Comber A, See L, Fritz S, van der Velde M, Perger C, Foody G (2013)

Using control data to determine the reliability of volunteered geographic information about land cover

International Journal of Applied Earth Observation and Geoinformation, 23:37-48 (August 2013) More

Fritz S, See L, van der Velde M, Nalelpa RA, Perger C, Schill C, McCallum I, Schepaschenko D, Kraxner F, Vakolyuk M, Albrecht F, Shaw B, Obersteiner M et al. (2012)

Downgrading recent estimates of land available for biofuel production

Environmental Science & Technology, Article in press (Published online 24 December 2012) More

Schepaschenko D, Fritz S, McCallum I, Shvidenko A, Perger C, Schill C, See L, Kraxner F, Obersteiner M (2012)

A platform to visualize, analyze and improve biomass datasets: http://biomass.geo-wiki.org

Folia Forestalia Polonica, Series A - Forestry, 54(2):137-139 (2012) More

Fritz S, McCallum I, Schill C, Perger C, See L, Schepaschenko D, van der Velde M, Kraxner F, Obersteiner M (2012)

Geo-Wiki: An online platform for improving global land cover

Environmental Modelling & Software, 31:110-123 (May 2012) (Published online 28 December 2011) More

Schepaschenko D, See L, Fritz S, McCallum I, Schill C, Perger C, Baccini A, Gallaun H, Kindermann G, Kraxner F, Saatchi S, Obersteiner M, Santoro M, Schmullius C, Shvidenko A, Schepaschenko M (2012)

Observing forest biomass globally

Earthzine, posted on 9 June 2012 in Articles, Earth Observation, Forest Resources Information More

Perger C, Fritz S, See L, Schill C, van der Velde M, McCallum I, Obersteiner M (2012)

A campaign to collect volunteered geographic information and land cover and human impact

GI_Forum 2012: Geovizualisation, Society and Learning, T Jekel, A Car, J Strobl, G Griesebner (eds)
(Wichmann, Berlin/Offenbach, Germany) 3-6 July 2012, Salzburg, Austria pp.83-91 More

Fritz S, You L, Bun A, See L, McCallum I, Schill C, Perger C, Liu J, Hansen M, Obersteiner M (2011)

Cropland for sub-Saharan Africa: A synergistic approach using five land cover data sets

Geophysical Research Letters, 38:L04404 (23 February 2011) More

Fritz S, See L, McCallum I, Schill C, Perger C, Obersteiner M (2011)

Building a crowd-sourcing tool for the validation of urban extent and gridded population

In Computational Science and Its Applications - ICCSA 2011, B Murgante, O Gervasi, A Iglesias, et al. (eds)
Springer-Verlag, Heidelberg, Germany pp.39-50 More

Fritz S, Shchepashchenko D, McCallum I, Perger C, Schill C, Baccini A, Gallaun H, Kindermann G, Obersteiner M, Santoro M, Schmullius C, Shvidenko A (2011)

Observing terrestrial biomass globally: http://biomass.geo-wiki.org

ePoster B51C-0404, AGU Fall Meeting 2011 (December 2011) More

Schepaschenko D, Fritz S, McCallum I, Perger C, Schill C, Shvidenko A, Kraxner F, Obersteiner M (2011)

A platform to visualize, analyze and improve Biomass datasets: http://biomass.geo-wiki.org

CarboForest Conference,
21-23 September 2011, Forest Research Institute, Sekocin Stary, Poland More

McCallum I, Fritz S, Schill C, Perger C, Achard F, Grillmayer R, Koch B, Kraxner F, Obersteiner M, Quinten M (2010)

Geo-Wiki.org: Harnessing the power of volunteers, the Internet and Google Earth to collect and validate global spatial information

Earthzine, posted on 1 February 2010 in Articles, Earth Observation, Technology More

Fritz S, McCallum I, Schill C, Perger C, Grillmayer R, Achard F, Kraxner F, Obersteiner M (2009)

Geo-Wiki.Org: The use of crowdsourcing to improve global land cover

Remote Sensing, 1(3):345-354 (3 August 2009) More

Fritz S, McCallum I, Schill C, Perger C, Kraxner F, Obersteiner M (2009)

Towards a geospatial Wikipedia (Abstract)

Geophysical Research Abstracts, 11:EGU2009-6977 More