13822 search results - page 2423 / 2765 » Models in Knowledge Management |
185
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SIGIR
2011
ACM
14 years 9 months ago
2011
ACM
We study a novel problem of social context summarization for Web documents. Traditional summarization research has focused on extracting informative sentences from standard docume...
213
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MOBIHOC
2007
ACM
16 years 6 months ago
2007
ACM
A prerequisite for secure communications between two sensor nodes is that these nodes exclusively share a pairwise key. Although numerous pairwise key establishment (PKE) schemes ...
300
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GIS
2004
ACM
16 years 7 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
272
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
Recent research literature on sensor network databases has focused on finding ways to perform in-network aggregation of sensor readings to reduce the message cost. However, with t...
192
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...