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COMBINATORICS
2004
127views more  COMBINATORICS 2004»
13 years 7 months ago
On the Associative Nijenhuis Relation
We give the construction of a free commutative unital associative Nijenhuis algebra on a commutative unital associative algebra based on an augmented modified quasi-shuffle produc...
Kurusch Ebrahimi-Fard
IPPS
2008
IEEE
14 years 2 months ago
Build to order linear algebra kernels
—The performance bottleneck for many scientific applications is the cost of memory access inside linear algebra kernels. Tuning such kernels for memory efficiency is a complex ...
Jeremy G. Siek, Ian Karlin, Elizabeth R. Jessup
CONCUR
2009
Springer
14 years 6 days ago
Concurrent Kleene Algebra
Abstract. A concurrent Kleene algebra offers, next to choice and iteration, operators for sequential and concurrent composition, related by an inequational form of the exchange la...
C. A. R. Hoare, Bernhard Möller, Georg Struth...
IJCAI
1989
13 years 8 months ago
Managing Efficiently Temporal Relations Through Indexed Spanning Trees
We are interested here in the design of a very efficient Time-Map Manager, able to deal with a large knowledge-base of several thou­ sand time-tokens in demanding applications su...
Malik Ghallab, A. Mounir Alaoui
JAPLL
2010
98views more  JAPLL 2010»
13 years 6 months ago
On database query languages for K-relations
The relational model has recently been extended to so-called K-relations in which tuples are assigned a unique value in a semiring K. A query language, denoted by RAC K , similar ...
Floris Geerts, Antonella Poggi