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Vassalos, V. and Venkatasubramanian, S. (1995) An Analysis of Factors Directing the Admission Process of Artificial Intelligence Technologies. In: 8th International Symposium on Artificial Intelligence, Oct. 1995, Monterrey, Mexico.

Li, C. and Yerneni, R. and Vassalos, V. and Garcia-Molina, H. and Papakonstantinou, Y. and Ullman, J. and Valiveti, M. (1998) Capability Based Mediation in TSIMMIS. In: ACM International Conference on Management of Data (SIGMOD 1998), June 2-4, 1998, Seattle, Washington.

Vassalos, V. and Papakonstantinou, Y. (1997) Describing and Using Query Capabilities of Heterogeneous Sources. In: 23rd International Conference on Very Large Data Bases (VLDB 1997), August 25-29, 1997, Athens, Greece.

Vassalos, V. and Papakonstantinou, Y. (1998) Expressive Capabilities Description Languages and Query Rewriting Algorithms. Technical Report. Stanford InfoLab. (Publication Note: Journal of Logic Programming, Special issue on Logic-Based Heterogeneous Information Systems, Volume 43, Number 1, April 2000.)

Abiteboul, S. and McHugh, J. and Rys, M. and Vassalos, V. and Wiener, J. (1998) Incremental Maintenance for Materialized Views over Semistructured Data. In: 24rd International Conference on Very Large Data Bases (VLDB 1998), August 24-27, 1998, New York, NY.

Papakonstantinou, Y. and Vassalos, V. (1999) Query rewriting for semistructured data. In: ACM International Conference on Management of Data (SIGMOD 1999), June 1-3, 1999, Philadelphia, Pennsylvania.

Papakonstantinou, Y. and Vassalos, V. (1998) Query rewriting for semistructured data (extended version). Technical Report. Stanford.

Hammer, J. and Breunig, M. and Garcia-Molina, H. and Nestorov, S. and Vassalos, V. and Yerneni, R. (1997) Template-Based Wrappers in the TSIMMIS System. In: ACM International Conference on Management of Data (SIGMOD 1997) , May 13-15, 1997, Tucson, Arizona.

Garcia-Molina, H. and Papakonstantinou, Y. and Quass, D. and Rajaraman, A. and Sagiv, Y. and Ullman, J. and Vassalos, V. and Widom, J. (1997) The TSIMMIS approach to mediation: Data models and Languages. Technical Report. Stanford InfoLab. (Publication Note: In Journal of Intelligent Information Systems - journal version of http://www-db.stanford.edu/pub/papers/tsimmis-models-languages.ps)

Vassalos, V. and Papakonstantinou, Y. (1998) Using Knowledge of Redundancy for Query Optimization in Mediators. In: AAAI Workshop on AI and Information Integration, July 1998, Madison, Wisconsin.

Abiteboul, S. and Goldman, R. and McHugh, J. and Vassalos, V. and Zhuge, Y. (1997) Views for Semistructured Data. Technical Report. Stanford InfoLab. (Publication Note: Workshop on Management of Semistructured Data, Tucson, AZ, May 1997)