110 search results - page 21 / 22 » Maintaining Data Cubes under Dimension Updates |
ICIP
2003
IEEE
14 years 7 months ago
2003
IEEE
Robust real-time tracking of non-rigid objects in a dynamic environment is a challenging task. Among various cues in tracking, color can provide an efficient visual cue for this t...
IFIP
2001
Springer
13 years 9 months ago
2001
Springer
Effective security management depends upon good risk management, which is itself based upon a reliable risk assessment, involving data collection of all the facets influencing sys...
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
VLDB
1998
ACM
13 years 9 months ago
1998
ACM
The problem of finding an optimal bipartition of a rectangle set has a direct impact on query performance of dynamic R-trees. During update operations, overflowed nodes need to be...
VLDB
2005
ACM
14 years 5 months ago
2005
ACM
Abstract. In this paper we present new concurrent and recoverable B-link-tree algorithms. Unlike previous algorithms, ours maintain the balance of the B-link tree at all times, so ...