A note on the integrality gap of an ILP formulation for the periodic maintenance problem.
Alexander GrigorievJoris van de KlundertPublished in: Oper. Res. Lett. (2011)
Keyphrases
- integrality gap
- linear programming relaxation
- valid inequalities
- lp relaxation
- integer programming formulation
- inductive logic programming
- knapsack problem
- linear programming
- lower bound
- integer programming
- column generation
- feasible solution
- mixed integer
- branch and bound
- traveling salesman problem
- mixed integer programming
- randomly generated
- genetic algorithm
- optimal solution
- approximation algorithms
- linear program
- primal dual
- message passing
- integer program
- energy minimization
- background knowledge
- relational learning
- convex hull