Laso Bayas JC, See L, Fritz S, Sturn T, Perger C, Dürauer M, Karner M, Moorthy I, Schepaschenko D, Domian D, McCallum I
Crowdsourcing In-Situ Data on Land Cover and Land Use Using Gamification and Mobile Technology
Publication Year: 2016
Reference: Remote Sensing, 8(11)
Available here

Waldner F, Fritz S, Di Gregorio A, Defourny P
Mapping priorities to focus cropland mapping activities: Fitness assessment of existing global, regional and national cropland maps
Publication Year: 2015
Reference: Remote Sensing, 7(6):7959-7986 (June 2015)
Available here

Fritz S, See L, McCallum I, Bun A, Moltchanova E, Duerauer M, Perger C, Havlik P, Mosnier A, Schepaschenko D, van der Velde M, Dunwoody A, Kraxner F, Obersteiner M
Mapping global cropland field size
Publication Year: 2015
Reference: Global Change Biology, 21(5):1980-1992 (May 2015) (Published online 16 January 2015)
Available here

Schepaschenko D, See L, Lesiv M, McCallum I, Fritz S, Salk C, Perger C, Shvidenko A, Albrecht F, Kraxner F, Duerauer M, Obersteiner M
Development of a global hybrid forest mask through the synergy of remote sensing, crowdsourcing and FAO statistics
Publication Year: 2015
Remote Sensing of Environment, 162:208-220 (June 2015) (Published online 13 March 2015)
Available here

Exner A, Bartels LE, Windhaber M, Fritz S, See L, Politti E, Hochleithner S
Constructing landscapes of value: Capitalist investment for the acquisition of marginal or unused land. The case of Tanzania
Publication Year: 2015
Reference: Land Use Policy, 42:652-663 (January 2015) (Published online 25 October 2014)
Available here

See L, Fritz S, McCallum I
Satellite data: Beyond sharing Earth observations
Publication Year: 2014
Reference: Nature, 514(7521):168 (9 October 2014) (Published online 8 October 2014)
Available here

See, L. McCallum, I., Fritz, S., Perger, C., Kraxner, F., Obersteiner, M., Deka Baruah, U., Mili, N. and Ram Kalita, N. 
Mapping cropland in Ethiopia using crowdsourcing. International Journal of Geosciences, 4(6A1), 6-13
Publication Year: 2013
Available here

See, L., Fritz, S., Perger, C., Van der Velde, M., Albrecht, F., Schill, C., McCallum, I., Schepaschenko, D.and Obersteiner, M.
Urban Geo-wiki: A Crowdsourcing Tool for Improving Urban Land Cover.
Publication Year: 2013
Reference: Carlos Nunes Silva (ed.), Citizen E-Participation in Urban Governance: Crowdsourcing and Collaborative Creativity, pp.119-143. Hershey PA: IGI Global.

See L, Comber A, Salk C, Fritz S, van der Velde M, Perger C, Schill C, McCallum I, Kraxner F, Obersteiner M
Comparing the Quality of Crowdsourced Data Contributed by Expert and Non-Experts
Publication Year: 2013
Available here

Fritz S, See L, You L, Justice C, Becker-Reshef I, Bydekerke L, Cumani R, Defourny P, Erb K, Foley J, Gilliams S, Gong P, Hansen M, Hertel T, Herold M, Herrero M, Kayitakire F, Latham J, Leo O, McCallum I, Obersteiner M, Ramankutty N, Rocha J, Tang H, Thornton P, Vancutsem C, van der Velde M, Wood S, Woodcock C
The Need for Improved Maps of Global Cropland
Publication Year: 2013
Reference: Eos, Transactions American Geophysical Union, Volume 94, Issue 3, pages 31–32, 15 January 2013
Available here

Foody G M, See L, Fritz S, van der Velde M, Perger C, Schill C, Boyd D S 
Assessing the Accuracy of Volunteered Geographic Information arising from Multiple Contributors to an Internet Based Collaborative Project
Publication Year: 2013
Reference: Transactions in GIS Article first published online : 22 MAY 2013
Available here

Fritz S, McCallum I, Schill C, Perger C, See L, Schepaschenko D, van der Velde M, Kraxner F, Obersteiner M
Geo-Wiki: An online platform for improving global land cover
Publication Year: 2012
Reference: Environmental Modelling & Software 31 (2012), pages 110-123
Available here

Fritz S, See L, van der Velde M, Nalepa R, Perger C, Schill C, McCallum I, Schepaschenko D, Kraxner F, Cai X, Zhang X, Ortner S, Hazarika R, Cipriani A, Di Bella C, Rabia A H, Garcia A, Vakolyuk M, Singha K, Beget M E, Erasmi S, Albrecht F, Shaw B, Obersteiner M
Downgrading Recent Estimates of Land Available for Biofuel Production
Publication Year: 2012
Available here

Schepaschenko D, Fritz S, McCallum I, Perger C, Schill C, Shvidenko A, Kraxner F, Obersteiner M
A platform to visualize, analyze and improve Biomass datasets: http://biomass.geo-wiki.org
Publication Year: 2011
Reference: CarboForest Conference, 21-23 September 2011, Forest Research Institute, Sekocin Stary, Poland
Available here

Fritz S, Shchepashchenko D, McCallum I, Perger C, Schill C, Baccini A, Gallaun H, Kindermann G, Obersteiner M, Santoro M, Schmullius C, Shvidenko A
Observing terrestrial biomass globally: http://biomass.geo-wiki.org
Publication Year: 2011
Reference: ePoster B51C-0404, AGU Fall Meeting 2011 (December 2011)
Available here

Fritz S, See L, McCallum I, Schill C, Perger C, Obersteiner M
Building a crowd-sourcing tool for the validation of urban extent and gridded population
Publication Year: 2011
In Computational Science and Its Applications - ICCSA 2011, B Murgante, O Gervasi, A Iglesias, et al. (eds) Springer-Verlag, Heidelberg, Germany pp.39-50
Available here

Fritz, S.; McCallum, I.; Schill, C.; Perger, C.; Grillmayer, R.; Achard, F.; Kraxner, F.; Obersteiner, M. Geo-Wiki.Org: The Use of Crowdsourcing to Improve Global Land Cover. Remote Sens.2009, 1, 345-354.
http://www.mdpi.com/2072-4292/1/3/345

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