Computing method, search processing method, computing device and search processing device for sentence similarity

A computing device and a technology for semantic similarity, applied in the field of information processing, can solve problems such as wrong search results, affect user experience, etc., and achieve the effect of accurate search results

Active Publication Date: 2015-03-25
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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Problems solved by technology

resulting in incorrect search results, severely impacting the user experience

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  • Computing method, search processing method, computing device and search processing device for sentence similarity
  • Computing method, search processing method, computing device and search processing device for sentence similarity
  • Computing method, search processing method, computing device and search processing device for sentence similarity

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Embodiment Construction

[0018] The present invention provides a computer-implemented sentence similarity calculation, search processing method and device, starting from the perspective of calculating the similarity between the query sentence and the webpage title, and calculating the similarity between the query sentence and the webpage title based on the dependency relationship, In this way, a more accurate statement similarity can be obtained, and it can better distinguish query statements and web page titles that are literally similar but have completely different meanings; search results.

[0019] Further, on the basis of calculating the semantic similarity according to the dependency relationship, the present invention adds the semantic role relationship similarity as an element for calculating the semantic similarity, and more comprehensively measures the semantic similarity between sentences, so that the calculated Sentence similarity is more accurate.

[0020] The computer-implemented senten...

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Abstract

The invention provides a computing method, a search processing method, a computing device and a search processing device for sentence similarity realized through a computer. The computing method comprises the following steps: obtaining a first sentence and a second sentence; carrying out dependency analysis on the first sentence and the second sentence respectively to obtain a first dependency tree and a second dependency; computing the sentence similarity of the first sentence with the second sentence according to the first dependency tree and the second dependency tree. The search processing method comprises the following steps: receiving a query sentence; obtaining at least one search result item according to the query sentence; respectively computing the semantic similarity of the query sentence and the semantic similarity of the search result items through the computing method for sentence similarity realized through the computer; ordering the search result items according to the computed value of the semantic similarity; sending the search result items through ordering. More accurate sentence similarity can be computed according to the semanteme of sentences, and the search results are more accurate.

Description

technical field [0001] The invention relates to information processing technology, in particular to a computer-implemented method and device for calculating and searching the similarity of sentences. Background technique [0002] The calculation of the similarity between the query sentence entered by the user and the title of the searched webpage is the core problem of the search technology. The ranking based on the above similarity calculation determines the quality of the search engine and the quality of user experience. The similarity calculation method in the prior art is mainly based on the bag-of-words method, which simply considers the direct matching of a single or several words, and does not consider the real semantics of the combination of these words. of. [0003] However, the prior art only considers word-level matching, and cannot distinguish the semantic mismatch between sentences. In the case where two sentences are literally similar but have completely dif...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/90344G06F16/9038
Inventor 吴先超
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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