Title: PowerPoint Presentation Last modified by: carla gomes Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles
Beyond NP Other complexity classes Phase transitions in P, PSPACE, Structure Backbones, 2+p-SAT, small world topology, Heuristics Constrainedness knife-edge ...
Constrainedness. Including s from Toby Walsh. Logic & AR Summer School, 2002 ... Constrainedness knife-edge. Seen in other problem domains. number partitioning, ...
Gaschnig PhD thesis 1979 2nd last page My favourite! ... Author: pat Last modified by: pat Created Date: 3/13/2001 12:38:58 PM Document presentation format:
where you might use Dispatcher and/or Scheduler a pragmatic study Encoding VRP as an Open Shop Scheduling ... expect to be bad Encoding Job Shop Scheduling ...
Where are the hard problems? Patrick Prosser with help from Peter Cheeseman Bob Kanefsky Will Taylor APES and many more Propositional Satisfiability SAT does a truth ...
Does size matter? So, Where are the hard problems? Wots NP? Nondeterministic Polynomial ... does a truth assignment exist that satisfies a propositional formula? ...
with time windows. transition times between operations. minimise make span ... The study continues: VRP and OSSP problem generation. use benchmark vrp's ...
Is the quality of LP-based Approximations related to the structure of the problem? ... The quality increases in the under constrained area --- info provided by LP is ...
Kurtosis = second central moment (i.e., variance) fourth central moment. Normal distribution ... when kurtosis 3 (e.g., exponential, lognormal) Carla P. Gomes ...
Elements in problem solving approaches. Loco Moco. Sintef's program: A suggestion ... in Loco Moco. Moco P-SAT: Heuristics. Scoop: A library for Loco Moco ...
Make a crossword puzzle! Given the above grid and a dictionary, fill it. ... More words in our crossword? Bigger dictionary? Tightness? A smaller dictionary? ...
An empirical study of the stable marriage problem. with ties ... Betting ends. The average cost of finding the LARGEST stable matching. Probability of ties p2 ...
graph colouring. independent set 'But it doesn't occur ... colouring partial Latin squares ... Colouring small world graphs. Small world graphs. Other bad news ...
Modeling Formalism for Combinatorial Problems. Simple. Powerful. Well ... Weaknesses of the CSP Formalism. Set of Variables V. Fixed size. Set of Domains D ...
Two traditions of research in planning: Planning as general ... constants: NY, Boston, Seattle ... Ground fluents: Fueled, At(NY), At(Boston), At(Seattle) ...
Senior Scientist, Department of Optimization, SINTEF ... Capacitated Arc Routing Problem CARP. Plethora of algorithmic approaches. Surveys are useful ...
Given an N X N matrix, and given N colors, a quasigroup of order N is a a ... (Berge 70, Regin 94, Shaw and Walsh 98 ) Carla P. Gomes. School on Optimization. CPAIOR02 ...
Fix size s. Step through ratios u/v 1, where u v = s. Generate random ... Size ... Will this change with larger-size instances? Grasp-based solver peaks near ...
ExpTime-hard in worst case, but regular structure can be exploited by optimisations ... them can lead to important insights, e.g., the case of MOMS heuristic: ...