1. Akramifar, S.A., Ghassem-sani, G., 2007. Planning by guided hill-climbing. MICAI 2007, Lecture Notes in Artificial Intelligence, vol. 4827, pp. 1067–1077.
2. Heuristic search by guided enforced hill climbing in fast forward automated planning;Akramifar;Journal of Scientific and Industrial Research,2009
3. Fast planning through planning graph analysis;Blum;Artificial Intelligence,1997
4. Macro-FF: improving AI planning with automatically learned macro-operators;Botea;Journal of Artificial Intelligence Research,2005
5. Boussemart, F., Hemery, F., Lecoutre, C., Sais, L., 2004. Boosting systematic search by weighting constraints. In: 16th European Conference on Artificial Intelligence (ECAI’04), Valencia, Spain, August, pp. 146–150.