An analytic solution to the alibi query in the bead model for moving object data. - Bart Kuijpers; Walied Othman (Constraint Databases, Geometric Elimination and Geographic Information Systems, 2007)

A case study of the difficulty of quantifier elimination in constraint databases: the alibi query in moving object databases - Bart Kuijpers; Walied Othman; Rafael Grimson (CoRR, 2007)

Propagating and measuring anchor uncertainty in space-time prisms on road networks. - Bart Kuijpers; Harvey J. Miller; Tijs Neutens; Walied Othman (Geographic Privacy-Aware Knowledge Discovery and Delivery, 2008)

Trajectory Data Models. - José Antônio Fernandes de Macêdo; Christelle Vangenot; Walied Othman; Nikos Pelekis; Elias Frentzos; Bart Kuijpers; Irene Ntoutsi; Stefano Spaccapietra; Yannis Theodoridis (Mobility, Data Mining and Privacy, 2008)

Map matching and uncertainty: an algorithm and real-world experiments. - Kristof Ghys; Bart Kuijpers; Bart Moelans; Walied Othman; Dries Vangoidsenhoven; Alejandro A. Vaisman (GIS, 2009)

Analyzing Trajectories Using Uncertainty and Background Information. - Bart Kuijpers; Bart Moelans; Walied Othman; Alejandro A. Vaisman (SSTD, 2009)

Modeling uncertainty of moving objects on road networks via space-time prisms. - Bart Kuijpers; Walied Othman (Int. J. Geogr. Inf. Sci., 2009)

Uncertainty management in trajectory databases - Walied Othman (2009)

Anchor uncertainty and space-time prisms on road networks. - Bart Kuijpers; Harvey J. Miller; Tijs Neutens; Walied Othman (Int. J. Geogr. Inf. Sci., 2010)

Trajectory databases: Data models, uncertainty and complete query languages. - Bart Kuijpers; Walied Othman (J. Comput. Syst. Sci., 2010)

Kinetic space-time prisms. - Bart Kuijpers; Harvey J. Miller; Walied Othman (GIS, 2011)

An analytic solution to the alibi query in the space-time prisms model for moving object data. - Bart Kuijpers; Rafael Grimson; Walied Othman (Int. J. Geogr. Inf. Sci., 2011)

Analytical methods for error propagation in planar space-time prisms. - Tetsuo Kobayashi; Harvey J. Miller; Walied Othman (J. Geogr. Syst., 2011)

Quantifier elimination for elementary geometry and elementary affine geometry. - Rafael Grimson; Bart Kuijpers; Walied Othman (Math. Log. Q., 2012)

Data exchange with arithmetic operations. - Balder ten Cate; Phokion G. Kolaitis; Walied Othman (EDBT, 2013)

Privacy through Uncertainty in Location-Based Services. - Shawn Merrill; Nilgun Basalp; Joachim Biskup; Erik Buchmann; Chris Clifton; Bart Kuijpers; Walied Othman; Erkay Savas (MDM (2), 2013)

Report from Dagstuhl: SocioPaths - Multimodal Door-to-Door Route Planning via Social Paths. - Thomas Liebig; Sabine Storandt; Peter Sanders 001; Walied Othman; Stefan Funke (MUD@ICML, 2015)

From A to B, randomly: a point-to-point random trajectory generator for animal movement. - Georgios Technitis; Walied Othman; Kamran Safi; Robert Weibel (Int. J. Geogr. Inf. Sci., 2015)

Uncertainty-Based Map Matching: The Space-Time Prism and k-Shortest Path Algorithm. - Bart Kuijpers; Bart Moelans; Walied Othman; Alejandro A. Vaisman (ISPRS Int. J. Geo Inf., 2016)

Kinetic prisms: incorporating acceleration limits into space-time prisms. - Bart Kuijpers; Harvey J. Miller; Walied Othman (Int. J. Geogr. Inf. Sci., 2017)

The geometry of space-time prisms with uncertain anchors. - Bart Kuijpers; Walied Othman (Int. J. Geogr. Inf. Sci., 2017)