766 search results - page 18 / 154 » Commuting aggregation operators |
APN
2003
Springer
14 years 23 days ago
2003
Springer
Abstract. We show how the firing rule of Petri nets relies on a residuation operation for the commutative monoid of natural numbers. On that basis we introduce closed monoidal str...
APPML
2010
13 years 7 months ago
2010
In this paper, we determine the critical time, when a weak discontinuity in the shallow water equations culminates into a bore. Invariance group properties of the governing system...
ENGL
2008
13 years 7 months ago
2008
-- The considered converter-fed permanent magnet motor could alternatively be operated in two basically different states - the vector control mode or alternatively the brushless dc...
EDBT
1992
ACM
13 years 11 months ago
1992
ACM
A general technique for merging database schemas is developed that has a number of advantages over existing techniques, the most important of which is that schemas are placed in a...
IS
2008
13 years 7 months ago
2008
In spatial networks, clustering adjacent data to disk pages is highly likely to reduce the number of disk page accesses made by the aggregate network operations during query proce...