet for information related to the separated keyword by word;

Dividing a search result, which is associated with corresponding content identification information among the search results, into words;

Generating a keyword list using the content description information classified by words and the search results classified by words; And

And returning, as a result value, a keyword list corresponding to the content requested for identification in the content list when the user requests the content identification.

According to the present invention, it is possible to extract keywords describing contents in addition to information for identifying contents by analyzing a play list. When a user attempts to identify a content through the generation of a keyword list using context, ) Can be arranged according to the degree of relevance and returned to the user.

Hereinafter, an apparatus for generating a keyword using PlayList information according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a reference diagram illustrating a structure of a playlist file, and FIG. 3 is a functional block diagram illustrating a configuration of a keyword generation apparatus using playlist information according to the present invention.

As shown in FIG. 1, the play list represents a plurality of multimedia contents in a list form so as to be played in a sequential or random order. The play list is typically stored in a text format, Information, and information for describing the content.

FIG. 2 exemplarily shows contents of a play list file supported by software for playing back some contents. 2, it can be seen that the name of the playlist file is "a song of the 30's favorite by the worker ", and the contents are composed of information on three song mp3 files.

First, if you look at the first song, you can see that the file name is "Leave Travel .mp3" in the "C: \ Music" folder on your PC, the title of the content is "Leave Travel" The explanation given is the same as "Cho Yong-pil's early classic song". On the other hand, in the lower part, "Title = 30 favorite songs of office workers" is displayed, and the title of the corresponding play list is "30 favorite songs of office workers" and NumberOfEntries = 3 is displayed, indicating that the number of contents is 3 .

The information (content identification information) for identifying the content among the information that can be known by analyzing the play list may include a file name, a storage location, a URL, and a reproduction time of the content. In addition, information included in the ID3 TAG, Album, artist, and genre.

On the other hand, the play list may include information (content description information) for describing the contents such as "Title = 30 favorite songs of the office worker" or "Comment1 = . The rest of the information included in the playlist, excluding the content identification information, is referred to as content description information. The content description information may be arbitrarily added or inserted by the user who created the playlist, or an Internet service provider (ISP) It can also be included at the time of distribution.

3, the keyword generating apparatus using play list information according to the present invention includes a play list collecting unit 110, an information analyzing unit 120, a word analyzing unit 130, a searching unit 140, (150).

At this time, the play list collection unit 110 collects the play list, collects the play list stored in the local PC, or collects the play list via the Internet. In the case of a playlist collection via the Internet, it may be possible to access a server of an Internet service provider (ISP) or to collect playlists from other user PCs in a P2P manner.

Meanwhile, the play list collected by the play list collecting unit 110 is analyzed by the information analyzing unit 120, and the information analyzing unit 120 stores the collected play list into the content identification information and the corresponding content description information Separate.

In the example of FIG. 2, there are three contents,

File1 = C: \ Music \ Traveling.mp3

Title1 = Take a trip

Length1 = 158

And content identification information

Title = Songs of the 30s

Comment1 = Cho's first famous song

Content description information corresponding to the first content such as < RTI ID = 0.0 >

The second content

File2 = C: / Music / Memory of the Moment.mp3

Title2 = Etching of Memory

Length2 = 285

And content identification information

Title = Songs of the 30s

Comment2 = The debut album of the exhibition

And the third content can be separated into the content identification information and the content description information as well.

The extracted content description information is analyzed by the word analysis unit 130. The word analysis unit 130 divides the content description information into words, and in particular, identifies words such as adjectives, adverbs, and verbs, It divides according to whether it is a cognate.

Returning to the example of FIG. 2, the content description information for the first content is

Noun: early 30's song

Verb: liking

As shown in Fig. Thus, seven keywords were generated.

Meanwhile, the search unit 140 searches through the Internet using the generated keyword. The search unit 140 may search a keyword by querying the search engine via the Internet and return the result or the search unit 140 itself may be implemented as a search robot, The web pages including the keyword may be searched.

On the other hand, only the search results related to the content identification information corresponding to the Internet search result using the keyword are searched, and the search result is returned to the word analysis unit 130 again.

2, the search unit 140 searches for the keyword "30" as a result of searching by the search unit 140 with respect to the first content "File1 = C: \ Music \ 10 web pages containing the phrase " Leave a Trip ", 50 keywords with the phrase "Leave Travel" as a result of searching for the keyword " The search result is returned to the word analysis unit 130. If the search result is " No Travel "

Then, the word analyzing unit 130 generates a keyword by dividing the search result into words such as adjectives such as adjectives, adverbs, or verbs, or words such as proper names or common nouns.

On the other hand, the list generating unit 150 generates a content list using the content identification information separated by the information analyzing unit 120, and generates a content list by using a keyword corresponding to each content identification information generated by the word analyzing unit 130 Create a keyword list. It is also possible to sort the order of the keywords according to the degree of association between the corresponding content identification information and the keywords as necessary. For example, it is possible to arrange the keywords according to the order in which the search results related to the content identification information are in a large number.

Meanwhile, the list generator 150 transmits the generated keyword list to the user PC. The user PC stores the received keyword list in the tag of the content specified by the content identification information. For example, the MP3 file includes tag information of the ID3v1 or ID3v2 standard. According to the ID3 standard, the tag information has a space for recording a comment of 30 characters in length. The user PC stores the generated keyword list in the tag information space in the content.

At this time, the user PC means any PC connected to the keyword generating apparatus 100 through the Internet network. That is, storing a keyword list in a tag of contents is performed by a plurality of users.

As a result, the cycle in which the information obtained from the playlist is included in the content is completed, and the content can be searched and arranged more easily and effectively by including more relevant content in the tag.

Hereinafter, one aspect of a keyword generation method using playlist information according to the present invention will be described with reference to FIG. 4 attached hereto.

One aspect of a keyword generation method using playlist information relates to a process of analyzing playlist information and generating a keyword list thereof.

First, the play list collection unit 110 searches for a user PC or acquires a play list via the Internet (S101). Thereafter, the information analysis unit 120 analyzes the play list collected and separates the content identification information from the corresponding content description information (S102).

When the word analyzing unit 130 generates a keyword by dividing the words included in the corresponding content identification information in the content description information, the words not included in the corresponding content identification information, and the words (S103) (140) searches the Internet for information related to the keyword (S104).

The search through the Internet may include receiving a keyword as a query and returning a result value to the search engine, or determining whether a web page includes a keyword by accessing a web page directly by the search unit 140, Method can be used.

Thereafter, when the search unit 140 hands over the search result to the word analysis unit 130, the search unit 140 analyzes the search result by word again to generate a keyword S105). The word-by-word separation method is the same as step S103.

Finally, the list generator 150 combines the keyword generated in step S103 with the keyword generated in step S105 to generate a keyword list (S106).

The list generation unit 150 can generate a content list using the content identification information separated in step S102.

Meanwhile, the list generator 150 transmits the generated keyword list to the user PC, and the user PC having received the keyword list stores the keyword list transmitted to the tag of the content specified by the content identification information.

As a result, the content includes a keyword list including keywords that are highly related to each other in the tag, so that it is possible to arrange and search contents by various methods.

Hereinafter, another aspect of a keyword generation method using playlist information according to the present invention will be described with reference to FIG. 5 attached hereto.

Another aspect of the keyword generation method using playlist information relates to a method for returning appropriate keywords using a keyword list when a user desires to search for content.

First, the play list collection unit 110 searches for a user PC or acquires a play list via the Internet (S201). Thereafter, the information analysis unit 120 analyzes the play list collected and separates the content identification information from the corresponding content description information (S202).

Meanwhile, the list generating unit 150 generates a content list using the separated content identification information (S203).

When the word analyzing unit 130 generates a keyword by separating the words included in the corresponding contents identification information among the contents explanation information, the words and phrases not included in the corresponding contents identification information by words (S204) (140) searches the Internet for information related to the keyword (S205).

Thereafter, when the search unit 140 passes the search result to the word analysis unit 130, the search unit 140 analyzes the search result by words again to generate a keyword S206), the list generating unit 150 combines the keywords to generate a keyword list (S207).

On the other hand, if there is a content identification request from the user, it is determined whether or not the content requested for identification exists in the content list, and if it exists, the keyword list corresponding to the content identification information is returned as a result value (S208).

Referring to the example of FIG. 2, when the user makes a request for identification of content using a search term "Leave Travel ", a keyword list such as" It will be possible.

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 reproduction software supporting a play list,

2 is a reference diagram illustrating the structure of a playlist file,

3 is a functional block diagram showing a configuration of a keyword generating apparatus using play list information according to the present invention;

4 is a flowchart for explaining an aspect of a keyword generation method using playlist information according to the present invention;

5 is a flowchart for explaining another aspect of a keyword generation method using playlist information according to the present invention.

Description of the Related Art

110: Playlist collection unit 120: Information analysis unit

130: word analysis unit 140:

150:

Claims (19)

A play list collection unit for collecting a play list; An information analyzer for analyzing the collected play list and separating the content identification information and corresponding content description information; A word analysis unit for dividing the content description information by words, wherein the word analysis unit divides search results received from the search unit by words; A search unit for searching the Internet for information related to the keywords classified by the words by the word analyzing unit and transmitting the search result to the word analyzing unit in response to the search result that is related to the corresponding content identification information in the search result; And And a list generating unit for generating a keyword list using the keywords classified by words in the word analyzing unit. The method according to claim 1, Wherein the list generation unit transmits playlist information to the user PC to transmit the generated keyword list so as to store the generated keyword list in the tag of the content. The method according to claim 1, 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. The content description information includes play list information For generating a keyword. The method according to claim 1, Wherein the playlist collecting unit collects playlists stored in a user PC and collects playlists via the Internet. The method according to claim 1, Wherein the word analyzing unit distinguishes words by using words included in corresponding content identification information, words not included in corresponding content identification information, and play list information that is divided into verb phrases. 6. The method of claim 5, The keyword generating unit uses the play list information, which is a common noun and proper noun, to distinguish words by word analysis unit. The method according to claim 1, Wherein the search unit transmits to the search engine a word classified by the word by the word analysis unit, and returns the result of the query. The method according to claim 1, Wherein the search unit is a search robot that automatically searches web pages accessible via the Internet. The method according to claim 1, Wherein the list generation unit generates playlist information by using the content identification information to generate a content list. A method for generating a keyword using a playlist information, the keyword generating apparatus being connected to a user PC via the Internet, Collecting a playlist stored in a user PC or collecting a playlist via the Internet; Analyzing the collected play list to separate content identification information and corresponding content description information; Extracting keywords by dividing the content description information into words; Searching information through the Internet for information related to the separated keyword by word; Dividing a search result, which is associated with corresponding content identification information among the search results, into words; And And generating a keyword list using the content description information classified by words and the search results classified by words. 11. The method of claim 10, Transmitting the generated keyword list to the user PC; And And storing the keyword list received by the user PC in the tag of the content. delete 11. The method of claim 10, The step of classifying the content description information by words includes the steps of: dividing a clan included in the corresponding content identification information in the content description information, a clan not included in the corresponding content identification information, Generation method. 11. The method of claim 10, The step of dividing the search results, which are related to the corresponding content identification information, into words, corresponding to the corresponding content identification information, includes the steps of: dividing the words included in the corresponding content identification information in the search results, A method of generating a keyword using playlist information including: 11. The method of claim 10, The step of searching through the Internet for information related to the keyword classified by word includes: transmitting a keyword to a search engine as a query; And returning a result value from the search engine. 11. The method of claim 10, The step of searching through the Internet for information related to the keyword classified by word includes: transmitting a keyword to a search engine as a query; And And returning a result value from the search engine. 11. The method of claim 10, The step of searching through the Internet for information related to the keywords classified by words includes: accessing a web page through the Internet; And Determining whether a web page includes a keyword, and including the web page in a search result if the web page includes the keyword. 11. The method of claim 10, And generating a content list using the content identification information. A method for generating a keyword using a playlist information, the keyword generating apparatus being connected to a user PC via the Internet, Collecting a playlist stored in a user PC or collecting a playlist via the Internet; Analyzing the collected play list to separate content identification information and corresponding content description information; Generating a content list using the content identification information; Extracting keywords by dividing the content description information into words; Searching information through the Internet for information related to the separated keyword by word; Dividing a search result, which is associated with corresponding content identification information among the search results, into words; Generating a keyword list using the content description information classified by words and the search results classified by words; And And returning, as a result value, a keyword list corresponding to the content requested to be identified in the content list when the user requests content identification.

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