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2012 (Vol. 4, Issue: 16)
Article Information:

Query Expansion Approach Based on Ontology and Local Context Analysis

Jing Wan, WenCong Wang, JunKai Yi, Chong Chu and Kang Song
Corresponding Author:  Jing Wan 

Key words:  Local context analysis, ontology, query expansion, relevance calculation, , ,
Vol. 4 , (16): 2839-2843
Submitted Accepted Published
March 31, 2012 April 23, 2012 August 15, 2012
Abstract:

In information query process, query expansion can effectively resolve the problem related to low query efficiency caused by ambiguous short query terms. This study proposes a query expansion approach based on ontology and local context analysis. Ontology-based query expansion enables the addition of standardized descriptive information for search query, while local context analysis, through document library analysis, offers more relevant information for inquiry. We combine advantages of the two methods to expand the keywords semantically. Experimental analysis indicates that our method can effectively improve the search recall and precision.
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  Cite this Reference:
Jing Wan, WenCong Wang, JunKai Yi, Chong Chu and Kang Song, 2012. Query Expansion Approach Based on Ontology and Local Context Analysis.  Research Journal of Applied Sciences, Engineering and Technology, 4(16): 2839-2843.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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