The following publications are possibly variants of this publication:
- Indexing mobile objects using dual transformationsGeorge Kollios, Dimitris Papadopoulos, Dimitrios Gunopulos, Vassilis J. Tsotras. vldb, 14(2):238-256, 2005. [doi]
- On Indexing Mobile ObjectsGeorge Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras. PODS 1999: 261-272 [doi]
- Indexing Mobile Objects on the PlaneDimitris Papadopoulos, George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras. dexaw 2002: 693-697 [doi]