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108
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JUCS
2010
14 years 11 months ago
2010
: This paper presents an agent-based system for building and operating agent-based context-aware services in public spaces, including museums. The system provides users with agents...
184
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ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
Abstract-- We present PEEX, a system that enables applications to define and extract meaningful probabilistic high-level events from RFID data. PEEX effectively copes with errors i...
CORR
2010
Springer
15 years 1 months ago
2010
Springer
Let H = (V, E) be a hypergraph. A conflict-free coloring of H is an assignment of colors to V such that in each hyperedge e E there is at least one uniquely-colored vertex. This ...
109
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ICCCN
2008
IEEE
15 years 7 months ago
2008
IEEE
Abstract—Energy efficiency is a central challenge in batteryoperated sensor networks. Current energy-efficient mechanisms employ either duty cycling, which reduces idle listeni...
105
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ICNP
2007
IEEE
15 years 7 months ago
2007
IEEE
Abstract—Radio frequency identification (RFID) is a technology where a reader device can “sense” the presence of a closeby object by reading a tag device attached to the obj...