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» Managing long-running queries
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ICDE
2008
IEEE
182views Database» more  ICDE 2008»
15 years 11 months ago
SpaceTwist: Managing the Trade-Offs Among Location Privacy, Query Performance, and Query Accuracy in Mobile Services
In a mobile service scenario, users query a server for nearby points of interest but they may not want to disclose their locations to the service. Intuitively, location privacy may...
Man Lung Yiu, Christian S. Jensen, Xuegang Huang, ...
CIDR
2003
163views Algorithms» more  CIDR 2003»
14 years 11 months ago
Query Processing, Approximation, and Resource Management in a Data Stream Management System
This paper describes our ongoing work developing the Stanford Stream Data Manager (STREAM), a system for executing continuous queries over multiple continuous data streams. The ST...
Rajeev Motwani, Jennifer Widom, Arvind Arasu, Bria...
INTERNET
2008
144views more  INTERNET 2008»
14 years 10 months ago
Time-Stamp Management and Query Execution in Data Stream Management Systems
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
VISUAL
1999
Springer
15 years 2 months ago
Query Processing and Optimization for Pictorial Query Trees
Abstract. Methods for processing of pictorial queries speci ed by pictorial query trees are presented. Leaves of a pictorial query tree correspond to individual pictorial queries w...
Aya Soffer, Hanan Samet
168
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SIGMOD
2005
ACM
228views Database» more  SIGMOD 2005»
15 years 10 months ago
ConQuer: Efficient Management of Inconsistent Databases
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
Ariel Fuxman, Elham Fazli, Renée J. Miller