Keyphrases
- network design problem
- distribution centers
- network design
- approximation algorithms
- branch and bound
- data warehouse
- minimal cost
- supply chain
- transportation networks
- mixed integer programming
- integer programming
- valid inequalities
- data warehousing
- mixed integer
- lagrangian relaxation
- search algorithm
- special case
- np hard
- exact solution
- lower bound
- optimal solution
- communication networks
- traveling salesman problem
- upper bound