279 search results - page 38 / 56 » Towards Adaptive Costing of Database Access Methods |
MVA
2000
13 years 8 months ago
2000
Content-based image retrieval is a fairly new discipline. Yet research in this field has highlighted many approaches that show good performance in specific subproblems using singl...
IPSN
2004
Springer
14 years 23 days ago
2004
Springer
Recent advances in technology have made low cost, low power wireless sensors a reality. Clock synchronization is an important service in any distributed system, including sensor n...
IWCMC
2009
ACM
14 years 1 months ago
2009
ACM
The IEEE 802.16/WiMAX standards has fully embraced multi-antenna technology and can, thus, deliver robust performance and high transmission rates. Nevertheless, due to its inheren...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
SSD
2005
Springer
14 years 26 days ago
2005
Springer
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...