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» Query Processing Using Ontologies
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116
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IJSWIS
2008
135views more  IJSWIS 2008»
15 years 2 months ago
Efficient Processing of RDF Queries with Nested Optional Graph Patterns in an RDBMS
Relational technology has shown to be very useful for scalable Semantic Web data management. Numerous researchers have proposed to use RDBMSs to store and query voluminous RDF dat...
Artem Chebotko, Shiyong Lu, Mustafa Atay, Farshad ...
SEKE
2007
Springer
15 years 8 months ago
Query Processing in Paraconsistent Databases in the Presence of Integrity Constraints
In this paper, we present an approach to query processing for paraconsistent databases in the presence of integrity constraints. Paraconsistent databases are capable of representi...
Navin Viswanath, Rajshekhar Sunderraman
116
Voted
PVLDB
2010
98views more  PVLDB 2010»
15 years 1 months ago
On-the-Fly Entity-Aware Query Processing in the Presence of Linkage
Entity linkage is central to almost every data integration and data cleaning scenario. Traditional techniques use some computed similarity among data structure to perform merges a...
Ekaterini Ioannou, Wolfgang Nejdl, Claudia Nieder&...
97
Voted
SEMWEB
2010
Springer
15 years 15 days ago
Completeness Guarantees for Incomplete Reasoners
Abstract. We extend our recent work on evaluating incomplete reasoners by introducing strict testing bases. We show how they can be used in practice to identify ontologies and quer...
Giorgos Stoilos, Bernardo Cuenca Grau, Ian Horrock...
94
Voted
SIGIR
2002
ACM
15 years 2 months ago
Using part-of-speech patterns to reduce query ambiguity
Query ambiguity is a generally recognized problem, particularly in Web environments where queries are commonly only one or two words in length. In this study, we explore one techn...
James Allan, Hema Raghavan