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FQAS
2006
Springer
94views Database» more  FQAS 2006»
15 years 10 months ago
Term Disambiguation in Natural Language Query for XML
Converting a natural language query sentence into a formal database query is a major challenge. We have constructed NaLIX, a natural language interface for querying XML data. Throu...
Yunyao Li, Huahai Yang, H. V. Jagadish
AMW
2010
15 years 7 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
CORR
1999
Springer
67views Education» more  CORR 1999»
15 years 6 months ago
ZBroker: A Query Routing Broker for Z39.50 Databases
A query routing broker is a software agent that determines from a large set of accessing information sources the ones most relevant to a user's information need. As the numbe...
Yong Lin, Jian Xu, Ee-Peng Lim, Wee Keong Ng
ICCS
2009
Springer
16 years 26 days ago
Distinguishing Answers in Conceptual Graph Knowledge Bases
Abstract. In knowledge bases, the open world assumption and the ability to express variables may lead to an answer redundancy problem. This problem occurs when the returned answers...
Nicolas Moreau, Michel Leclère, Madalina Cr...
AAAI
2006
15 years 7 months ago
Large Scale Knowledge Base Systems: An Empirical Evaluation Perspective
In this paper, we discuss how our work on evaluating Semantic Web knowledge base systems (KBSs) contributes to address some broader AI problems. First, we show how our approach pr...
Yuanbo Guo, Abir Qasem, Jeff Heflin