CN103942254A - Pirated video resource discovery method oriented to network disk share service - Google Patents
Pirated video resource discovery method oriented to network disk share service Download PDFInfo
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- CN103942254A CN103942254A CN201410100596.2A CN201410100596A CN103942254A CN 103942254 A CN103942254 A CN 103942254A CN 201410100596 A CN201410100596 A CN 201410100596A CN 103942254 A CN103942254 A CN 103942254A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/955—Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/951—Indexing; Web crawling techniques
Abstract
The invention discloses a pirated video resource discovery method oriented to network disk share service. Firstly, according to an assigned network disk and a target video, possible download links and file sharing information of the target video on the assigned network disk are collected through a general search engine, and an alternative download link set is obtained; then, through a ternary attribute rule tree, whether all the links in the alternative download link set are download links of the target video or not is judged, an effective download link set of the target video is obtained, and therefore pirated shared resources of the target video in the assigned network disk are discovered. The ternary attribute rule tree includes first, whether titles of shared files corresponding to the download links conform to the target video or not is judged; then, whether the type of the shared files is a possible video resource format or not is judged; final, whether the size of the shared files is within a preset normal range or not is judged, and the effective download link set of the target video is obtained.
Description
Technical field
The invention belongs to internet document and share application, particularly a kind of pirate video resource discovery method towards the service of net dish sharing files.
Background technology
Along with the development of Web2.0 technology and cloud memory technology, a kind of new sharing files mode based on net dish becomes the main flow that internet document is shared just gradually.Famous net dish website, for example external Megaupload, 4shared, domestic Huawei's net dish, Baidu's cloud dish etc. are all supported the sharing files service based on download link.Its ultimate principle is as shown in Figure 1: first user's upload file is to net dish, if user selects to share this file, the download link that net dish can automatically generate this file returns to uploads user, and in net disc system, generates an include file title, type, size, uplink time, uploads the page of sharing of the information such as user; Upload user and can this download link be shared with to other Internet users by variety of ways such as blog, forum, QQ; Other users just can download the corresponding file of sharing from net dish easily by clicking this link.Conventionally these download link information of sharing also can be retrieved by the universal search engine such as Google, Baidu, and therefore general internet user also can obtain by search engine the download link of sharing file, thereby has effectively expanded the scope of sharing of file.
Compared with traditional P2P sharing files, the sharing files mode based on net dish has advantage in many aspects such as protection privacy of user, content diversity, speeds of download.Particularly it,, to the economic incentives strategy for hot resource uploader, has attracted a large number of users to share hot resource on net dish.But net dish is shared existence and is shared the same problem of piracy of mode with P2P, is the pirate video file such as film, TV play in these hot resources of uploading greatly.Have research to point out, due to can be for pirate video publisher provides more considerable economic interests, net dish be shared the main path that becomes just gradually the diffusion of pirate video resource.Along with a large amount of pirate video files and seed file thereof are transferred to net dish; as copyright owner and the copyright protection tissue of video resource; how net dish magnanimity share file in find that rapidly and accurately these pirate videos share resource, supervising net disk management person to delete related download link becomes the key of the illegal diffusion of blocking-up pirate video.
Summary of the invention
The object of this invention is to provide a kind of pirate video resource discovery method towards net dish sharing service, the method can, from specifying the magnanimity of net dish to share to find rapidly and accurately file polytype piracy of target video to share file, comprise video file, seed file and compressed file.
For achieving the above object, pirate video resource discovery method provided by the invention, is characterized in that, comprises the following steps:
Step 1, for specifying net dish, intended target video, utilize universal search engine to collect this target video specifying possible the download link on net dish and sharing fileinfo, obtain alternative download link set, concrete execution is as follows:
1.1), extract the feature string of specifying net dish to share the download link that file is corresponding, the same character string of appearance that all download link of sharing file of this net dish comprise jointly;
1.2), according to specifying net dish, target video title to build searched key word, utilize universal search engine to collect and the maximally related page info of searched key word, preserve url list corresponding to result for retrieval;
Described keyword construction method, comprises and is not limited to following mode: " title+download of target video title+appointment net dish " or " target video title specifies net dish title to download "; Described universal search engine, comprises and is not limited to: Baidu, Google;
1.3), crawl webpage corresponding to each URL in the url list that result for retrieval is corresponding;
1.4), judge in the url list that result for retrieval is corresponding, whether each URL comprises the feature string of specifying net dish, if comprised, using this URL as the possible download link of target video, is added in alternative download link set; If do not comprised, read the all-links comprising in the web page contents that this URL is corresponding, judge whether each link comprises the feature string of specifying net dish, if comprised, using this link as the possible download link of target video, added in alternative download link set, otherwise this URL of termination analysis;
Step 2, utilize ternary attribution rule tree method provided by the invention, judge whether the each link in alternative download link set is the download link of target video, thereby obtain the set of target video download link, concrete carry out as follows:
2.1), according to specifying net dish to share the spatial layout feature of the page, extract each download in alternative download link set and connect the corresponding tlv triple attribute of sharing file { title, type, size };
2.2), judge in alternative download link set, whether the title of sharing file corresponding to each download link meets with target video title, if met, download link is added in the set of synthesis download link, execution step 2.3; Otherwise judge this download link corresponding share the file of sharing that file is not target video, give up corresponding download link;
It is described that to share the determination methods whether file title and target video title meet as follows:
2.2.1), formulate the unified transformation rule of sharing file title and target video title: replace with space sharing all symbols that contain in file title and target video title, if there is space between adjacent Chinese character, space is removed; The all traditional Chinese characters that contain are converted into simplified character; The all English capitalization characters that contain are converted into english lowercase character; The all Roman numbers and the Chinese figure that contain are converted into arabic numeral;
2.2.2), the title of sharing file corresponding each download link in alternative download link set is changed according to unified transformation rule described in step 2.2.1;
2.2.3), target video title is changed according to unified transformation rule described in step 2.2.1;
2.2.4), judge sharing file title and whether accurately comprise the target video title after conversion after conversion, if comprised, think that title and target video title meet; Do not meet otherwise be judged as;
2.3), judge that in the set of synthesis download link, each download connects the corresponding type of sharing file, if type is video file format, compressed file format, seed file form, download link is joined in the set of format match download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link;
2.4), judge in the set of format match download link, whether the size of sharing file corresponding to each download connection meets every kind of normal size scope that file type is default, if met, judge that this shares the file of sharing that file is target video, download link is joined in the set of target video download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link.
Obtain the accurate download link set of target video by said method, the file of sharing corresponding to each download link in set be that target video is shared file the piracy of specifying net dish.Pirate video resource discovery method provided by the invention, can be supported in to specify and on net dish, find that polytype piracy of target video shares file, comprises video file, seed file and compressed file.It should be noted that, because net dish is uploaded user to sharing the arbitrariness of file title name, what pirate video resource discovery method provided by the invention was found share file be not all that the piracy of target video is shared file, but by large scale test, the accuracy rate of the method can reach more than 95%.
Brief description of the drawings
Fig. 1 is the sharing files process schematic diagram based on net dish in background technology
Fig. 2 is the overall flow figure of pirate video resource discovery method provided by the invention
Fig. 3 is that the universal search engine that utilizes that the embodiment of the present invention provides is collected the process flow diagram of target video possibility download link
To be the target video that provides of the embodiment of the present invention share page schematic diagram what specify net dish to Fig. 4
Fig. 5 is that the process flow diagram whether file title and target video title meet is shared in judgement that the embodiment of the present invention provides
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described, so that those skilled in the art understands the present invention better.Requiring particular attention is that, in the following description, in the time that perhaps the detailed description of known function and design can desalinate main contents of the present invention, these are described in here and will be left in the basket.
Fig. 2 is the overall flow of pirate video resource discovery method provided by the invention, and concrete steps comprise:
Step 1: receive and specify net dish and target video, utilize universal search engine to collect target video specifying the possible download link on net dish and sharing the file page, obtain the alternative download link set of target video;
Step 2: utilize ternary attribution rule tree method provided by the invention, judge whether the each link in alternative download link set is the download link of target video, thereby obtain target video in the accurate download link set of specifying net dish, specifically comprise:
Step 2.1: according to specifying net dish to share the spatial layout feature of the page, extract three meta-attributes of sharing file { title, type, size } corresponding to each download link in alternative download link set;
Step 2.2: judge in alternative download link set, whether the title of sharing file corresponding to each download link meets with target video title, if met, download link is added in the set of synthesis download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link;
Step 2.3: judge the type of sharing file corresponding to each download link in the set of synthesis download link, if type is video file format, compressed file format, seed file form (containing sharing files seed and player seed), download link is joined in the set of format match download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link;
Step 2.4: judge in the set of format match download link, whether the size of sharing file corresponding to each download link meets every kind of normal size scope that file type is default, if met, judge that this shares the file of sharing that file is target video, download link is joined in the set of target video download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link.
Embodiment 1
Embodiment 1 provides the present invention to utilize universal search engine to collect the embodiment of target video possibility download link, and flow process as shown in Figure 3.
Step 1.1: extract the feature string of specifying net dish to share the download link that file is corresponding, the same character string of appearance that all download link of sharing file of this net dish comprise jointly;
Step 1.2: according to specifying net dish, target video title to build searched key word, utilize universal search engine to collect and the maximally related page info of searched key word, preserve url list corresponding to result for retrieval;
Step 1.3: crawl webpage corresponding to each URL in the url list that result for retrieval is corresponding;
Step 1.4: set up target video in the alternative download link set of specifying net dish, specifically comprise:
Step 1.4.1: judge in the url list that result for retrieval is corresponding, whether each URL comprises the feature string of specifying net dish, if comprised, using this URL as the possible download link of target video, is added in alternative download link set; If do not comprised, perform step 1.4.2;
Step 1.4.2: read the all-links comprising in the web page contents that this URL is corresponding;
Step 1.4.3: judge whether the each link comprising in webpage comprises the feature string of specifying net dish, if comprised, using this link as the possible download link of target video, is added in alternative download link set, otherwise this URL of termination analysis.
In the present embodiment, for example, require to collect the download link that the piracy of film " bit people suddenly " on " Baidu's cloud dish " shared file, specifying net dish is " Baidu's cloud dish ", and target video is " bit people suddenly ".Therefore, extract the feature string http://pan.baidu.com/share/link shareid=of " Baidu's cloud dish ", all " Baidu's cloud dish " shared in the download link of file and all comprised this character string.
Then, build searched key word " bit people+Baidu cloud dish+download suddenly ", on Baidu's search engine, collect related web page information, by a front n Search Results be recorded as a url list URL1, URL2 ... URLn}.
Judge in url list, whether each URL comprises feature string " http://pan.baidu.com/share/link shareid=", if comprised, this URL is added to alternative download link set; Otherwise read the web data that this URL is corresponding, extract the all-links comprising in content, then judge successively in link whether comprise feature string, if comprised, this link is added to alternative download link set; Otherwise, this URL of termination analysis.
For example in url list, there are 3 URL, respectively:
URL1：http://pan.baidu.com/share/link?shareid=1051395566&uk=1964313849
URL2：http://tieba.baidu.com/p/2388699160
URL3：http://bbs.hdbird.com/thread-613429-1-1.html
According to described judgment rule, URL1 directly comprises feature string, is therefore added alternative download link set;
URL2 itself does not comprise feature string, further analyzes in the webpage that URL2 is corresponding and does not comprise the link that contains feature string yet, and therefore, URL2 is not alternative download link, gives up;
Although URL3 itself does not comprise feature string, but further analyze its corresponding webpage, find to comprise the link http://pan.baidu.com/share/link shareid=368501 & uk=2988433221 that contains feature string in web page contents, therefore, link http://pan.baidu.com/share/link shareid=368501 & uk=2988433221 is added to alternative download link set.
Finally, the alternative download link set forming is in this example { http://pan.baidu.com/share/link shareid=1051395566 & uk=1964313849, http://pan.baidu.com/share/link shareid=368501 & uk=2988433221}.
Embodiment 2
Embodiment 2 is that the present invention extracts the specific implementation method of specifying net dish to share file attribute.Fig. 4 is that on " Baidu's cloud dish " one of target video shares the page.Analyze " Baidu's cloud dish " and share the spatial layout feature of the page, find that all html codes of sharing the page all comprise following structure:
It is as follows that for example film " allows bullet fly " to share the page " Baidu's cloud dish " one:
Therefore, carry out the string matching of keyword by regular expression, can extract the attribute { title, type, size } of sharing file, in the present embodiment, the title of sharing file is that " allowing bullet fly ", type are that " mkv ", size are " 1.43G ".
Embodiment 3
Embodiment 3 is that the idiographic flow whether file title and target video title meet is shared in judgement provided by the invention, and as shown in Figure 5, process is as follows:
Step 2.2.1: formulate the unified transformation rule of sharing file title and target video title: replace with space sharing all symbols that contain in file title and target video title, if there is space between adjacent Chinese character, space is removed; The all traditional Chinese characters that contain are converted into simplified character; The all English capitalization characters that contain are converted into english lowercase character; The all Roman numbers and the Chinese figure that contain are converted into arabic numeral;
Step 2.2.2: the title of sharing file corresponding each download link in alternative download link set is changed according to unified transformation rule described in step 2.2.1; For example title is " undiscovered talents .2000.Bluray.1080p ", after conversion, is " undiscovered talents 2000Bluray1080p ":
Step 2.2.3: target video title is changed according to unified transformation rule described in step 2.2.1, for example, be " the shawshank redemption " after " The Shawshank Redemption " conversion;
Step 2.2.4: judge sharing file title and whether accurately comprise the target video title after conversion after conversion, if comprised, think and share file title and target video title meets; Do not meet otherwise be judged as.For example the file title of sharing after conversion is " undiscovered talents 2000Bluray1080p ", target video name after conversion is called " undiscovered talents ", carry out string matching, title accurately comprises video name, and therefore judgement is shared file title and target video title meets.
Embodiment 4
Embodiment 4 is for the set of title coupling download link, according to sharing file type and size, judges whether download link is wherein the embodiment of accurately sharing file of target video.Table 1 is the video resource form of the discovery supported that provides of the embodiment of the present invention, comprises video file format, compressed file format, seed file form.
Table 1
| Video resource form | Comprise and be not limited to following example |
| Video file format | mkv,?3gp,?avi,?mp4,?mpg,?rm,?rmvb,?flv,?ts,?kmv |
| Compressed file format | rar,?zip,?7z |
| Seed file form | torrent,?qsed,?bsed,?bhd,?qmv,?bov |
For example, target video " The Shawshank Redemption " the alternative download link of " Baidu's cloud dish " corresponding to share file as shown in table 2, and the title of sharing file all meets target video title, whether the type and size that therefore need further judgement to share file meet the feature of video resource.
Step 2.3 in 2 with reference to the accompanying drawings, first judge whether the type of sharing file in table 2 meets the type (as shown in table 1) that pirate video resource discovery method provided by the invention is supported, therefore file type is that the file of sharing of torrent, mkv, rar meets video resource form, and its corresponding download link joins in the set of format match download link.And type is text and the audio compression coded file that file is respectively target video of sharing of pdf and flac, not the video sharing file of film, therefore corresponding download link is given up.
Table 2
| Numbering | Title | Type | Size |
| 1 | The Shawshank Redemption | torrent | 133.39K |
| 2 | The Shawshank Redemption | mkv | 2.99G |
| 3 | The Shawshank Redemption | rar | 980.86M |
| 4 | The Shawshank Redemption | rar | 45.48M |
| 5 | The Shawshank Redemption | rar | 300.67K |
| 6 | The Shawshank Redemption drama | 2.67M | |
| 7 | The Shawshank Redemption | flac | 17.42M |
Step 2.4 in 2 with reference to the accompanying drawings, for the file of sharing of format match, whether the size that file is shared in judgement meets every kind of normal size scope that file type is default, if met, judge that this shares the file of sharing that file is target video, download link is joined in the set of target video download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link.In the pirate video resource discovery method providing in the present invention, be by the normal size scope of every kind of file type of systemic presupposition, conventionally determine according to video length and compression coding mode.For example as shown in table 3 for the predeterminable scope of target film " The Shawshank Redemption ":
Table 3
As shown in table 3, be seed file form for sharing file, do not consider its file size, the piracy that is directly judged as target video is shared file.Be compressed file format for sharing file, judge whether compressed file is less than 500K, if be less than, be judged as the compressed file of the seed file of target video, share file and be the piracy of target video and share file; Otherwise, judge whether compressed file is greater than 150M, if be greater than, be judged as the compressed file of the video file of target video, share file and be the piracy of target video and share file; If file size is in [500K, 150M] scope, to share file be not that the piracy of target video is shared file in judgement.Be video file format for sharing file, according to its Format Type, judge whether to meet default normal range.Therefore, the normal range of setting according to table 3, in table 3, be only numbered 1,2,3,5 share file be target video accurately share file.
Claims (5)
- The invention discloses a kind of pirate video resource discovery method towards net dish sharing service.First, the method, according to specifying net dish and target video, utilizes universal search engine to collect this target video specifying the possible download link on net dish and sharing fileinfo, obtains alternative download link set; Then, the method is utilized ternary attribution rule tree, judge whether the each link in alternative download link set is the download link of target video, obtains target video download link set accurately, thereby discovery target video is shared resource the piracy of specifying net dish.1. towards a pirate video resource discovery method for net dish sharing service, it is characterized in that, comprise the following steps:Step 1: receive and specify net dish and target video, utilize universal search engine to collect target video specifying the possible download link on net dish and sharing the file page, obtain the alternative download link set of target video;Step 2: utilize ternary attribution rule tree method provided by the invention, judge whether the each link in alternative download link set is the download link of target video, thereby obtain target video in the accurate download link set of specifying net dish.
- 2. the method for claim 1, is characterized in that, the described universal search engine that utilizes is collected target video in the possible download link method of specifying net dish, comprising:Extract the feature string of specifying net dish to share the download link that file is corresponding, the same character string of appearance that all download link of sharing file of this net dish comprise jointly;According to specifying net dish and target video title to build searched key word, utilize universal search engine to collect and the maximally related info web of searched key word, preserve url list corresponding to result for retrieval;Crawl webpage corresponding to each URL in the url list that result for retrieval is corresponding;Judge in the url list that result for retrieval is corresponding, whether each URL comprises the feature string of specifying net dish, if comprised, using this URL as the possible download link of target video, is added in alternative download link set; If do not comprised, read the all-links comprising in the web page contents that this URL is corresponding, judge whether each link comprises the feature string of specifying net dish, if comprised, using this link as the possible download link of target video, added in alternative download link set, otherwise this URL of termination analysis.
- 3. the method for claim 1, is characterized in that, described ternary attribution rule tree method, comprising:According to specifying net dish to share the spatial layout feature of the page, extract three meta-attributes of sharing file { title, type, size } corresponding to each download link in alternative download link set;Judge in alternative download link set, whether the title of sharing file corresponding to each download link meets with target video title, if met, download link is added in the set of synthesis download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link;Judge that in the set of synthesis download link, each download connects the corresponding type of sharing file, if type is video file format, compressed file format, seed file form (containing sharing files seed and player seed), download link is joined in the set of format match download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link;Judge in the set of format match download link, whether the size of sharing file corresponding to each download link meets every kind of normal in size scope that file type is default, if met, judge that this shares the file of sharing that file is target video, download link is joined in the set of target video download link; Otherwise, judge that this shares the file of sharing that file is not target video, give up corresponding download link.
- 4. method as claimed in claim 3, is characterized in that, described in share the determination methods whether file title and target video title meet, comprising:The unified transformation rule of file title and target video title is shared in formulation: replace with space sharing all symbols that contain in file title and target video title, if there is space between adjacent Chinese character, space is removed; The all traditional Chinese characters that contain are converted into simplified character; The all English capitalization characters that contain are converted into english lowercase character; The all Roman numbers or the Chinese figure that contain are converted into arabic numeral;The title of sharing file corresponding each download link in alternative download link set is changed according to described unified transformation rule;Target video title is changed according to described unified transformation rule;Judge sharing file title and whether accurately comprise the target video title after conversion after conversion, if comprised, think and meet, do not meet otherwise be judged as.
- 5. method as claimed in claim 3, is characterized in that, the pirate video resource format that the inventive method support is found comprises: video file format, compressed file format, seed file form; Described seed file comprises the seed file of sharing files and the specific seed file of player.
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| CN201410100596.2A CN103942254B (en) | 2014-03-18 | 2014-03-18 | A kind of pirate video resource discovery method towards Dropbox sharing service |
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| CN110134801A (en) * | 2019-04-28 | 2019-08-16 | 福建星网视易信息系统有限公司 | A kind of matching process and storage medium of work title and multimedia file |
| US11100593B2 (en) | 2017-03-28 | 2021-08-24 | International Business Machines Corporation | Using social network data to detect and quantify unauthorized consumption of content |
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| CN103942254B (en) | 2017-11-14 |
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