Proceedings of the Seventh International Joint Conference on Artificial Intelligence : Proceedings of the 7th International Joint Conference on Artificial Intelligence Advance papers of the 4th International Joint Conference on Artificial Intelligence Seventh International Joint Conference on Artificial Intelligence Proceedings of the fourth interntional joint conference on pattern recognition : Proceedings of the 7th international conference on cognitive science proceedings of international conference on competitive intelligence Fourth International Joint Conference on Artificial Intelligence 4th International Joint Conference on Artificial Intelligence 7th International Joint Conference on Artificial Intelligence