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» On the minimization of XPath queries
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SSD
2005
Springer
98views Database» more  SSD 2005»
15 years 7 months ago
Medoid Queries in Large Spatial Databases
Assume that a franchise plans to open k branches in a city, so that the average distance from each residential block to the closest branch is minimized. This is an instance of the ...
Kyriakos Mouratidis, Dimitris Papadias, Spiros Pap...
SSDBM
1999
IEEE
113views Database» more  SSDBM 1999»
15 years 6 months ago
Multidimensional Indexing and Query Coordination for Tertiary Storage Management
In many scientific domains, experimental devices or simulation programs generate large volumes of data. The volumes of data may reach hundreds of terabytes and therefore it is imp...
Arie Shoshani, Luis M. Bernardo, Henrik Nordberg, ...
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TKDE
2008
107views more  TKDE 2008»
15 years 1 months ago
Adaptive Broadcasting for Similarity Queries in Wireless Content Delivery Systems
We present a new adaptive and energy-efficient broadcast model to support flexible responses to client queries. Clients do not have to request documents by name, since they may kno...
Wei Wang, Chinya V. Ravishankar
CORR
2011
Springer
186views Education» more  CORR 2011»
14 years 8 months ago
A Goal-Directed Implementation of Query Answering for Hybrid MKNF Knowledge Bases
Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rules use non...
Ana Sofia Gomes, José Júlio Alferes,...
CORR
2002
Springer
187views Education» more  CORR 2002»
15 years 1 months ago
Answer Sets for Consistent Query Answering in Inconsistent Databases
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki