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110
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DIALM
2007
ACM
15 years 4 months ago
2007
ACM
We consider the following channel assignment problem in multiradio multi-channel wireless networks: Given a wireless network where k orthogonal channels are available and each nod...
106
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CIS
2008
Springer
15 years 2 months ago
2008
Springer
Delivering continuous services in information infrastructures is a major challenge. For system or network administrators, redundancy allocation is one of the best strategies to en...
122
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CPAIOR
2011
Springer
14 years 3 months ago
2011
Springer
Abstract. We study the application of limited-width MDDs (multivalued decision diagrams) as discrete relaxations for combinatorial optimization problems. These relaxations are used...
109
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GLOBECOM
2010
IEEE
14 years 10 months ago
2010
IEEE
This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using orthogonal frequency-division mult...
120
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DLOG
2011
14 years 3 months ago
2011
We present an optimized query rewriting algorithm for OWL 2 QL that computes the rewriting set of a user query by avoiding unnecessary inferences and extended clause subsumption ch...