On Modeling and Querying Concept Evolution. Siarhei Bykau, John Mylopoulos, Flavio Rizzolo, Yannis Velegrakis. Journal on Data Semantics (JoDS) - Springer. Online First™, (DOI) 10.1007/s13740-012-0001-1, March 2012.

Supporting queries spanning across phases of evolving artifacts based on Steiner forests. Siarhei Bykau, John Mylopoulos, Flavio Rizzolo, Yannis Velegrakis. 20th ACM Conference on Information and Knowledge Management (CIKM). Glasgow, United Kingdom. October 2011.

Towards Model-Based Support for Managing Organizational Transformation. D. Barone, L. Peyton, F. Rizzolo, D. Amyot, J. Mylopoulos. Fifth International MCETECH Conference on eTechnologies. Les Diablerets, Switzerland. January 2011.

Data Quality is Context Dependent. L. Bertossi, F. Rizzolo, L. Jiang. Fourth International Workshop on Business Intelligence for the Real Time Enterprise (BIRTE), in conjunction with VLDB 2010. Singapore, September 2010.

Exploring and querying XML Web collections with DescribeX. M. P. Consens, R. J. Miller, F. Rizzolo, A. A. Vaisman. ACM Transactions on the Web (TWEB), 4(3). July 2010.

Modeling Concept Evolution: a Historical Perspective. Flavio Rizzolo, Yannis Velegrakis, John Mylopoulos, Siarhei Bykau. 28th International Conference on Conceptual Modeling (ER). Gramado, Brazil. November 2009.

Modelling Associations through Intensional Attributes. Andrea Presa, Yannis Velegrakis, Flavio Rizzolo, Siarhei Bykau. 28th International Conference on Conceptual Modeling (ER). Gramado, Brazil. November 2009.

Temporal XML: Modeling, Indexing, and Query Processing.  F. Rizzolo, A. Vaisman. International Journal on Very Large Data Bases (VLDBJ), 17(5), August 2008. Also available at VLDBJ Online.

XPlainer: Visual Explanations of XPath Queries. M. P. Consens, J. W. S. Liu, F. Rizzolo. 23rd International Conference on Data Engineering (ICDE). Istanbul, Turkey. April 2007.

Indexing Temporal XML Documents. A. Mendelzon, F. Rizzolo, A. Vaisman. 30th International Conference on Very Large Data Bases (VLDB). Toronto, Canada. September 2004.

Indexing XML Data with ToXin. F. Rizzolo, A. Mendelzon. Fourth International Workshop on the Web and Databases (WebDB), in conjunction with ACM SIGMOD 2001. Santa Barbara, CA. May 2001.