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ADBIS
2004
Springer
224views Database» more  ADBIS 2004»
16 years 3 days ago
Using Ontologies for Database Query Reformulation
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
Chokri Ben Necib, Johann Christoph Freytag
ADC
2004
Springer
105views Database» more  ADC 2004»
16 years 3 days ago
Do Clarity Scores for Queries Correlate with User Performance?
Recently the concept of a clarity score was introduced in order to measure the ambiguity of a query in relation to the collection in which the query issuer is seeking information ...
Andrew Turpin, William R. Hersh
ADHOCNOW
2004
Springer
16 years 3 days ago
Approximating the Minimum Number of Maximum Power Users in Ad Hoc Networks
Topology control is the problem of assigning transmission power values to the nodes of an ad hoc network so that the induced graph satisfies some specified property. The most fun...
Errol L. Lloyd, Rui Liu, S. S. Ravi
ADHOCNOW
2004
Springer
16 years 3 days ago
A Rate-Adaptive MAC Protocol for Low-Power Ultra-Wide Band Ad-Hoc Networks
Recent theoretical results show that it is optimal to allow interfering sources to transmit simultaneously as long as they are outside a well-defined exclusion region around a de...
Ruben Merz, Jean-Yves Le Boudec, Jörg Widmer,...
ADHOCNOW
2004
Springer
16 years 3 days ago
Weathering the Storm: Managing Redundancy and Security in Ad Hoc Networks
Many ad hoc routing algorithms rely on broadcast flooding for location discovery or more generally for secure routing applications, particularly when dealing with Byzantine threat...
Mike Burmester, Tri Van Le, Alec Yasinsac
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