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CALCO
2009
Springer
172views Mathematics» more  CALCO 2009»
16 years 1 months ago
Coalgebraic Components in a Many-Sorted Microcosm
The microcosm principle, advocated by Baez and Dolan and formalized for Lawvere theories lately by three of the authors, has been applied to coalgebras in order to describe composi...
Ichiro Hasuo, Chris Heunen, Bart Jacobs, Ana Sokol...
IROS
2007
IEEE
205views Robotics» more  IROS 2007»
16 years 1 months ago
Kinematic and dynamic control of a wheeled mobile robot
— This paper considers the problem of stabilizing a unicycle-type mobile robot using a time-invariant, discontinuous control law. In order to simplify the control design, most pr...
David DeVon, Timothy Bretl
TPHOL
2007
IEEE
16 years 1 months ago
Proof Pearl: De Bruijn Terms Really Do Work
Placing our result in a web of related mechanised results, we give a direct proof that the de Bruijn λ-calculus (`a la Huet, Nipkow and Shankar) is isomorphic to an α-quotiented ...
Michael Norrish, René Vestergaard
ESWS
2007
Springer
16 years 1 months ago
Measuring Inconsistencies in Ontologies
Abstract. In this paper, we propose a novel approach to measure inconsistencies in ontologies based on Shapley values, which are originally proposed for game theory. This measure c...
Xi Deng, Volker Haarslev, Nematollaah Shiri
GECCO
2007
Springer
124views Optimization» more  GECCO 2007»
16 years 1 months ago
Origin of bursts
The phenomenon of particle bursts, a well-known feature of PSO is investigated. Their origin is concluded to lie in multiplicative stochasticity, previously encountered in the stu...
Tim Blackwell, Daniel Bratton