148 search results - page 7 / 30 » Towards a novel networked learning environment |
161
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SIGMOD
2008
ACM
15 years 11 months ago
2008
ACM
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
LCN
2006
IEEE
15 years 5 months ago
2006
IEEE
This paper addresses the issues of designing an infrastructure to support seamless in-building communication at the 60 GHz band. Recently, the 60 GHz band has received much attent...
120
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IJACTAICIT
2010
14 years 9 months ago
2010
In this work, a Modified Vector Field Histogram (MVFH) has been developed to improve path planning and obstacle avoidance for a wheeled driven mobile robot. It permits the detecti...
183
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WD
2010
14 years 6 months ago
2010
Researches about multi-radio mesh networks have mostly focused on channel allocation under internal interference. However, the deployment of WMNs in unlicensed bands of dense urban...
ICMCS
2007
IEEE
15 years 6 months ago
2007
IEEE
Query reformulation has been suggested as an effective way to improve retrieval efficiency in text information retrieval and one of the well-known techniques for query reformulati...