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题名:
combining strategies for xml retrieval
作者: Gao Ning ; Deng Zhi-Hong ; Jiang Jia-Jian ; Lv Sheng-Long ; Yu Hang
会议文集: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
会议名称: 9th International Workshop of the Initiative for the Evaluation of XML Retrieval, INEX 2010
会议日期: 1-Dec
出版日期: 2011
会议地点: Vught, Netherlands
关键词: Feedback ; Search engines ; XML
出版地: Germany
收录类别: EI
ISSN: 3029743
ISBN: 9783642235764
部门归属: (1) Key Laboratory of Machine Perception (Ministry of Education), School of Electronic Engineering and Computer Science, Peking University, China; (2) State Key Lab. of Computer Science, Institute of Software, Chinese Academy of Sciences, Beijing 100190, China
英文摘要: This paper describes Peking University's approaches to the Ad Hoc, Data Centric and Relevance Feedback track. In Ad Hoc track, results for four tasks were submitted, Efficiency, Restricted Focused, Relevance In Context and Restricted Relevance In Context. To evaluate the relevance between documents and a given query, multiple strategies, such as Two-Step retrieval, MAXLCA query results, BM25, distribution measurements and learn-to-optimize method are combined to form a more effective search engine. In Data Centric track, to gain a set of closely related nodes that are collectively relevant to a given keyword query, we promote three factors, correlation, explicitnesses and distinctiveness. In Relevance Feedback track, to obtain useful information from feedbacks, our implementation employs two techniques, a revised Rocchio algorithm and criterion weight adjustment. © 2011 Springer-Verlag.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/14341
Appears in Collections:计算机科学国家重点实验室 _会议论文

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Recommended Citation:
Gao Ning,Deng Zhi-Hong,Jiang Jia-Jian,et al. combining strategies for xml retrieval[C]. 见:9th International Workshop of the Initiative for the Evaluation of XML Retrieval, INEX 2010. Vught, Netherlands. 1-Dec.
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