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Recommendation method of legal articles based on word vector model

A recommendation method and word vector technology, which is applied in the field of recommendation system to achieve the effect of improving calculation speed, improving effect and maintaining accuracy

Active Publication Date: 2021-09-28
NANJING UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the word vector model, through the calculation of the vector space, the relationship between the upper and lower meanings, the total score relationship, the semantic relationship (similar relationship, opposite relationship, etc.) between words and the corresponding relationship between word pairs can be obtained, which greatly expands the language The ability to process is difficult for traditional natural language models to complete

Method used

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  • Recommendation method of legal articles based on word vector model
  • Recommendation method of legal articles based on word vector model
  • Recommendation method of legal articles based on word vector model

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Experimental program
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Embodiment Construction

[0042] The present invention mainly uses a word vector model to measure the similarity between referee documents, and recommends legal articles to the referee documents through a collaborative filtering recommendation strategy. The overall process of the recommended method is as follows: figure 1 shown. Its specific implementation is as follows:

[0043] 1. The main flow of the method is as follows: figure 2 shown in the upper part.

[0044] (1) Step 1: Obtain the case basic information set A of the written judgment documents set 1 ={a 1 , a 2 ,...,a N} and the referenced set of statutes F 1 ={f 1 , f 2 ,..., f N}.

[0045] (2) Step 2, use word segmentation tool to A 1 The basic situation of each case in a i Carry out word segmentation to obtain the basic situation set A of the case after word segmentation 2 ={a' 1 , a' 2 ,...,a′ N}.

[0046] (3) Step 3, for A 2 The basic situation of each case in a″ i Remove the stop words and obtain the cleaned up case b...

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Abstract

The invention discloses a method for recommending legal articles based on a word vector model. The invention belongs to the collaborative filtering recommendation technology in the technical field of recommendation systems. Collaborative filtering is a technology for recommending or screening information for things by using similar things. The recommendation method Article needs to use the basic case information in the judgment documents to obtain other documents with similar cases, and then recommend legal articles based on multiple precedents. Compared with the existing method, the present invention has the remarkable advantage that after introducing the word vector model, the similarity degree of the basic situation of two cases can be expressed more accurately through the calculation of the word vector, so as to find a document with more similar case conditions for the judgment document. And according to multiple documents with similar cases, multiple collaborative filtering recommendation strategies can be adopted to obtain more accurate recommendation results.

Description

technical field [0001] The invention belongs to the technical field of recommendation systems, in particular to a collaborative filtering recommendation technology in the technical field of recommendation systems, which is a technology for recommending laws and regulations according to the basic conditions of litigation cases. Background technique [0002] In recent years, guided by the concept of "big data, big structure, and big services", the Supreme People's Court has actively promoted and implemented the strategic deployment of comprehensive law-based governance, and vigorously promoted the informatization construction of the people's courts. Judgment documents, as the carrier of legal trial activity records, fully reflect the objective process of the parties' claims, proof and cross-examination, and comprehensively expound the legal basis, factual evidence and reasoning process for the formation of the judgment result. Judgment documents are an important type of judici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/9535G06F40/216G06F40/289G06F40/30
CPCG06F40/216G06F40/279G06F40/30
Inventor 葛季栋李传艺王子安冯奕雷妙妙周筱羽骆斌
Owner NANJING UNIV