Information retrieval result sorting method, computer equipment and storage medium
A sorting method and information retrieval technology, applied in the field of information retrieval, can solve the problems of difficult parameter adjustment, difficult to integrate various information, difficult to use other information, etc., and achieve the effect of broad application prospects.
Pending Publication Date: 2020-10-27
威海天鑫现代服务技术研究院有限公司
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Problems solved by technology
[0003] However, as the number of factors affecting relevance increases, it becomes difficult to use traditional ranking methods
Traditional sorting methods are difficult to integrate multiple information. For example, the vector space model uses tf*idf as the weight to construct the correlation function, which makes it difficult to use other information, and if there are many parameters in the model, it will also make it very difficult to adjust parameters, and It is likely that overfitting will occur
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[0030] 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 and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0031] The specific implementation of the present invention will be described in detail below in conjunction with specific embodiments.
[0032] Such as figure 1 As shown, in one embodiment of the present invention, a method for sorting information retrieval results includes the following steps:
[0033] Label training data
[0034] Find documents related to the query, and sort the documents by relevance; specifically, the relevance can be divided into 3 grades from 1 to 5, 1 represents weak correlation, 5 represents the most relevant, and other values represent correlation between the two bet...
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The method is suitable for the technical field of information retrieval, and provides an information retrieval result sorting method. The method comprises the steps of marking training data, extracting text features, training a learning function and the like. The method has the advantages that according to query related information such as click data, anchor texts of web pages and PageRank scores,the information is fused into the feature model, the ranking model is automatically constructed through the learning ranking technology, and the method has wide application prospects in the fields ofinformation retrieval, natural language processing, data mining and the like.
Description
technical field [0001] The invention relates to the technical field of information retrieval, in particular to a method for sorting information retrieval results, computer equipment and storage media. Background technique [0002] In the field of information retrieval, the traditional sorting method is realized by constructing a sorting function, generally sorting according to the degree of relevance. A typical query in a search engine will return a related document, and then sort it according to the correlation between the search keyword and the document, and then return it to the user. [0003] However, as there are more factors affecting the relevance, it becomes difficult to use traditional ranking methods. Traditional sorting methods are difficult to integrate multiple information. For example, the vector space model uses tf*idf as the weight to construct the correlation function, so it is difficult to use other information, and if there are many parameters in the mode...
Claims
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IPC IPC(8): G06F16/9538
CPCG06F16/9538
Inventor 黎阳申义侯颖刘大伟王涛
Owner 威海天鑫现代服务技术研究院有限公司