Publications
Querying Temporal Constraint Networks in PTIME. Proceedings of the Sixteenth National Conference on Artificial Intelligence and Eleventh Conference on Innovative Applications of Artificial Intelligence, July 18-22, 1999, Orlando, Florida, USA.. :745–750.
.
1999. Tractable Query Answering in Indefinite Constraint Databases: Basic Results and Applications to Querying Spatiotemporal Information. Spatio-Temporal Database Management, International Workshop STDBM'99, Edinburgh, Scotland, September 10-11, 1999, Proceedings. :204–223.
.
1999. ARKTOS: A Tool For Data Cleaning and Transformation in Data Warehouse Environments. IEEE Data Eng. Bull.. 23:42–47.
.
2000. Modelling and Optimisation Issues for Multidimensional Databases. Advanced Information Systems Engineering, 12th International Conference CAiSE 2000, Stockholm, Sweden, June 5-9, 2000, Proceedings. :482–497.
.
2000. Querying temporal and spatial constraint networks in PTIME. Artif. Intell.. 123:223–263.
.
2000. ARKTOS: towards the modeling, design, control and execution of ETL processes. Inf. Syst.. 26:537–561.
.
2001. Composing Cardinal Direction Relations. Advances in Spatial and Temporal Databases, 7th International Symposium, SSTD 2001, Redondo Beach, CA, USA, July 12-15, 2001, Proceedings. :299–320.
.
2001. Conceptual modeling for ETL processes. DOLAP 2002, ACM Fifth International Workshop on Data Warehousing and OLAP, November 8, 2002, McLean, VA, USA, Proceedings. :14–21.
.
2002. Consistency Checking for Qualitative Spatial Reasoning with Cardinal Directions. Principles and Practice of Constraint Programming - CP 2002, 8th International Conference, CP 2002, Ithaca, NY, USA, September 9-13, 2002, Proceedings. :341–355.
.
2002. On the Logical Modeling of ETL Processes. Advanced Information Systems Engineering, 14th International Conference, CAiSE 2002, Toronto, Canada, May 27-31, 2002, Proceedings. :782–786.
.
2002. Modeling ETL activities as graphs. Design and Management of Data Warehouses 2002, Proceedings of the 4th Intl. Workshop DMDW'2002, Toronto, Canada, May 27, 2002. :52–61.
.
2002. Advanced visualization for OLAP. DOLAP 2003, ACM Sixth International Workshop on Data Warehousing and OLAP, New Orleans, Louisiana, USA, November 7, 2003, Proceedings. :9–16.
.
2003. CPM: A Cube Presentation Model for OLAP. Data Warehousing and Knowledge Discovery, 5th International Conference, DaWaK 2003, Prague, Czech Republic, September 3-5,2003, Proceedings. :4–13.
.
2003. Spatio-temporal Models and Languages: An Approach Based on Constraints. Spatio-Temporal Databases: The CHOROCHRONOS Approach. :177–201.
.
2003. Composing cardinal direction relations. Artif. Intell.. 152:143–171.
.
2004. Computing and Handling Cardinal Direction Information. Advances in Database Technology - EDBT 2004, 9th International Conference on Extending Database Technology, Heraklion, Crete, Greece, March 14-18, 2004, Proceedings. :329–347.
.
2004. Modeling and Language Support for the Management of Pattern-Bases. Proceedings of the 16th International Conference on Scientific and Statistical Database Management (SSDBM 2004), 21-23 June 2004, Santorini Island, Greece. :265–274.
.
2004. Blueprints and Measures for ETL Workflows. Conceptual Modeling - ER 2005, 24th International Conference on Conceptual Modeling, Klagenfurt, Austria, October 24-28, 2005, Proceedings. :385–400.
.
2005. Computing and Managing Cardinal Direction Relations. IEEE Trans. Knowl. Data Eng.. 17:1610–1623.
.
2005. On the consistency of cardinal direction constraints. Artif. Intell.. 163:91–135.
.
2005. A generic and customizable framework for the design of ETL scenarios. Inf. Syst.. 30:492–525.
.
2005. Graph-Based Modeling of ETL Activities with Multi-level Transformations and Updates. Data Warehousing and Knowledge Discovery, 7th International Conference, DaWaK 2005, Copenhagen, Denmark, August 22-26, 2005, Proceedings. :43–52.
.
2005. A Presentation Model & Non-Traditional Visualization for OLAP. IJDWM. 1:1–36.
.
2005. Logic and Computational Complexity for Boolean Information Retrieval. IEEE Trans. Knowl. Data Eng.. 18:1659–1666.
.
2006. Correction to "A Family of Directional Relation Models for Extended Objects". IEEE Trans. Knowl. Data Eng.. 19:1448.
.
2007.