1295 search results - page 215 / 259 » Technology Challenges in a Data Warehouse |
ICCCN
2008
IEEE
14 years 3 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...
CLEF
2007
Springer
14 years 2 months ago
2007
Springer
We describe the object retrieval task of ImageCLEF 2007, give an overview of the methods of the participating groups, and present and discuss the results. The task was based on th...
PDP
2006
IEEE
14 years 2 months ago
2006
IEEE
Widespread use of wavelet transforms as in JPEG2000 demands efficient implementations on general purpose computers as well as dedicated hardware. The increasing availability of S...
DATE
2005
IEEE
14 years 2 months ago
2005
IEEE
Fueled by an unprecedented desire for convenience and self-service, consumers are embracing embedded technology solutions that enhance their mobile lifestyles. Consequently, we wi...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
A query independent feature, relating perhaps to document content, linkage or usage, can be transformed into a static, per-document relevance weight for use in ranking. The challe...