| Article ID: | iaor1993719 |
| Country: | Netherlands |
| Volume: | 51 |
| Issue: | 3 |
| Start Page Number: | 400 |
| End Page Number: | 404 |
| Publication Date: | Apr 1991 |
| Journal: | European Journal of Operational Research |
| Authors: | Oguz Osman |
A simple perturbation of data is suggested for use in conjunction with approximation algorithms for the purpose of improving the available bounds (upper and lower), and the worst case bounds. The technique does not require the approximation algorithm (heuristic) to provide a worst case bound to be applicable.