Sciweavers

9 search results - page 1 / 2
» Efficient Evaluation of Imprecise Location-Dependent Queries
Sort
View
ICDE
2007
IEEE
158views Database» more  ICDE 2007»
14 years 6 months ago
Efficient Evaluation of Imprecise Location-Dependent Queries
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...
Jinchuan Chen, Reynold Cheng
ADBIS
2010
Springer
174views Database» more  ADBIS 2010»
13 years 6 months ago
Exploiting the Semantics of Location Granules in Location-Dependent Queries
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...
Carlos Bobed, Sergio Ilarri, Eduardo Mena
ICDE
2003
IEEE
157views Database» more  ICDE 2003»
14 years 6 months ago
Energy Efficient Index for Querying Location-Dependent Data in Mobile Broadcast Environments
We are witnessing in recent years growing interest for location-dependent information services among mobile users. This paper examines the issue of processing locationdependent qu...
Jianliang Xu, Baihua Zheng, Wang-Chien Lee, Dik Lu...
SIGMOD
2003
ACM
145views Database» more  SIGMOD 2003»
14 years 4 months ago
Evaluating Probabilistic Queries over Imprecise Data
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
Reynold Cheng, Dmitri V. Kalashnikov, Sunil Prabha...
ICDE
2007
IEEE
134views Database» more  ICDE 2007»
14 years 6 months ago
Efficient Top-k Query Evaluation on Probabilistic Data
Modern enterprise applications are forced to deal with unreliable, inconsistent and imprecise information. Probabilistic databases can model such data naturally, but SQL query eva...
Christopher Re, Nilesh N. Dalvi, Dan Suciu