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» Instance-Based Query Answering with Semantic Knowledge Bases
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ACSC
2006
IEEE
14 years 1 months ago
A semantic approach to boost passage retrieval effectiveness for question answering
In the current state of the rapid growth of information resources and the huge number of requests submitted by users to existing information retrieval systems; recently, Question ...
Bahadorreza Ofoghi, John Yearwood, Ranadhir Ghosh
OWLED
2007
13 years 9 months ago
ONTOSEARCH2: Searching Ontologies Semantically
While the Web makes an increasing number of ontologies widely available for applications, how to discover ontologies becomes a more challenging issue. Existing approaches are mainl...
Edward Thomas, Jeff Z. Pan, Derek H. Sleeman
CCIA
2009
Springer
13 years 8 months ago
Anytime Reasoning Mechanism for Conversational Agents
When an agent receives a query from another agent, it tries to satisfy it by building an answer based on its current knowledge. Depending on the available time or the urgency of t...
M. Mariela Morveli-Espinoza, Josep Puyol-Gruart
AMW
2010
13 years 9 months ago
Query Rewriting under Non-Guarded Rules
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
Andrea Calì, Georg Gottlob, Andreas Pieris
SEMWEB
2007
Springer
14 years 1 months ago
A Fuzzy Ontology-Approach to improve Semantic Information Retrieval
This paper shows how a Fuzzy Ontology based approach can improve semantic documents retrieval. After formally defining a Fuzzy Knowledge Base, it is discussed a special type of ne...
Silvia Calegari, Elie Sanchez