109 search results - page 19 / 22 » Optimization Using Tuple Subsumption |
JMM2
2007
13 years 7 months ago
2007
— A novel face recognition method is proposed, in which face images are represented by a set of local labeled graphs, each containing information about the appearance and geometr...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
GECCO
2006
Springer
13 years 11 months ago
2006
Springer
Wire routing in a VLSI chip often requires minimization of wire-length as well as the number of intersections among multiple nets. Such an optimization problem is computationally ...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...