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» Location-dependent query processing: Where we are and where ...
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EDBT
2004
ACM
126views Database» more  EDBT 2004»
14 years 7 months ago
Spatial Queries in the Presence of Obstacles
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
Jun Zhang, Dimitris Papadias, Kyriakos Mouratidis,...
ICDE
2007
IEEE
218views Database» more  ICDE 2007»
14 years 9 months ago
SKYPEER: Efficient Subspace Skyline Computation over Distributed Data
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotid...
ICEIS
2009
IEEE
14 years 2 months ago
Creation and Maintenance of Query Expansion Rules
In an information retrieval system, a thesaurus can be used for query expansion, i.e. adding words to queries in order to improve recall. We propose a semi-automatic and interactiv...
Stefania Castellani, Aaron N. Kaplan, Fréd&...
GIS
2002
ACM
13 years 7 months ago
Web architectures for scalable moving object servers
The paper describes how the Web can be used as a support for intensive querying and display of large moving objects databases. We present first an architecture for a system which ...
Cédric du Mouza, Philippe Rigaux
CIT
2006
Springer
13 years 11 months ago
Intelligent Query Tree (IQT) Protocol to Improve RFID Tag Read Efficiency
Radio Frequency Identification (RFID) is slated to become a standard for tagging various products. As more and more products become RFID enabled, fast tag identification mechanism...
Naval Bhandari, Anirudha Sahoo, Sridhar Iyer