491 search results - page 74 / 99 » Optimizing complex queries with multiple relation instances |
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
The goal of data fusion is to combine several representations of one real world object into a single, consistent representation, e.g., in data integration. A very popular operator...
AIPS
2007
13 years 10 months ago
2007
The Manpower Allocation Problem with Time Windows, Job-Teaming Constraints and a limited number of teams (mMAPTWTC) is a crew scheduling problem faced in several different context...
BTW
2009
Springer
14 years 6 days ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
LION
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. The rapid evolution of real-time multimedia applications requires Quality of Service (QoS) based multicast routing in underlying computer networks. The constrained Steine...
SIGMOD
1998
ACM
13 years 11 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...