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Research of a Semantic-based Approach to Component Retrieval

Author: ZhaoChaoYang
Tutor: QinPengTao
School: Nanchang University
Course: Computer Software and Theory
Keywords: Software reuse Component Retrieval Ontology
CLC: TP391.3
Type: Master's thesis
Year: 2009
Downloads: 35
Quote: 2
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Abstract


Software reuse is the software industry at home and abroad in recent years, one of the hot , it can significantly improve software quality and productivity, reduce the cost of software development and maintenance . But how to retrieve the user needs software component software reuse is a key technology . Component description and retrieval of existing technical requirements of its matching process completely consistent, rigid consistency . Did not consider a meaning in the case of multiple words to express . Express the same meaning as long as the two words are inconsistent, then that does not match. Has great mechanical . Most did not consider the semantic description capabilities, its recall and precision rates are often not satisfactory , you can not achieve a good software reuse purposes. In response to these problems , this paper introduces the body to compensate for existing members semantic description and retrieval of semantic missing issues. The main contents of this paper are the following aspects : 1. Research ontology modeling method is proposed to build the use of thesaurus ontology model , thesauri generally include relatively intact terminology ( thesaurus ) , these terms ( thesaurus ) can be oriented domain ontology concepts created to provide guidance. In addition, the limit thesaurus synonyms , meaning comments, hierarchical relationships , the relationship between the word for the domain ontology properties , instances , and relationships are created to provide guidance. (2) natural language interpretation , and in this instance the use of the semantic ontology library . First natural language user query requirements divided and converted into a number of semantic code , and then the semantic database and instance matching code , if the match is successful, you can convert the natural language description of the cost of body semantic description . 3 describes the semantic query expansion , domain ontology contains the complete conceptual information and extensive contact between concepts in this article on the use of semantic extensions to the information and draw some common logical inference rules semantic expansion , mining implicit description information . More complete description of the user requirements . 4 members : through functional attributes from the member , non-functional attributes, operations target three requirements , the use of ontology-based semantic retrieval mechanism of the component library component to retrieve matching, these elaborate article in Chapter .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Retrieval machine
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