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Title:
a new matchmaking approach based on abductive conjunctive query answering
Author: Du Jianfeng ; Wang Shuai ; Qi Guilin ; Pan Jeff Z. ; Hu Yong
Source: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Conference Name: Joint International Semantic Technology Conference, JIST 2011
Conference Date: December 4, 2011 - December 7, 2011
Issued Date: 2012
Conference Place: Hangzhou, China
Keyword: Data description ; Formal languages ; Logic programming ; Query processing ; Semantic Web
Indexed Type: EI
ISSN: 0302-9743
ISBN: 9783642299223
Department: (1) Guangdong University of Foreign Studies Guangzhou 510006 China; (2) State Key Laboratory of Computer Science Institute of Software Chinese Academy of Sciences Beijing 100190 China; (3) Southeast University Nanjing 211189 China; (4) University of Aberdeen Aberdeen AB243UE United Kingdom
Abstract: To perform matchmaking in Web-based scenarios where data are often incomplete, we propose an extended conjunctive query answering (CQA) problem, called abductive CQA problem, in Description Logic ontologies. Given a consistent ontology and a conjunctive query, the abductive CQA problem computes all abductive answers to the query in the ontology. An abductive answer is an answer to the query in some consistent ontology enlarged from the given one by adding a bounded number of individual assertions, where the individual assertions that can be added are confined by user-specified concept or role names. We also propose a new approach to matchmaking based on the abductive CQA semantics, in which offer information is expressed as individual assertions, request information is expressed as conjunctive queries, and matches for a request are defined as abductive answers to a conjunctive query that expresses the request. We propose a sound and complete method for computing all abductive answers to a conjunctive query in an ontology expressed in the Description Logic Program fragment of OWL 2 DL with the Unique Name Assumption. The feasibility of this method is demonstrated by a real-life application, rental matchmaking, which handles requests for renting houses. © 2012 Springer-Verlag.
English Abstract: To perform matchmaking in Web-based scenarios where data are often incomplete, we propose an extended conjunctive query answering (CQA) problem, called abductive CQA problem, in Description Logic ontologies. Given a consistent ontology and a conjunctive query, the abductive CQA problem computes all abductive answers to the query in the ontology. An abductive answer is an answer to the query in some consistent ontology enlarged from the given one by adding a bounded number of individual assertions, where the individual assertions that can be added are confined by user-specified concept or role names. We also propose a new approach to matchmaking based on the abductive CQA semantics, in which offer information is expressed as individual assertions, request information is expressed as conjunctive queries, and matches for a request are defined as abductive answers to a conjunctive query that expresses the request. We propose a sound and complete method for computing all abductive answers to a conjunctive query in an ontology expressed in the Description Logic Program fragment of OWL 2 DL with the Unique Name Assumption. The feasibility of this method is demonstrated by a real-life application, rental matchmaking, which handles requests for renting houses. © 2012 Springer-Verlag.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/15684
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Du Jianfeng,Wang Shuai,Qi Guilin,et al. a new matchmaking approach based on abductive conjunctive query answering[C]. 见:Joint International Semantic Technology Conference, JIST 2011. Hangzhou, China. December 4, 2011 - December 7, 2011.
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