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SIGOPS
2010
105views more  SIGOPS 2010»
13 years 2 months ago
SelfTalk for Dena: query language and runtime support for evaluating system behavior
We introduce SelfTalk, a novel declarative language that allows users to query and understand the status of a large scale system. SelfTalk is sufficiently expressive to encode an ...
Saeed Ghanbari, Gokul Soundararajan, Cristiana Amz...
JCST
2010
155views more  JCST 2010»
13 years 2 months ago
Efficient Location Updates for Continuous Queries over Moving Objects
Abstract The significant overhead related to frequent location updates from moving objects often results in poor performance. As most of the location updates do not affect the quer...
Yu-Ling Hsueh, Roger Zimmermann, Wei-Shinn Ku
ICDE
2002
IEEE
146views Database» more  ICDE 2002»
14 years 9 months ago
Query Estimation by Adaptive Sampling
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
Yi-Leh Wu, Divyakant Agrawal, Amr El Abbadi
WSDM
2012
ACM
207views Data Mining» more  WSDM 2012»
12 years 3 months ago
Sequence clustering and labeling for unsupervised query intent discovery
One popular form of semantic search observed in several modern search engines is to recognize query patterns that trigger instant answers or domain-specific search, producing sem...
Jackie Chi Kit Cheung, Xiao Li
CIKM
2004
Springer
14 years 1 months ago
SWAM: a family of access methods for similarity-search in peer-to-peer data networks
Peer-to-peer Data Networks (PDNs) are large-scale, selforganizing, distributed query processing systems. Familiar examples of PDN are peer-to-peer file-sharing networks, which su...
Farnoush Banaei Kashani, Cyrus Shahabi