Publications
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2012.  Evaluating Path Queries over Frequently Updated Route Collections. IEEE Trans. Knowl. Data Eng.. 24:1276–1290.
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2009.  Evaluating Reachability Queries over Path Collections. Scientific and Statistical Database Management, 21st International Conference, SSDBM 2009, New Orleans, LA, USA, June 2-4, 2009, Proceedings. :398–416.
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2009.  Storing and Indexing Spatial Data in P2P Systems. IEEE Trans. Knowl. Data Eng.. 21:287–300.
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2007.  Correction to "A Family of Directional Relation Models for Extended Objects". IEEE Trans. Knowl. Data Eng.. 19:1448.
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2007.  A Family of Directional Relation Models for Extended Objects. IEEE Trans. Knowl. Data Eng.. 19:1116–1130.
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2005.  Computing and Managing Cardinal Direction Relations. IEEE Trans. Knowl. Data Eng.. 17:1610–1623.
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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.
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2003.  Spatio-Temporal Databases: The CHOROCHRONOS Approach. Lecture Notes in Computer Science. 2520
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2001.  ARKTOS: towards the modeling, design, control and execution of ETL processes. Inf. Syst.. 26:537–561.
 
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