[1]于丽,亚森·艾则孜.采用相关反馈和文档相似度的维吾尔语检索词加权方法[J].华侨大学学报(自然科学版),2017,38(3):408-413.[doi:10.11830/ISSN.1000-5013.201703022]
　YU Li,YASEN·AIZEZI.Uyghur Retrieval Word Weighting Scheme Using Relevance Feedback and Document Similarity[J].Journal of Huaqiao University(Natural Science),2017,38(3):408-413.[doi:10.11830/ISSN.1000-5013.201703022]
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采用相关反馈和文档相似度的维吾尔语检索词加权方法()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第38卷
期数:
2017年第3期
页码:
408-413
栏目:
出版日期:
2017-05-20

文章信息/Info

Title:
Uyghur Retrieval Word Weighting Scheme Using Relevance Feedback and Document Similarity
文章编号:
1000-5013(2017)03-0408-06
作者:
于丽;  亚森·艾则孜
新疆警察学院 信息安全工程系, 新疆 乌鲁木齐 830011
Author(s):
YU Li;  YASEN·AIZEZI
Department of Information Security Engineering, Xinjiang Police College, Urumqi 830011, China
关键词:
维吾尔语;  文档检索;  检索词加权;  相关反馈;  文档相似度
Keywords:
Uygur;  document retrieval;  weighted retrieval words;  relevance feedback;  document similarity
分类号:
TP391
DOI:
10.11830/ISSN.1000-5013.201703022
文献标志码:
A
摘要:
针对维吾尔语Web文档的有效检索问题,提出一种基于相关反馈和文档相似度的检索词加权方法.首先,对维吾尔语文档进行预处理,获得相应的词干集.然后,当用户输入多个检索词时,执行初始检索,并基于局部相关反馈思想提取出排名靠前的N个文档.接着,利用TF-IDF算法计算检索词与反馈文档之间的词频相似度,通过余弦距离计算文档之间的相似度,并以此对检索词进行两次加权.最后,根据加权后的检索词进行文档检索.实验结果表明:该方法能够准确地检索出用户所需的文档,并将其靠前排序.
Abstract:
For the issue that the effective retrieval of Uyghur web documents, a Uyghur retrieval word weighting scheme based on the relevance feedback and document similarity is proposed. First of all, the Uyghur documents are pre-processed to obtain the corresponding stem set. Then, the initial search is executed when the user input a number of retrieval words, and it extracts the top N documents based on local relevance feedback. Follow, the TF-IDF algorithm is used to compute the frequency similarity between retrieval word and feedback documents. At the same time, the cosine distance is used to compute the similarity between documents, so as to make twice weighted for retrieval words. Finally, it performs document retrieval according to the weight of retrieval words. Experimental results show that the proposed method can accurately retrieve the documents required by the user, and can sort them in the front.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016-05-10
通信作者: 亚森·艾则孜(1975-),男,教授,主要从事信息安全、自然语言处理的研究.E-mail:yulixjpc@126.com.
基金项目: 新疆维吾尔自治区自然科学基金资助项目(2015211A016)
更新日期/Last Update: 2017-05-20