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» On the Computation of Approximations of Database Queries
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SIGMOD
2003
ACM
162views Database» more  SIGMOD 2003»
16 years 6 months ago
DBGlobe: a service-oriented P2P system for global computing
The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a superdatabase. Our ...
Evaggelia Pitoura, Serge Abiteboul, Dieter Pfoser,...
PVLDB
2010
174views more  PVLDB 2010»
15 years 4 months ago
x-RDF-3X: Fast Querying, High Update Rates, and Consistency for RDF Databases
The RDF data model is gaining importance for applications in computational biology, knowledge sharing, and social communities. Recent work on RDF engines has focused on scalable p...
Thomas Neumann, Gerhard Weikum
CORR
2002
Springer
187views Education» more  CORR 2002»
15 years 6 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
SSDBM
2011
IEEE
239views Database» more  SSDBM 2011»
14 years 10 months ago
Recipes for Baking Black Forest Databases - Building and Querying Black Hole Merger Trees from Cosmological Simulations
Large-scale N-body simulations play an important role in advancing our understanding of the formation and evolution of large structures in the universe. These computations require ...
Julio López, Colin Degraf, Tiziana DiMatteo...
SDMW
2009
Springer
16 years 28 days ago
Controlling Access to XML Documents over XML Native and Relational Databases
In this paper we investigate the feasibility and efficiency of mapping XML data and access control policies onto relational and native XML databases for storage and querying. We de...
Lazaros Koromilas, George Chinis, Irini Fundulaki,...