297 search results - page 41 / 60 » An Algebra for Directed Bigraphs |
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
ECCC
2008
13 years 7 months ago
2008
Any proof of P = NP will have to overcome two barriers: relativization and natural proofs. Yet over the last decade, we have seen circuit lower bounds (for example, that PP does n...
CORR
2006
Springer
13 years 7 months ago
2006
Springer
: This document gives an algebraic and two polygraphic translations of Petri nets, all three providing an easier way to describe reductions and to identify some of them. The first ...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
We propose a block-based transform optimization and associated image compression technique that exploits regularity along directional image singularities. Unlike established work,...
SIGSOFT
2006
ACM
14 years 8 months ago
2006
ACM
Atomicity is a desirable property for business processes to conduct transactions in Business-to-Business (B2B) collaboration. Although it is possible to reason about atomicity of ...