Research topics

• Spatial databases | Geographic Information Systems (GIS)
• Spatio-temporal databases | Moving-object databases | Trajectory databases
• Constraint databases | first-order logic over the real numbers | quantor-elimination algorithms
• Expressive power of spatio-temporal query languages
• Spatio-temporal data mining

People

• prof. dr. Bart Kuijpers
• prof. dr. Jan Van den Bussche
• dr. Walied Othman
• dr. Rafael Grimson
• Bart Moelans

Former members

• prof. dr. Luis Otavio Alvares (visiting from Universidade Federal do Rio Grande do Sul, Brasil)
• dr. Vania Bogorny
• dr. Floris Geerts (now at University of Edinburgh)
• dr. Sofie Haesevoets (now at Luciad)

Projects

• FP7-ICT project MODAP; FET-IST project GeoPKDD (finished)
• Research Foundation Flanders (FWO-Vlaanderen) project G.0344.05 (with the Department of Geography @ Ghent University): Knowledge Representation and Database Problems for Spatio-Temporal Databases (finished)

Events

• LID'09, ICDT'10, 3D GeoInfo
• Dagstuhl seminar 08471, "Geographic Privacy-Aware Knowledge Discovery and Delivery" (11/2008)
• ACM SAC'08 | NOTERE'08
• ACM DOLAP'07 | ACM GIS'07 | SSTDM'07 | BNAIC'07 | GMAI'07
• Dagstuhl seminar 07212 "Constraint Databases, Geometric Elimination and Geographic Information Systems" (05/2007)
• Workshop on Spatio-Temporal Data Mining (STDM'07)

Collaboration

• Michael Benedikt (Oxford University)
• Philippe De Maeyer (University of Ghent)
• Floris Geerts (University of Edinburgh)
• Fosca Giannotti (KDDLAB - ISTI/CNR)
• Sofie Haesevoets (Luciad, Leuven)
• Joos Heintz (Universities of Buenos Aires and Cantabria)
• Christine Korner (FHG AIS)
• Gabi Kuper (University of Trento)
• Micheal May (FHG AIS)
• Mirco Nanni (KDDLAB - ISTI/CNR)
• Jan Paredaens (University of Antwerp)
• Dino Pedreschi KDDLAB (Pisa Univ.)
• Ian Pratt (Manchester University)
• Chiara Renso (KDDLAB - ISTI/CNR)
• Peter Revesz (University of Nebraska)
• Yucel Saygin (Sabanci Univ.)
• Stefano Spaccapietra (EPFL)
• Yannis Theodoridis (CTI & Piraeus Univ.)
• Alejandro Vaisman (University of Buenos Aires)
• Nico Van de Weghe (University of Ghent)
• Monica Wachowicz (Alterra/Wageningen)

Publications in 2009

• Analyzing Trajectories using Uncertainty and Background Information
  Bart Kuijpers, Bart Moelans, Walied Othman, and Alejandro Vaisman
  in 11th International Symposium on Spatial and Temporal Databases (SSTD),
  Lecture Notes in Computer Science, 2009.
• An analytic solution to the alibi query in the space-time prisms model for moving object data
  Rafael Grimson, Bart Kuijpers, Walied Othman
  in International Journal of Geographical Information Science, 2009.
• Spatial Aggregation: Data Model and Implementation
  Leticia Gomez, Sofie Haesevoets, Bart Kuijpers, Alejandro Vaisman,
  in Information Systems, 2009.
• Temporal Support in Sequential Pattern Mining
  Leticia Gomez, Bart Kuijpers, Alejandro Vaisman,
  in Alberto Mendelzon Workshop on Foundations of Data Management (AMW'09), 2009.
• Trajectory databases: data models, uncertainty and complete query languages
  Bart Kuijpers, Walied Othman
  in Journal of Computer and System Sciences (JCSS), 2009.
• A Survey on Spatio-Temporal Data Warehousing
  Leticia Gomez, Bart Kuijpers, Bart Moelans, Alejandro Vaisman,
  in International Journal of Data Warehousing and Mining (IJDWM), 2009.
• Some lower bounds for the complexity of the linear programming feasibility problem over the reals
  Rafael Grimson, Bart Kuijpers,
  in Journal of Complexity, 2009.
• Querying and Mining Moving Object Databases Using Places of Interest
  Leticia Gomez, Bart Kuijpers, Alejandro Vaisman,
  in Annals of Information Systems (special issue on "New Trends in Data Warehousing and Data Analysis"), 2009.
• Modeling uncertainty of moving objects on road networks via space-time prisms,
  Bart Kuijpers, Walied Othman,
  in International Journal of Geographical Information Science, 2009.
• ST-DMQL: a Semantic Trajectory Data Mining Query Language,
  Vania Bogorny, Bart Kuijpers, Luis Otavio Alvares,
  in International Journal of Geographical Information Science, 2009.
• Logical Aspects of Spatial Databases
  Bart Kuijpers, Jan Van den Bussche
  in Finite and Algorithmic Model Theory, eds. Michael Benedikt, Christian Michaux, Charles Steinhorn, Cambridge University Press, 2009.

Software

• Computing the Alibi Query for moving objects in the plane
• Visualizing space-time prisms on Road Networks
• Visualizing space-time prisms and their intersections on Road Networks