Building Virtual Earth Observatories Using Ontologies and Linked Geospatial Data. - Manolis Koubarakis; Manos Karpathiotakis; Kostis Kyzirakos; Charalampos Nikolaou; Stavros Vassos; George Garbis; Michael Sioutis; Konstantina Bereta; Stefan Manegold; Martin L. Kersten; Milena Ivanova; Holger Pirk; et al. (RR, 2012)

TELEIOS: A Database-Powered Virtual Earth Observatory. - Manolis Koubarakis; Kostis Kyzirakos; Manos Karpathiotakis; Charalampos Nikolaou; Stavros Vassos; George Garbis; Michael Sioutis; Konstantina Bereta; Dimitrios Michail 001; Charalambos Kontoes; Ioannis Papoutsis; Themos Herekakis; et al. (Proc. VLDB Endow., 2012)