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» Process Querying in Apromore
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SIGMOD
2008
ACM
145views Database» more  SIGMOD 2008»
16 years 7 months ago
Optimizing complex queries with multiple relation instances
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
Yu Cao, Gopal C. Das, Chee Yong Chan, Kian-Lee Tan
SIGIR
2006
ACM
16 years 1 months ago
Distributed query sampling: a quality-conscious approach
We present an adaptive distributed query-sampling framework that is quality-conscious for extracting high-quality text database samples. The framework divides the query-based samp...
James Caverlee, Ling Liu, Joonsoo Bae
ADC
2007
Springer
193views Database» more  ADC 2007»
16 years 1 months ago
Optimizing XPath Queries on Streaming XML Data
XML stream processing has recently become popular for many applications such as selective dissemination of information. Several approaches have been proposed and most of them are ...
Keerati Jittrawong, Raymond K. Wong
DEXAW
2008
IEEE
120views Database» more  DEXAW 2008»
16 years 1 months ago
Robust Data Exchange for Unreliable P2P Networks
The aim of this work is to provide a robust way for peers with heterogeneous data sources to exchange information in an unreliable network. We address this problem in two ways. Fi...
Duc Minh Le, Andrew Smith, Peter McBrien
GI
2004
Springer
16 years 18 days ago
Data Management Issues in Disconnected Sensor Networks
Abstract: The possibility of disconnection is one of the fundamental new networking problems presented by sensor networks. The goal of this paper is to address the problem of resul...
Wolfgang Lindner, Samuel Madden