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243
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ICDE
2007
IEEE
126views Database» more  ICDE 2007»
16 years 6 months ago
Location-based Spatial Queries with Data Sharing in Wireless Broadcast Environments
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with th...
Wei-Shinn Ku, Roger Zimmermann, Haixun Wang
ICDE
2007
IEEE
113views Database» more  ICDE 2007»
16 years 6 months ago
Reducing Order Enforcement Cost in Complex Query Plans
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
Ravindra Guravannavar, S. Sudarshan
ICDE
2007
IEEE
111views Database» more  ICDE 2007»
16 years 6 months ago
Scoop: An Adaptive Indexing Scheme for Stored Data in Sensor Networks
We present the design of Scoop, a system for indexing and querying stored data in sensor networks. Scoop works by collecting statistics about the rate of queries and distribution ...
Thomer M. Gil, Samuel Madden
ICDE
2007
IEEE
205views Database» more  ICDE 2007»
16 years 6 months ago
Multi-source Skyline Query Processing in Road Networks
Skyline query processing has been investigated extensively in recent years, mostly for only one query reference point. An example of a single-source skyline query is to find hotel...
Ke Deng, Xiaofang Zhou, Heng Tao Shen