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171
Voted
AMW
2010
15 years 8 months ago
2010
Traditional optimizers fail to pick good execution plans, when faced with increasingly complex queries and large data sets. This failure is even more acute in the context of XQuery...
204
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GEOINFO
2003
15 years 8 months ago
2003
A new topic of great relevance and concern has been the design of efficient early warning systems to detect as soon as possible the emergence of spatial clusters. In particular, m...
206
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TREC
2001
15 years 8 months ago
2001
PiQASso is a Question Answering system based on a combination of modern IR techniques and a series of semantic filters for selecting paragraphs containing a justifiable answer. Se...
207
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JCM
2008
15 years 6 months ago
2008
In wireless ad hoc networks, all its nodes behave as routers and take part in its discovery and maintenance of routes to other nodes. Thus, the presence of selfish or malicious nod...
166
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TSP
2008
15 years 6 months ago
2008
A new blind subspace-based channel estimation technique is proposed for direct-sequence code-division multiple access (DS-CDMA) systems operating in the presence of unknown wide-se...