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Text similarity comparison method

A text similarity and comparison technology, applied in natural language data processing, special data processing applications, network data retrieval, etc., can solve problems such as huge number of times, heavy workload, low efficiency and accuracy

Active Publication Date: 2017-08-04
CHINSESALL DIGITAL PUBLISHING GRP CO LTD +1
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Problems solved by technology

[0005] When performing content similarity comparison, since there are tens of millions of works in the works library, the number of works captured by the network infringement tracking development platform from the Internet is more than hundreds of times the number of works in the works library. Therefore, the two The number of comparisons between the two is huge, the workload is heavy, and the efficiency and accuracy are relatively low.

Method used

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  • Text similarity comparison method

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Embodiment Construction

[0071] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0072] The network infringement tracking development platform monitors and tracks textual digital works, therefore, the content similarity comparison technical solution for works is aimed at text content. Text comparison is performed on the plain text content after data processing. The architecture design of the comparison system and the design of the comparison algorithm have a great impact on the efficiency of the entire tracking platform.

[0073] In the embodiment of the present invention, the text similarity comparison adopts a distributed architecture in the system architecture, and adopts ...

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Abstract

The invention discloses a text similarity comparison method, and relates to the technical field of network works comparison. In the method, on system architecture, a distributed architecture is used for text similarity comparison, and a multi-granularity hierarchical algorithm is used on comparison algorithm, including similarity comparison using documents as coarse granularity and similarity comparison using subsection texts as fine granularity, so that relatively good equilibrium is obtained on efficiency and accuracy of content similarity comparison, and the following performance indexes are realized, on established test data, average missed detection rate and false alarm rate is <= 10%, and comparison response time is <= 0.1 s.

Description

technical field [0001] The invention relates to the technical field of online works comparison, in particular to a text similarity comparison method. Background technique [0002] At present, with the rapid development of Internet technology, the speed of dissemination of online works is getting faster and wider, and the scope of dissemination is wider and wider, and there are more and more infringements on online works. In order to solve the infringement of works that occur through the Internet, you can Use the network infringement tracking development platform to monitor and track works. [0003] In the tracking process, the web crawler technology is mainly used to grab works from the Internet first, and then compare the content similarity with the works stored in the works library of the network infringement tracking development platform, so as to confirm whether the network works are infringing works . [0004] Among them, web crawlers (also known as web spiders, web r...

Claims

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Application Information

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IPC IPC(8): G06F17/27G06F17/30
CPCG06F16/951G06F40/289G06F40/30
Inventor 张国文
Owner CHINSESALL DIGITAL PUBLISHING GRP CO LTD
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