4589 search results - page 789 / 918 » A new evaluation measure for information retrieval systems |
ICPP
2009
IEEE
14 years 2 months ago
2009
IEEE
—Wireless sensor networks have become a promising technology in monitoring physical world. In many applications with wireless sensor networks, it is essential to understand how w...
ICDT
2010
ACM
13 years 11 months ago
2010
ACM
Stochastic context-free grammars (SCFGs) have long been recognized as useful for a large variety of tasks including natural language processing, morphological parsing, speech reco...
IDEAS
2008
IEEE
14 years 2 months ago
2008
IEEE
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...
ICPR
2010
IEEE
14 years 3 months ago
2010
IEEE
It is important for drowsiness detection systems to warn the driver before the critical stages of drowsiness arise and thus to provide sufficient intervention time for the driver...
MOBIHOC
2000
ACM
14 years 9 days ago
2000
ACM
— We present an approach to multicasting messages among highly mobile hosts in ad hoc networks. We suggest a new definition of a role-based multicast that suits the special need...