Flexible Integration of Planning and Information Gathering In Sixth European Conference on Planning., 2011.

"Rule-Based Parsing for Web Data Extraction." In Data Warehousing and Mining: Concepts, Methodologies, Tools, and Applications., 2008.

Analysis of Internet Multi-Agent Based System for Zeus and SkeletonAgent Frameworks., 2002.

"MAPWEB: Cooperation between Planning Agents and Web Agents." Information & Security: An International Journal 8, no. 2 (2002): 209-238.

"Performance evaluation of ZEUS, Jade, and SkeletonAgent frameworks." In IEEE International Conference on Systems, Man and Cybernetics. Yasmine Hammamet, Tunisia, 2002.

"Abstract planning in dynamic environments." In IEEE International Conference on Systems, Man and Cybernetics. e-Systems and e-Man for Cybernetics in Cyberspace. Tucson, AZ, USA, USA , 2001.

Aler, Ricardo, Pedro Isasi, and Daniel Borrajo. Genetic programming and deductive-inductive learning: A multistrategy approach In Fifteenth International Conference on Machine Learning, ICML'98. Madison, Wisconsin, 1998.