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J. Gonzalez, L. B. Holder, and D. J. Cook, Graph-Based Concept Learning, Proceedings of the Florida Artificial Intelligence Research Symposium, 2001.

J. A. Gonzalez, L. B. Holder, and D. J. Cook, Graph Based Concept Learning ", In the Proceedings of the Seventeenth National Conference on Artificial Intelligence, 2000.

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J. Gonzalez, L. B. Holder, and D. J. Cook, Graph-Based Relational Concept Learning, Proceedings of the International Machine Learning Conference, 2002.