The Research on Concept Retrieval Model Based on Rhombus-thinking Process
Yu Xiaoyi1, Liu Xu1, Qiu Jiangnan2, Dong Jinxia2
1. Dalian University of Technology Library, Dalian 116085, China;
2. School of Management Science and Engineering, Dalian University of Technology, Dalian 116024, China
Abstract：In this paper, the model of using rhombus-thinking method to solve retrieval problems is introduced into the Ontology-based concept retrieval model. This paper gives the algorithms of keywords’ matter element divergent expansion and extended words’ quantify convergence, and designs the experiment to prove that the model can improve concept retrieval recall rate and precision rate, and resolves the problem of synonym and polyseme in terms.At the same time, the Ontology-based retrieval recommended function is realized.
俞小怡, 刘旭, 裘江南, 董锦霞. 基于菱形思维的概念检索关键词扩展方法研究[J]. 现代图书情报技术, 2012, 28(6): 29-35.
Yu Xiaoyi, Liu Xu, Qiu Jiangnan, Dong Jinxia. The Research on Concept Retrieval Model Based on Rhombus-thinking Process. New Technology of Library and Information Service, 2012, 28(6): 29-35.
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