SEMANTIC SEARCH SYSTEM USING SEMANTIC RANKING SCHEME온톨로지를 기반으로 한 정확한 시맨틱 검색 기법

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A semantic search system using a semantic ranking scheme including: an ontology analyzer analyzing ontology data related to a search target to determine a weight value of each property according to a weighing method for property; a semantic path extractor extracting all the semantic paths between resources and query keywords and determining a weight value of each extracted semantic path according to the semantic path weight value determination scheme by using the weight value of each property; a relevant resource searcher traversing an instance graph of ontology based on a semantic path having a pre-set length and weight value of more than an expectation level to search resources that have a semantic relationship with the query keywords and are declared as a type presented in the query; and a semantic relevance ranker selecting a top-k results having the highest rank from among the candidate results extracted by the relevant resource researcher by using a relevance scoring function.
Assignee
KAIST
Country
US (United States)
Issue Date
2013-03-19
Application Date
2010-02-12
Application Number
12705147
Registration Date
2013-03-19
Registration Number
8,402,018
URI
http://hdl.handle.net/10203/234345
Appears in Collection
CS-Patent(특허)
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