"OMG, from here, I can see the flames!": a use case of mining location based social networks to acquire spatio-temporal data on forest fires. - Bertrand De Longueville; Robin S. Smith; Gianluca Luraschi (GIS-LBSN, 2009)

What Volunteered Geographic Information is (good for) - designing a methodology for comparative analysis of existing applications to classify VGI and its uses. - Nicole Ostlaender; Robin S. Smith; Bertrand De Longueville; Paul Smits (IGARSS, 2010)