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» Integrity Constraints in OWL
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137
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JAPLL
2010
179views more  JAPLL 2010»
14 years 11 months ago
Tractable query answering and rewriting under description logic constraints
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
Héctor Pérez-Urbina, Boris Motik, Ia...
127
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MOZ
2004
Springer
15 years 6 months ago
Implementing Semiring-Based Constraints Using Mozart
Abstract. Although Constraint Programming (CP) is considered a useful tool for tackling combinatorial problems, its lack of flexibility when dealing with uncertainties and prefere...
Alberto Delgado, Carlos Alberto Olarte, Jorge Andr...
CP
2003
Springer
15 years 6 months ago
Solving Finite Domain Constraint Hierarchies by Local Consistency and Tree Search
We provide a reformulation of the constraint hierarchies (CHs) framework based on the notion of error indicators. Adapting the generalized view of local consistency in semiring-ba...
Stefano Bistarelli, Philippe Codognet, Kin Chuen H...
115
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PVLDB
2008
201views more  PVLDB 2008»
15 years 9 days ago
Ed-Join: an efficient algorithm for similarity joins with edit distance constraints
There has been considerable interest in similarity join in the research community recently. Similarity join is a fundamental operation in many application areas, such as data inte...
Chuan Xiao, Wei Wang 0011, Xuemin Lin
207
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ICDE
1997
IEEE
92views Database» more  ICDE 1997»
16 years 2 months ago
Distributing Semantic Constraints Between Heterogeneous Databases
In recent years, research about distributing databases over networks has become increasingly important. Here we concentrate on the issues of interoperability of heterogeneous DBMS...
Stefan Grufman, Fredrik Samson, Suzanne M. Embury,...