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LICS
2009
IEEE
16 years 26 days ago
An Algebra for Kripke Polynomial Coalgebras
Several dynamical systems, such as deterministic automata and labelled transition systems, can be described as coalgebras of so-called Kripke polynomial functors, built up from co...
Marcello M. Bonsangue, Jan J. M. M. Rutten, Alexan...
WADT
2004
Springer
15 years 11 months ago
Theoroidal Maps as Algebraic Simulations
Abstract. Computational systems are often represented by means of Kripke structures, and related using simulations. We propose rewriting logic as a flexible and executable framewo...
Narciso Martí-Oliet, José Meseguer, ...
DAGSTUHL
1996
15 years 7 months ago
Multi-Level Lambda-Calculi: An Algebraic Description
Abstract. Two-level -calculi have been heavily utilised for applications such as partial evaluation, abstract interpretation and code generation. Each of these applications pose di...
Flemming Nielson, Hanne Riis Nielson
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 6 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
ECCV
2006
Springer
16 years 8 months ago
Geometry and Kinematics with Uncertain Data
Abstract. In Computer Vision applications, one usually has to work with uncertain data. It is therefore important to be able to deal with uncertain geometry and uncertain transform...
Christian Perwass, Christian Gebken, Gerald Sommer