Sciweavers

503 search results - page 2 / 101
» Applying Multiple Query Optimization in Mobile Databases
Sort
View
VLDB
2005
ACM
103views Database» more  VLDB 2005»
13 years 10 months ago
Semantic Query Optimization for XQuery over XML Streams
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
Hong Su, Elke A. Rundensteiner, Murali Mani
ADBIS
1998
Springer
100views Database» more  ADBIS 1998»
13 years 9 months ago
Multiple Range Query Optimization in Spatial Databases
In order to answer efficiently range queries in 2-d R-trees, first we sort queries by means of a space filling curve, then we group them together, and finally pass them for process...
Apostolos Papadopoulos, Yannis Manolopoulos
SIGMOD
2011
ACM
176views Database» more  SIGMOD 2011»
12 years 8 months ago
Sharing work in keyword search over databases
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
Marie Jacob, Zachary G. Ives
ICDE
2007
IEEE
133views Database» more  ICDE 2007»
14 years 6 months ago
Multiple Query Optimization for Wireless Sensor Networks
Shili Xiang, Hock-Beng Lim, Kian-Lee Tan