Walied Othman
"If we knew what it was we were doing, it would not be called research, would it?" (Albert Einstein)
PhD
GIS
University of Zurich, Switzerland
Address:
Walied Othman, Geographisches Institut, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
Office:
25 J 92
Tel
: N/A
E-mail:
walied.othman ad geo.uzh.ch
Research:
Area of research: database theory | logic | constraint databases | spatio-temporal databases | GIS
Publications on
DBLP
, citations on
Google Scholar
, and links to some ACM papers on
ACM Author-izer
.
My
resume
.
Papers: (Not all links are not operational, email me for a copy)
Trajectory Databases: Data Models, Uncertainty and Complete Query Languages. (JCSS 2010, Vol. 76, Issue 7, pp 538-560)
Modeling uncertainty of moving objects on road networks via space-time prisms (IJGIS 2009, Vol. 23, Issue 9, pp 1095-1117)
An analytic solution to the alibi query in the space-time prism model for moving object data (IJGIS, Vol. 25, Issue 2, pp 293-322)
Anchor uncertainty and space-time prisms on road networks (IJGIS 2010, Vol. 24, Issue 8, pp 1223-1248)
Analytical methods for error propagation in planar space-time prisms (JGS 2011, Vol. 13, Issue 4, pp 327-354)
PhD Thesis:
Uncertainty management in trajectory databases
Software (Mathematica, download extra needed library
here
):
Computing the Alibi Query
Visualizing space-time prisms on Road Networks
Visualizing space-time prisms and their intersections on Road Networks
Visualizing space-time prisms with uncertain anchors and their fractions on Road Networks
Visualizing errors in prism-prism intersections
Visualizing kinetic space-time prisms
Affiliations:
GIS @ University of Zurich
Spatial Databases @ Hasselt University
Links:
leisure coding
rockclimbing
Previous affiliations:
CAIS @ NTU
IFGI - Institute for Geoinformatics @ University of Muenster
Database Systems @ University of California, Santa Cruz
Last updated: May 3rd, 2012