KR20080097852A - Method and system for providing information relating to moving picture - Google Patents

Abstract

A system for providing information related with a moving picture, and a method thereof are provided to search a moving picture and its related information at a time. An information requesting information is received from a user(130). A search result is generated after performing information search using the requested moving picture(140) and corresponding key word. The generated search result is provided to the search user with the moving picture(170). Therefore, a user conveniently finds a demanded moving picture with its related information at a time.

Description

Method and system for providing video related information {Method and System for Providing Information Relating to Moving Picture}

1 is a network diagram including a video related information providing system according to an embodiment of the present invention.

2 is a flowchart illustrating a process of generating a search query for retrieving video related information according to an embodiment of the present invention.

3 is a flowchart illustrating a method of providing video related information together with a video according to an embodiment of the present invention.

4 shows a screen in which the method shown in FIG. 3 is actually implemented.

5 is a schematic block diagram of an agent for playing a video according to an embodiment of the present invention capable of providing a video together with video related information.

FIG. 6 is a flowchart illustrating a method of providing a video and video related information through an agent for playing a video shown in FIG. 5.

<Description of the symbols for the main parts of the drawings>

10: video information providing system 12: wireless Internet

14: user terminal 16: search query generator

18: web server 20: search unit

22: Video Database 24: Meta Information Database

26: search query database 28: log information database

30: search database 32: index word extraction unit

34: stopword processing unit 40: agent for playing video

42: memory 44: storage medium

46: play request receiving module 48: search request module

50: video playback module 52: search system

The present invention relates to a content providing system, and more particularly, to a method and a system capable of providing information related to a video when providing a video.

Recently, due to the development of science and technology and the improvement of economic level, the spread of communication network such as high-speed Internet and the rapid increase of users of high-speed communication network have been made, and the rapid increase of users of high-speed communication network has led to the development of new services and diversification of service items through communication networks. Made it possible. The most common service among such services using a communication network may be referred to as a video providing service using a communication network. Methods of providing a video according to a video providing service include a video providing method by a streaming method, a video providing method by a download method, or a video file sharing method by a P2P method.

The videos provided by the above-described video providing service include not only videos of professional fields such as education, medicine, or science, but also videos of entertainment / culture such as broadcasting, movies, or music videos. There is also content that is created and provided by users, so-called User Created Content (UCC).

However, in the above-described conventional video providing service, only a video is provided and information related to the video is not provided together. Therefore, a user who wants to obtain information related to the video has a separate search for obtaining information related to the video. There was the inconvenience of having to do the work.

The present invention has been made in view of the above-described problems, and it is an object of the present invention to provide a method and a system for providing information related to video, which can be provided together with information related to the video through a real-time search.

Another object of the present invention is to provide a video related information providing method and system capable of generating a search query for searching video related information from meta information of a video.

In addition, the present invention is to provide a video related information providing method and system that can perform a search sequentially every predetermined time period based on each search query when a plurality of search query is generated from the meta information of the video is another It is a technical problem.

In addition, the present invention is to provide a video related information providing method and system that can determine the search order according to the frequency ranking of the search words recorded in the log information database when a plurality of search query words are generated from the meta information of the video. It is a task.

In addition, the present invention can request a search to the search system using a search query for searching for information related to the video when the downloaded video is played, and can provide a search result transmitted from the search system together with the video. Another technical problem is to provide an agent for playing a video.

Method for providing video related information according to an aspect of the present invention for achieving the above object is a method that can provide information associated with the requested video at the time of providing the requested video from the user, the request for the video from the user Receiving information; Generating a search result after performing information search related to the video by using a search query corresponding to the requested video; And providing the search result to the user along with the video.

Here, at least one search query word is generated using an index word associated with the video, and the index word is derived from meta information of the video.

According to an embodiment, the method for providing video related information may generate a re-search result by performing a re-search based on the search query word every predetermined time period while the video is being played after providing the search result along with the video. Doing; And providing the generated research result to the user. It further includes.

The index word is extracted from any one of a title, a description, or a text included in a tag of the video recorded in the meta information.

In accordance with another aspect of the present invention, a system for providing video related information according to another aspect of the present invention is a system capable of providing information related to the video when a video requested by a user is provided. A search query generator for generating one or more search queries for searching related information; A search unit for generating a search result by performing a search based on the search query word generated by the search query word generator; And a web server for receiving the video request information from the user and providing the search result generated by the search unit together with the requested video to the user.

In the above-described embodiment, the search query generating unit includes an index word extracting unit for extracting an index word from the meta information, and generates a search query using the index word extracted by the index word extracting unit.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a network configuration including a system for providing video related information according to an exemplary embodiment of the present invention.

As shown, the video-related information providing system 10 is connected to the user terminal 14 through the Internet 12, receives the video request information input from the user through the user terminal 14, and the requested video and Information related to the video is provided to the user through the user terminal 14. In the present exemplary embodiment, the user is connected to the video related information providing system 10 through the wired Internet 12 to provide a service. However, in the modified embodiment, the video related information is provided through a wireless communication network (not shown). The service may be provided by using a mobile communication terminal (not shown) such as a mobile phone or a PDA connected to the system 10. The video related information providing system 10 includes a search query generator 16, a web server 18, a searcher 20, and various databases 20 to 30.

The search query generator 16 generates a search query for searching for information related to the video by using meta information of the video. The search query generator 16 includes an index word extractor 32 and a stopword processor 34.

The index word extracting unit 32 extracts the index word from the meta information recorded in the meta information database 24, and extracts the index word based on one word. As the index word extraction method used for index word extraction is applied to a general search system, a detailed description thereof will be omitted. In one embodiment, the index word extracting unit 32 may extract the index word from the title, the description, or the text of the tag included in the meta information. For example, when extracting an index word from the meta information of a music video video about singer Boa's 'Arena Tour', the index word is extracted from a title including the text "BoA Arena Tour", or "Boa who is 21 years old in Japan. Extract the index word from the description containing the text "Arena Tour" or from the tag containing the text "Boa Movie".

The stopword processor 34 generates a stopword by performing stopword processing on the indexwords extracted by the indexword extractor 32 and stores the generated search query in the search query database 26. Here, the term stop processing refers to an operation of excluding an unused language, such as a language, a beer or abusive language, which are not desirable to be disclosed, from an index word. In addition, in the present exemplary embodiment, when the search query is selected as a search video such as "video" or "music video," the index word, which may be provided with a search result irrelevant to the video, is also excluded from the index word through the stopword processor 34. desirable.

In one embodiment, the terminology processor 34 generates the index terms that have been subjected to the terminology as a single search query, but in the modified embodiment, the terminology processor 34 combines the index terms that have undergone the terminology processing and search each other. Can also be created as a query. At this time, in order to improve the quality of the search, index terms may be combined with reference to search terms recorded in the log information database 28. For example, there is a video about Denny's kiss the radio, and the index words "Denny" and When "Kiss the Radio" is extracted, "Denny" and "Kiss the Radio" may be generated as search queries, respectively, referring to the search words recorded in the log information database 28 and "Kenny the Radio". If a plurality of identical search terms exist, a search query may be generated by combining two index words, "deni" and "kiss the radio".

The web server 18 is responsible for the interface between the user terminal 14 and the video-related information providing system 10, receives the video request information input from the user and provides it to the search unit 20, the search unit ( The search result of the video provided from 20 and the information related to the video is provided to the user terminal 14. In the above-described embodiment, the web server 18 is described as being included in the video related information providing system 10. In a modified embodiment, the web server 18 is physically connected to the video related information providing system 10. It may also be a separate configuration.

When the video request information is received from the web server 18, the searcher 20 obtains a video corresponding to the video request information from the video database 22 by referring to the meta information of the video. In addition, the search unit 20 reads a search query corresponding to the video from the search query database 26, searches for video related information from the search database 30 based on the read search query, and then generates a search result. To the web server 18 together with the video.

In one embodiment, the search unit 20 performs a re-search based on a search query read out every predetermined time period when the video requested by the user is playing in order to provide information related to the video in real time, and retrieves the re-search result. After creation, it can be provided to the user terminal 14 through the web server 18.

If a plurality of search queries are generated by the search query generator 16 and a plurality of search queries are read, the search queries are sequentially performed for each search query. Is determined according to the frequency ranking of the search words recorded in the log information database 28. That is, among the search queries, the search query word corresponding to the search word having the highest frequency in the log information database 28 is searched first. In this case, the log information recorded in the log information database may be log information of all users using the search system, or may be log information of only a specific user.

The video database 22 stores predetermined video data, the meta information database 24 stores meta information related to the video, and the search query database 26 generates the search query generating unit 16. The search query is stored, and log information of a user who uses a general search system is recorded in the log information database 28. The log information may be log information of the entire user who uses the search system or log information of a specific user. The log information may also include information on frequency ranking of search terms input by the users.

In the above-described embodiment, various databases 22 to 30 are described as being included in the video-related information providing system 10. In other embodiments, various databases 22 to 30 are included in the video-related information providing system 10. ) May be included in a separate server (not shown) that is physically distinguished, and in another embodiment, only a part of the databases 22 to 30 may be included in the video-related information providing system 10. The rest can be included on a separate server.

FIG. 2 is a flowchart illustrating a process of generating a search query for searching for video related information using the video related information providing system shown in FIG. 1. First, an index word is extracted from meta information of a video stored in the meta information database 24 (step 100). At this time, the extracted index word is extracted based on one word. In one embodiment, the index word is extracted from the title of the video included in the meta information, the description (description) or the text constituting the tag, the index word extraction method used to extract the index word is a method used in a general search system Since this applies to the specific description will be omitted.

Next, stopword processing is performed on the extracted index words (step 110). Here, the term stop processing is to exclude words that are not generally used as described above, beer or abusive language that are not desirable to be disclosed in the index word, or when selected as a search query word such as "video" or "music video". This means excluding words from the index that might provide search results that are not relevant to the video.

Thereafter, a search query is generated by using the stopwords indexed word and the generated search query is stored in the search query database 26 (step 120). In generating a search query using the extracted index word, the search query words may be generated by generating the extracted index words as one search query word or by combining the index words with each other. When generating the search query word by combining the index words, it is preferable to determine whether or not the index words are combined by referring to the search words recorded in the log information database 28. That is, when a search word corresponding to a form in which the extracted index terms are combined among the search terms recorded in the log information database 28 exists, the index terms in the combined form are generated as a search query term.

FIG. 3 is a flowchart illustrating a method of providing video related information with a video using a video related information providing system shown in FIG. 1. When the video request information is received from the user (step 140), the requested video is obtained from the video database 22 with reference to the meta information recorded in the meta information database 24 (step 150). Next, a search query related to the requested video is read from the search query database 26 (step 150), a search is performed using the read search query, and a search result is generated (step 160). Thereafter, the generated search result is provided to the user together with the requested video (step 170).

Through this process, the user can be provided with information related to the video while watching the requested video. In the above-described embodiment, the video is obtained before the search query, but in the modified embodiment, the reading step of the search query is performed together with the video obtaining step, or the search query reading step is performed before the video obtaining step. It may be.

4 illustrates an example in which video related information is provided together with a video according to the above-described method. In the illustrated example, it can be seen that while the music video for "TVXQ" is being played, the search result generated based on the TVXQ, which is a search query previously generated with respect to the video, is provided with the video. Can be. In this case, the video related information may be displayed around the playback window 36 where the video is played. In FIG. 4, it can be seen that video related information is provided on the right side of the play window 36 and the bottom of the play window 36.

In one embodiment, a new search result is generated by performing a re-search based on a search query read out every predetermined time period while the video is being played to provide the user with information related to the video in real time, and generates a new search. You can also provide a result. In detail, after operation 170, after re-search is performed based on the read search query, the search result is generated (step 180), and the generated re-search result is provided to the user during video playback (step 190). . Through this process, since the rescan is automatically performed while the video is being played, the user can be provided with the latest information related to the video being played.

In addition, when a plurality of search queries are read in relation to the corresponding video, it is preferable to perform a search sequentially for each search query word at predetermined time periods. At this time, the search priority among the search query words may be determined according to the frequency ranking of the search words recorded in the log information database 28. That is, among the search queries generated by the search query generator 16, the search query words corresponding to the search words having a high frequency rank in the log information database 28 are preferentially searched.

In the above-described embodiment, the search query for searching for video related information is described as being generated in advance and stored in the search query database 26. However, in the modified embodiment, the search query is searched after the video request information is received from the user. The query generator 16 may generate a search query by using meta information of the corresponding video.

The above-described video related information providing method may also be implemented in the form of a program that can be performed using various computer means. In this case, a program for performing the video related information providing method may include a hard disk, a CD-ROM, a DVD, a ROM ( ROM), a RAM, or a flash memory, such as a computer readable recording medium.

5 is a schematic block diagram of an agent for playing a video according to an embodiment of the present invention capable of displaying a video together with video related information. The agent 40 for playing a video shown in FIG. 5 is mounted on the user terminal 14, and is stored in a storage medium 44 such as a video or a DVD or a CD downloaded to the memory 42 of the user terminal 14. When the stored video is played, information related to the played video is provided together with the video. The agent 40 for playing video includes a play request receiving module 46, a search request module 48, and a video playing module 50, as shown.

The video to be played through the video playback agent 40 is pre-downloaded through the Internet 12 or an external terminal (not shown) and stored in the memory 42 or in a storage medium 44 such as a DVD or a CD. It is. In this case, in addition to the moving picture, the memory 42 or the storage medium 44 stores meta information about the moving picture and a search query generated for retrieving information related to the moving picture. That is, in the present embodiment, when a search query for searching for information related to the video is downloaded with the video and stored in the memory 42, or when the video is stored in the storage medium 44. The search query is also stored in the storage medium 44.

The play request receiving module 46 receives a request for playing a video from the user and transmits the play request information to the search request module 48 and the video playing module 50.

The search request module 48 reads a search query corresponding to the video requested to be played from the memory 42 or the storage medium 44 and requests a search for the search query to the search system 52 connected through the Internet 12. The search result is received from the search system 52 and transmitted to the video playback module 50. Here, the search system 52 refers to a general search system capable of performing a search based on a search query input from a user and providing a search result generated by the search to the user.

The video play module 50 reads the video requested to be played in response to the video play request information transmitted from the play request receiving module 46 from the memory 42 or the storage medium 44, and then from the search request module 48. The search result is received and the received search result is provided through the screen of the user terminal 14 together with the video requested to be played.

In one embodiment, the search request module 48 requests a re-search for every predetermined time period based on the search query read out while the requested video is being played, and the search result generated in response to the re-search request is searched by the search system ( Received from the 52) and transmitted to the video playback module 50, the video playback module 50 provides the user with the received re-search results during video playback. On the other hand, when a plurality of search queries are read, it is preferable to request the search sequentially based on the respective search queries.

A method of providing video related information to a user together with a video through the above-described video playback agent will be described in detail with reference to FIG. 6.

First, when the video play request information is received from the user (step 200), the play request video and the search query for the video is read from the memory 42 or the storage medium 44 (step 210). Subsequently, a search request is made to the search system 50 based on the read search query (step 220), and a search result corresponding to the search request is received from the search system 50 (step 230). The search result is provided to the user together with the video read in step 200 (step 240). Next, a re-search is requested to the search system 50 based on the search query word read while the video is being played (step 250), and a re-search result corresponding to the re-search request is received from the search system 50 ( In operation 260, the received re-search result is provided to the user during video playback (operation 270).

Meanwhile, when a plurality of search query words are read from the memory 42 or the storage medium 44, it is preferable to request re-search sequentially for each predetermined time period for the search query words read in the search request in step 220. .

In the above-described embodiment, although the search query is described as being downloaded together with the download of the video or stored in the storage medium 44, in the modified embodiment, the video playback agent 40 generates the search query. It includes a module (not shown), it is also possible to generate the search query itself from the meta information of the video stored in the memory 42, or the meta information stored in the storage medium (44). Detailed configuration and description of the search query generation module is the same as that of the search query generation unit illustrated in FIG. 1, and thus a detailed description thereof will be omitted.

Those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features.

Therefore, it is to be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention. do.

As described above, according to the present invention, since the information related to the video can be provided through a real-time search at the time of providing the video, it is not necessary to perform a separate search operation to obtain information related to the video, thereby increasing user convenience. The effect is that you can.

In addition, the present invention does not generate a search query by analyzing the video itself, but generates a search query for searching for video related information by using meta information of the video, so that the search query can be easily generated. .

In addition, when a plurality of search query words are generated from the meta information of the video, the present invention can sequentially search based on each search query word every predetermined time period, thereby providing abundant information for one video. There is.

In addition, when a plurality of search query words are generated from the meta information of the video, the present invention may determine the search order according to the frequency rank of the search words recorded in the log information database, thereby giving priority to information frequently requested from users at the time of search. There is an effect that can be provided.

In addition, the present invention provides a video playback agent that can provide a search result along with the video by transmitting a search query for searching for information related to the video when the downloaded video is played, as well as a streaming method. The information related to the video provided by the download method can also be provided in real time.

Claims (17)

When providing a video requested from a user to provide the information associated with the video, Receiving request information about a video from the user; Generating a search result after performing information search related to the video by using a search query corresponding to the requested video; And Providing the search result with the video to the user Video-related information providing method comprising a. The method of claim 1, wherein the search query word is generated by using one or more index words related to the video. The method of claim 2, wherein the index word is extracted from meta information of the video. The method of claim 1, wherein the video related information providing method comprises: Generating a re-search result by performing a re-search based on the search query word every predetermined time period while the video is being played after providing the search result together with the video; And Providing the generated re-search results to the user Video-related information providing method comprising a further. The method of claim 1, wherein when there are a plurality of search query terms, search results are sequentially generated at predetermined time intervals based on the search query terms, and search results are sequentially provided to the user. How to provide information related to the video. The method of claim 5, wherein a search rank of the plurality of search queries is determined according to a frequency rank of search words recorded in user log information. The video related information of claim 1, wherein the index word is extracted from any one of a title, a description, or a text included in a tag of the video recorded in the meta information. How to Provide. The method of claim 1, wherein the video related information providing method further comprises performing stopword processing on the extracted index word before the search query word generating step. A recording medium having recorded thereon a computer readable program for performing the method according to any one of claims 1 to 8. A video related information providing system capable of providing together information related to the video when providing a video requested from a user, A search query generator for generating one or more search queries for searching for information related to the video from the meta information of the video; A search unit for generating a search result by performing a search based on the search query word generated by the search query word generator; And A web server that receives the video request information from the user and provides the search result generated by the search unit together with the requested video to the user Video-related information providing system comprising a. 12. The method of claim 10, wherein the search query generating unit comprises an index word extracting unit for extracting an index word from the meta information, and provides video related information, wherein the search query is generated using the index word extracted by the index word extracting unit. system. The method of claim 11, wherein the search query generating unit And a stopword processor configured to perform stopword processing on the indexword extracted by the indexword extractor, to generate a search query using the stopword processed index word. 11. The method of claim 10, wherein the search unit performs a re-search based on the search query word every predetermined time period to generate a re-search result, and provides the generated re-search results to the web server, the web server from the search unit A video related information providing system, characterized in that to provide the user with the result of the re-search received during the playback of the video. 12. The method of claim 10, wherein when a plurality of search query words are generated by the search query generator, the search unit sequentially generates search results at predetermined time intervals based on the respective search query words, and generates the search results. Providing the search results to the web server, wherein the web server sequentially provides the search results received from the search unit to the user. The system of claim 14, wherein the search unit determines a search rank of the plurality of search queries based on a frequency ranking of search words recorded in user log information. The method of claim 11, wherein the index word extracting unit extracts the index word from any one of text included in a title, a description, or a tag of the video recorded in the meta information. Video related information providing system. 12. The method of claim 11, further comprising at least one of a video database storing the video, a meta information database storing meta information about the video, or a search query database storing the search query. Informational system.

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