Qualitative geocoding of persistent web pages. - Albert Angel; Chara Lontou; Dieter Pfoser; Alexandros Efentakis (GIS, 2008)

Geoblogging: user-contributed geospatial data collection and fusion. - Dieter Pfoser; Charikleia Lontou; Euthymios Drymonas; Savvas Georgiou (GIS, 2010)