Nearest Neighbor Search on Moving Object Trajectories. - Elias Frentzos; Kostas Gratsias; Nikos Pelekis; Yannis Theodoridis (SSTD, 2005)

Towards a Taxonomy of Location Based Services. - Kostas Gratsias; Elias Frentzos; Vasilis Delis; Yannis Theodoridis (W2GIS, 2005)

Index-based Most Similar Trajectory Search. - Elias Frentzos; Kostas Gratsias; Yannis Theodoridis (ICDE, 2007)

Towards the Next Generation of Location-Based Services. - Elias Frentzos; Kostas Gratsias; Yannis Theodoridis (W2GIS, 2007)

Algorithms for Nearest Neighbor Search on Moving Object Trajectories. - Elias Frentzos; Kostas Gratsias; Nikos Pelekis; Yannis Theodoridis (GeoInformatica, 2007)

On the Effect of Location Uncertainty in Spatial Querying. - Elias Frentzos; Kostas Gratsias; Yannis Theodoridis (IEEE Trans. Knowl. Data Eng., 2009)