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193
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MOBISYS
2007
ACM
16 years 6 months ago
2007
ACM
We describe a complete hardware/software system, dubbed Universal Real-Time Navigational Assistance (URNA), which enables communication of relevant location-aware information to a...
174
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MOBIHOC
2008
ACM
16 years 6 months ago
2008
ACM
Local monitoring is an effective mechanism for the security of wireless sensor networks (WSNs). Existing schemes assume the existence of sufficient number of active nodes to carry...
177
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ICS
2010
Tsinghua U.
16 years 4 months ago
2010
Tsinghua U.
: We initiate the study of local, sublinear time algorithms for finding vertices with extreme topological properties -- such as high degree or clustering coefficient -- in large so...
196
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MOBIHOC
2009
ACM
16 years 1 months ago
2009
ACM
Low-connectivity and full-coverage three dimensional Wireless Sensor Networks (WSNs) have many real-world applications. By low connectivity, we mean there are at least k disjoint ...
188
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ICDCSW
2009
IEEE
16 years 1 months ago
2009
IEEE
Broadcast of information in wireless sensor networks is an important operation, e.g., for code updates, queries, membership information, etc. In this paper, we analyze and experim...