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196
Voted
SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
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...
171
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IS
2011
14 years 10 months ago
2011
In order to process continuous queries over Wireless Sensor Networks (WSNs), sensors are typically organized in a Query Routing Tree (denoted as T) that provides each sensor with ...
115
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SIGIR
2005
ACM
15 years 9 months ago
2005
ACM
Previous research into the efficiency of text retrieval systems has dealt primarily with methods that consider inverted lists in sequence; these methods are known as term-at-a-tim...
146
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ICDCS
2002
IEEE
15 years 8 months ago
2002
IEEE
Recent technology advances have enabled mediated query processing with Internet accessible WebSources. A characteristic of WebSources is that their access costs exhibit transient ...