Jef Wijsen

Application of Moving Objects and Spatiotemporal Reasoning

Dieter Pfoser, Richard T. Snodgrass, Michael H. Böhlen, 2001 .

Temporal FDs on complex objects

Jef Wijsen, J. Wijsen, Jef Wijsen, 1999, TODS.

On time-invariance and synchronism in valid-time relational databases

Jef Wijsen, Hendrik Olivié, Jacques Vandenbulcke, 1994 .

Modiication Semantics in Now-relative Databases a Timecenter Technical Report Individual Participants

R. Snodgrass, D. Pfoser, C. Dyreson, 2022 .