261 search results - page 29 / 53 » On Threshold BDDs and the Optimal Variable Ordering Problem |
VLDB
1987
ACM
13 years 11 months ago
1987
ACM
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
We present an efficient solution to the following problem, of relevance in a numerical optimization scheme: calculation of integrals of the type ZZ T {f0} 12 dx dy for quadratic p...
CDC
2009
IEEE
13 years 8 months ago
2009
IEEE
In this paper, the formation flight of multiple Unmanned Helicopter (UH) systems is researched and a new decentralized receding horizon formation control algorithm is supposed. The...
ECAI
2006
Springer
13 years 11 months ago
2006
Springer
A new search algorithm for solving distributed constraint optimization problems (DisCOPs) is presented. Agents assign variables sequentially and propagate their assignments asynchr...