528 search results - page 75 / 106 » Some problems of directional sensor networks |
123
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GLOBECOM
2007
IEEE
15 years 10 months ago
2007
IEEE
—Location information should be verifiable in order to support new computing and information services. In this paper, we adapt the classical challenge-response method for authen...
168
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ICDE
2006
IEEE
15 years 10 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
138
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PERCOM
2004
ACM
16 years 4 months ago
2004
ACM
Networks of small devices, such as environmental sensors, introduce a number of new challenges for traditional protocols and approaches. In particular, the extreme resource constr...
167
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SASN
2003
ACM
15 years 9 months ago
2003
ACM
Mobile ad hoc networking (MANET) has become an exciting and important technology in recent years because of the rapid proliferation of wireless devices. MANETs are highly vulnerab...
141
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MM
2005
ACM
15 years 10 months ago
2005
ACM
Querying live media streams is a challenging problem that is becoming an essential requirement in a growing number of applications. Research in multimedia information systems has ...