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145
Voted
SIGMOD
2006
ACM
16 years 24 days ago
2006
ACM
Main memory is a critical resource when processing longrunning queries over data streams with state intensive operators. In this work, we investigate state spill strategies that h...
144
Voted
SAC
2010
ACM
15 years 7 months ago
2010
ACM
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
100
Voted
WSDM
2009
ACM
15 years 7 months ago
2009
ACM
We are experiencing an unprecedented increase of content contributed by users in forums such as blogs, social networking sites and microblogging services. Such abundance of conten...
119
Voted
CIKM
2006
Springer
15 years 4 months ago
2006
Springer
We discuss information retrieval methods that aim at serving a diverse stream of user queries such as those submitted to commercial search engines. We propose methods that emphasi...
136
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MOBICOM
2010
ACM
15 years 26 days ago
2010
ACM
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...