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» A Query System in a Biological Database
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GIS
2002
ACM
15 years 3 months ago
Spatio-temporal evolution: querying patterns of change in databases
This paper contributes a general approach to characterizing patterns of change in a spatio-temporal database. While there is a particular interest in modelling and querying how sp...
Nassima Djafri, Alvaro A. A. Fernandes, Norman W. ...
TKDE
1998
117views more  TKDE 1998»
15 years 3 months ago
Data Resource Selection in Distributed Visual Information Systems
With the increasing number of geographical image databases on the Internet, it is a very important issue to know about the most relevant image databases for given user queries, in...
Wendy Chang, Gholamhosein Sheikholeslami, Jia Wang...
ICDE
2006
IEEE
155views Database» more  ICDE 2006»
16 years 5 months ago
Answering Imprecise Queries over Autonomous Web Databases
Current approaches for answering queries with imprecise constraints require user-specific distance metrics and importance measures for attributes of interest - metrics that are ha...
Ullas Nambiar, Subbarao Kambhampati
COOPIS
2004
IEEE
15 years 7 months ago
Refresco: Improving Query Performance Through Freshness Control in a Database Cluster
Abstract. We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirement...
Cécile Le Pape, Stéphane Ganç...
CISIS
2010
IEEE
15 years 9 months ago
A Parallel Programming Framework for Multi-core DNA Sequence Alignment
—A new parallel programming framework for DNA sequence alignment in homogeneous multi-core processor architectures is proposed. Contrasting with traditional coarse-grained parall...
Tiago Jose Barreiros Martins de Almeida, Nuno Fili...