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ICDE
2006
IEEE
186views Database» more  ICDE 2006»
16 years 8 months ago
Energy-Efficient Continuous Isoline Queries in Sensor Networks
Environmental monitoring is a promising application for sensor networks. Many scenarios produce geographically correlated readings, making them visually interesting and good targe...
Adam Silberstein, Jun Yang 0001, Rebecca Braynard
ICDE
2005
IEEE
128views Database» more  ICDE 2005»
16 years 8 months ago
Exploiting Correlated Attributes in Acquisitional Query Processing
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
Amol Deshpande, Carlos Guestrin, Wei Hong, Samuel ...
ICDE
2005
IEEE
86views Database» more  ICDE 2005»
16 years 8 months ago
Proactive Caching for Spatial Queries in Mobile Environments
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...
Haibo Hu, Jianliang Xu, Wing Sing Wong, Baihua Zhe...
ICDE
2004
IEEE
88views Database» more  ICDE 2004»
16 years 8 months ago
Group Nearest Neighbor Queries
Given two sets of points P and Q, a group nearest neighbor (GNN) query retrieves the point(s) of P with the smallest sum of distances to all points in Q. Consider, for instance, t...
Dimitris Papadias, Qiongmao Shen, Yufei Tao, Kyria...
ICDE
2001
IEEE
141views Database» more  ICDE 2001»
16 years 8 months ago
Processing Queries with Expensive Functions and Large Objects in Distributed Mediator Systems
LeSelect is a mediator system which allows scientists to publish their resources (data and programs) so they can be transparently accessed. The scientists can typically issue quer...
Fabio Porto, Françoise Fabret, Luc Bouganim...