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209
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GIS
2003
ACM
16 years 3 months ago
Nearest neighbor queries in road networks
With wireless communications and geo-positioning being widely available, it becomes possible to offer new e-services that provide mobile users with information about other mobile ...
Christian S. Jensen, Jan Kolárvr, Torben Ba...
VLDB
2007
ACM
101views Database» more  VLDB 2007»
16 years 2 months ago
SQLB: A Query Allocation Framework for Autonomous Consumers and Providers
In large-scale distributed information systems, where participants are autonomous and have special interests for some queries, query allocation is a challenge. Much work in this c...
Jorge-Arnulfo Quiané-Ruiz, Patrick Valdurie...
ICDE
2006
IEEE
155views Database» more  ICDE 2006»
16 years 3 months ago
Designing and Evaluating an XPath Dialect for Linguistic Queries
Linguistic research and natural language processing employ large repositories of ordered trees. XML, a standard ordered tree model, and XPath, its associated language, are natural...
Steven Bird, Yi Chen, Susan B. Davidson, Haejoong ...
129
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CIKM
2001
Springer
15 years 7 months ago
Automatic Query Expansion Based on Divergence
In this paper we are mainly concerned with discussion of a formal model, based on the basic concept of divergence from information theory, for automatic query expansion. The basic...
D. Cai, C. J. van Rijsbergen, Joemon M. Jose
PVM
2007
Springer
15 years 8 months ago
(Sync|Async)+ MPI Search Engines
We propose a parallel MPI search engine that is capable of automatically switching between asynchronous message passing and bulk-synchronous message passing modes of operation. Whe...
Mauricio Marín, Veronica Gil Costa