1. Abiteboul, S. and O. Duschka. 1998, Complexity of answering queries using materialized views. InProc. of the 17th ACM SIGACT SIGMOD SIGART Symp. on Principles of Database Systems (PODS'98), Seattle, WA, 254-265.
2. Acciarri, A., D. Calvanese, G. De Giacomo, D. Lembo, M. Lenzerini, M. Palmieri, and R. Rosati. 2005, QuOnto: Querying ontologies. InProc. of the 20th Nat. Conf. on Artificial Intelligence (AAAI 2005), Pittsburgh, PA, 1670-1671.
3. Alexe, B., P. Kolaitis, and W.C. Tan. 2010, Characterizing schema mappings via data examples. InProc. of the 29th ACM SIGACT SIGMOD SIGART Symp. on Principles of Database Systems (PODS 2010), Indianapolis, IA, 261-271.
4. Amoroso, A., G. Esposito, D. Lembo, P. Urbano, and R. Vertucci. 2008, Ontologybased data integration with Mastro-i for configuration and data management at SELEX Sistemi Integrati. InProc. of the 16th Ital. Conf. on Database Systems (SEBD 2008), Mondello (PA), Italy, 81-92.
5. André, E., G. Herzog, and T. Rist 1988, On the simultaneous interpretation of real world image sequences and their natural language description: The system Soccer. InProc. of the European Conference on Artificial Intelligence (ECAI 1988), Munich, Germany, 449-454.