Mapping global cropland and field size S Fritz, L See, I McCallum, L You, A Bun, E Moltchanova, M Duerauer, ... Global change biology 21 (5), 1980-1992, 2015 | 577 | 2015 |
Geo-Wiki. Org: The use of crowdsourcing to improve global land cover S Fritz, I McCallum, C Schill, C Perger, R Grillmayer, F Achard, F Kraxner, ... Remote Sensing 1 (3), 345-354, 2009 | 426 | 2009 |
Geo-Wiki: An online platform for improving global land cover S Fritz, I McCallum, C Schill, C Perger, L See, D Schepaschenko, ... Environmental Modelling & Software 31, 110-123, 2012 | 374 | 2012 |
Comparing the quality of crowdsourced data contributed by expert and non-experts L See, A Comber, C Salk, S Fritz, M Van Der Velde, C Perger, C Schill, ... PloS one 8 (7), e69958, 2013 | 167 | 2013 |
Assessing the accuracy of volunteered geographic information arising from multiple contributors to an internet based collaborative project GM Foody, L See, S Fritz, M Van der Velde, C Perger, C Schill, DS Boyd Transactions in GIS 17 (6), 847-860, 2013 | 164 | 2013 |
A global dataset of crowdsourced land cover and land use reference data S Fritz, L See, C Perger, I McCallum, C Schill, D Schepaschenko, ... Scientific data 4 (1), 1-8, 2017 | 160 | 2017 |
Using control data to determine the reliability of volunteered geographic information about land cover A Comber, L See, S Fritz, M Van der Velde, C Perger, G Foody International Journal of Applied Earth Observation and Geoinformation 23, 37-48, 2013 | 148 | 2013 |
Development of a global hybrid forest mask through the synergy of remote sensing, crowdsourcing and FAO statistics D Schepaschenko, L See, M Lesiv, I McCallum, S Fritz, C Salk, ... Remote Sensing of Environment 162, 208-220, 2015 | 146 | 2015 |
Building a hybrid land cover map with crowdsourcing and geographically weighted regression L See, D Schepaschenko, M Lesiv, I McCallum, S Fritz, A Comber, ... ISPRS Journal of Photogrammetry and Remote Sensing 103, 48-56, 2015 | 118 | 2015 |
Cropland for sub‐Saharan Africa: A synergistic approach using five land cover data sets S Fritz, L You, A Bun, L See, I McCallum, C Schill, C Perger, J Liu, ... Geophysical Research Letters 38 (4), 2011 | 118 | 2011 |
Downgrading recent estimates of land available for biofuel production S Fritz, L See, M Van Der Velde, RA Nalepa, C Perger, C Schill, ... Environmental science & technology 47 (3), 1688-1694, 2013 | 102 | 2013 |
Accurate attribute mapping from volunteered geographic information: issues of volunteer quantity and quality GM Foody, L See, S Fritz, M Van der Velde, C Perger, C Schill, DS Boyd, ... The Cartographic Journal 52 (4), 336-344, 2015 | 96 | 2015 |
Crowdsourcing in-situ data on land cover and land use using gamification and mobile technology JC Laso Bayas, L See, S Fritz, T Sturn, C Perger, M Dürauer, M Karner, ... Remote Sensing 8 (11), 905, 2016 | 84 | 2016 |
The Forest Observation System, building a global reference dataset for remote sensing of forest biomass D Schepaschenko, J Chave, OL Phillips, SL Lewis, SJ Davies, ... Scientific data 6 (1), 198, 2019 | 74 | 2019 |
Assessing quality of volunteer crowdsourcing contributions: lessons from the Cropland Capture game CF Salk, T Sturn, L See, S Fritz, C Perger International Journal of Digital Earth 9 (4), 410-426, 2016 | 74 | 2016 |
Harnessing the power of volunteers, the internet and Google Earth to collect and validate global spatial information using Geo-Wiki L See, S Fritz, C Perger, C Schill, I McCallum, D Schepaschenko, ... Technological Forecasting and Social Change 98, 324-335, 2015 | 66 | 2015 |
A global reference database of crowdsourced cropland data collected using the Geo-Wiki platform JC Laso Bayas, M Lesiv, F Waldner, A Schucknecht, M Duerauer, L See, ... Scientific data 4 (1), 1-10, 2017 | 65 | 2017 |
Recent advances in forest observation with visual interpretation of very high-resolution imagery D Schepaschenko, L See, M Lesiv, JF Bastin, D Mollicone, ... Surveys in Geophysics 40, 839-862, 2019 | 60 | 2019 |
A campaign to collect volunteered geographic Information on land cover and human impact C Perger, S Fritz, L See, C Schill, M Van der Velde, I McCallum, ... GI_Forum, 83-91, 2012 | 44 | 2012 |
Mapping cropland in Ethiopia using crowdsourcing L See, I McCallum, S Fritz, C Perger, F Kraxner, M Obersteiner, ... International Journal of Geosciences 4 (6), 6-13, 2013 | 35 | 2013 |