Steffen Fritz

According to our database, Steffen Fritz authored at least 52 papers between 2003 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Collecting volunteered geographic information from the Global Navigation Satellite System (GNSS): experiences from the CAMALIOT project.

Linda See, Benedikt Soja, Grzegorz Klopotek, Tobias Sturn, Rudi Weinacker, Santosh Karanam, Ivelina Georgieva, Yuanxin Pan, Laura Crocetti, Markus Rothacher, Vicente Navarro, Steffen Fritz, Ian McCallum

Int. J. Digit. Earth, December, 2023

Crowd-Driven Deep Learning Tracks Amazon Deforestation.

Ian McCallum, Jon Walker, Steffen Fritz, Markus Grau, Cassie Hannan, I-Sah Hsieh, Deanna Lape, Jen Mahone, Caroline McLester, Steve Mellgren, Nolan Piland, Linda See, Gerhard Svolba, Murray de Villiers

Remote. Sens., November, 2023

2021

filedriller: Marrying Siegfried and the National Software Reference Library.

Steffen Fritz

Proceedings of the 17th International Conference on Digital Preservation, 2021

Crowdsourcing In-Situ Data Collection Using Gamification.

Steffen Fritz, Tobias Sturn, Mathias Karner, Santosh Karanam, Linda See, Juan Carlos Laso Bayas, Ian McCallum

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

2020

Developing food, water and energy nexus workflows.

Ian McCallum, Carsten Montzka, Bagher Bayat, Stefan Kollet, Andrii Kolotii, Nataliia Kussul, Mykola Lavreniuk, Anthony Lehmann, Joan Masó, Paolo Mazzetti, Aline Mosnier, Emma Perracchione, Mario Putti, Mattia Santoro, Ivette Serral, Leonid Shumilo, Daniel Spengler, Steffen Fritz

Int. J. Digit. Earth, 2020

2019

Crowd-Driven and Automated Mapping of Field Boundaries in Highly Fragmented Agricultural Landscapes of Ethiopia with Very High Spatial Resolution Imagery.

Michael T. Marshall, Sophie Crommelinck, Divyani Kohli, Christoph Perger, Michael Ying Yang, Aniruddha Ghosh, Steffen Fritz, Kees de Bie, Andy Nelson

Remote. Sens., 2019

2018

An Exploration of Some Pitfalls of Thematic Map Assessment Using the New Map Tools Resource.

Carl F. Salk, Steffen Fritz, Linda See, Christopher Dresel, Ian McCallum

Remote. Sens., 2018

Engaging Citizens in Environmental Monitoring via Gaming.

Ian McCallum, Linda See, Tobias Sturn, Carl F. Salk, Christoph Perger, Martina Dürauer, Mathias Karner, Inian Moorthy, Dahlia Domian, Dmitry Schepaschenko, Steffen Fritz

Int. J. Spatial Data Infrastructures Res., 2018

Integrated Participatory and Collaborative Risk Mapping for Enhancing Disaster Resilience.

Wei Liu, Sumit Dugar, Ian McCallum, Gaurav Thapa, Linda See, Prakash Khadka, Nama Budhathoki, Sarah Brown, Reinhard Mechler, Steffen Fritz, Puja Shakya

ISPRS Int. J. Geo Inf., 2018

Increasing the Accuracy of Crowdsourced Information on Land Cover via a Voting Procedure Weighted by Information Inferred from the Contributed Data.

Giles M. Foody, Linda See, Steffen Fritz, Inian Moorthy, Christoph Perger, Christian Schill, Doreen S. Boyd

ISPRS Int. J. Geo Inf., 2018

2017

Limitations of Majority Agreement in Crowdsourced Image Interpretation.

Carl F. Salk, Tobias Sturn, Linda M. See, Steffen Fritz

Trans. GIS, 2017

Assessing and Improving the Reliability of Volunteered Land Cover Reference Data.

Yuanyuan Zhao, Duole Feng, Le Yu, Linda See, Steffen Fritz, Christoph Perger, Peng Gong

Remote. Sens., 2017

LACO-Wiki: A New Online Land Cover Validation Tool Demonstrated Using GlobeLand30 for Kenya.

Linda See, Juan Carlos Laso Bayas, Dmitry Schepaschenko, Christoph Perger, Christopher Dresel, Victor Maus, Carl F. Salk, Jürgen Weichselbaum, Myroslava Lesiv, Ian McCallum, Inian Moorthy, Steffen Fritz

Remote. Sens., 2017

The Role of Citizen Science in Earth Observation.

Steffen Fritz, Cidália Costa Fonte, Linda M. See

Remote. Sens., 2017

Validation of Automatically Generated Global and Regional Cropland Data Sets: The Case of Tanzania.

Juan Carlos Laso Bayas, Linda See, Christoph Perger, Christina Justice, Catherine Nakalembe, Jan Dempewolf, Steffen Fritz

Remote. Sens., 2017

European Landscape Dynamics: CORINE Land Cover Data, Jan Feranec, Tomas Soukup, Gerard Hazeu, Gabriel Jaffrain. CRC Press, Boca Raton (2016).

Steffen Fritz

Int. J. Appl. Earth Obs. Geoinformation, 2017

2016

Contributing to WUDAPT: A Local Climate Zone Classification of Two Cities in Ukraine.

Olha Danylo, Linda See, Benjamin Bechtel, Dmitry Schepaschenko, Steffen Fritz

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016

Local Knowledge and Professional Background Have a Minimal Impact on Volunteer Citizen Science Performance in a Land-Cover Classification Task.

Carl F. Salk, Tobias Sturn, Linda M. See, Steffen Fritz

Remote. Sens., 2016

Comparison of Data Fusion Methods Using Crowdsourced Data in Creating a Hybrid Forest Cover Map.

Myroslava Lesiv, Elena Moltchanova, Dmitry Schepaschenko, Linda See, Anatoly Shvidenko, Alexis J. Comber, Steffen Fritz

Remote. Sens., 2016

Towards an Integrated Global Land Cover Monitoring and Mapping System.

Martin Herold, Linda See, Nandin-Erdene Tsendbazar, Steffen Fritz

Remote. Sens., 2016

Crowdsourcing In-Situ Data on Land Cover and Land Use Using Gamification and Mobile Technology.

Juan Carlos Laso Bayas, Linda See, Steffen Fritz, Tobias Sturn, Christoph Perger, Martina Dürauer, Mathias Karner, Inian Moorthy, Dmitry Schepaschenko, Dahlia Domian, Ian McCallum

Remote. Sens., 2016

Crowdsourcing, Citizen Science or Volunteered Geographic Information? The Current State of Crowdsourced Geographic Information.

Linda See, Peter Mooney, Giles M. Foody, Lucy Bastin, Alexis J. Comber, Jacinto Estima, Steffen Fritz, Norman Kerle, Bin Jiang, Mari Laakso, Hai-Ying Liu, Grega Milcinski, Matej Niksic, Marco Painho, Andrea Podör, Ana-Maria Olteanu Raimond, Martin Rutzinger

ISPRS Int. J. Geo Inf., 2016

Investigating the Feasibility of Geo-Tagged Photographs as Sources of Land Cover Input Data.

Vyron Antoniou, Cidália Costa Fonte, Linda See, Jacinto Estima, Jamal Jokar Arsanjani, Flavio Lupia, Marco Minghini, Giles M. Foody, Steffen Fritz

ISPRS Int. J. Geo Inf., 2016

Geographically weighted evidence combination approaches for combining discordant and inconsistent volunteered geographical information.

Alexis J. Comber, Cidália Costa Fonte, Giles M. Foody, Steffen Fritz, Paul Harris, Ana-Maria Olteanu Raimond, Linda See

GeoInformatica, 2016

Assessing quality of volunteer crowdsourcing contributions: lessons from the Cropland Capture game.

Carl F. Salk, Tobias Sturn, Linda See, Steffen Fritz, Christoph Perger

Int. J. Digit. Earth, 2016

A Unified Cropland Layer at 250 m for Global Agriculture Monitoring.

François Waldner, Steffen Fritz, Antonio Di Gregorio, Dmitry Plotnikov, Sergey Bartalev, Nataliia Kussul, Peng Gong, Prasad S. Thenkabail, Gerard W. Hazeu, Igor Klein, Fabian Löw, Jukka Miettinen, Vinay Kumar Dadhwal, Céline Lamarche, Sophie Bontemps, Pierre Defourny

Data, 2016

The Cropland Capture Game: Good Annotators Versus Vote Aggregation Methods.

Artem Baklanov, Steffen Fritz, Michael Yu. Khachay, Oleg Nurmukhametov, Linda M. See

Proceedings of the Advanced Computational Methods for Knowledge Engineering, 2016

Digital Zusammenwachsen: Forschungsdatenmanagement im Forschungsverbund MWW.

Timo Steyer, Lydia Koglin, Steffen Fritz

Proceedings of the 3. Tagung des Verbands Digital Humanities im deutschsprachigen Raum, 2016

Vote Aggregation Techniques in the Geo-Wiki Crowdsourcing Game: A Case Study.

Artem Baklanov, Steffen Fritz, Michael Yu. Khachay, Oleg Nurmukhametov, Carl F. Salk, Linda M. See, Dmitry Shchepashchenko

Proceedings of the Analysis of Images, Social Networks and Texts, 2016

2015

A Meta-Analysis on the Return on Investment of Geospatial Data and Systems: A Multi-Country Perspective.

Natalie Trapp, Uwe A. Schneider, Ian McCallum, Steffen Fritz, Christian Schill, Maria Teresa Borzacchiello, Christine Heumesser, Max Craglia

Trans. GIS, 2015

Mapping Priorities to Focus Cropland Mapping Activities: Fitness Assessment of Existing Global, Regional and National Cropland Maps.

François Waldner, Steffen Fritz, Antonio Di Gregorio, Pierre Defourny

Remote. Sens., 2015

Spatial Accuracy Assessment and Integration of Global Land Cover Datasets.

Nandin-Erdene Tsendbazar, Sytze de Bruin, Steffen Fritz, Martin Herold

Remote. Sens., 2015

Developing a community-based worldwide urban morphology and materials database (WUDAPT) using remote sensing and crowdsourcing for improved urban climate modelling.

Linda See, Christoph Perger, Martina Dürauer, Steffen Fritz, Benjamin Bechtel, Jason Ching, Paul J. Alexander, Gerald Mills, Micheal Foley, Martin O'Connor, Iain Stewart, Johannes Feddema, Valéry Masson

Proceedings of the Joint Urban Remote Sensing Event, 2015

Cropland Capture - A Game for Improving Global Cropland Maps.

Tobias Sturn, Steffen Fritz, Michael Wimmer

Proceedings of the 10th International Conference on the Foundations of Digital Games, 2015

2014

Global Earth Observation System of Systems (GEOSS).

Steffen Fritz

Proceedings of the Encyclopedia of Remote Sensing, 2014

Geography Geo-Wiki in the Classroom: Using Crowdsourcing to Enhance Geographical Teaching.

Christoph Perger, Ellsworth LeDrew, Linda M. See, Steffen Fritz

Future Internet, 2014

2013

Assessing the Accuracy of Volunteered Geographic Information arising from Multiple Contributors to an Internet Based Collaborative Project.

Giles M. Foody, Linda M. See, Steffen Fritz, Marijn Van der Velde, Christoph Perger, Christian Schill, Doreen S. Boyd

Trans. GIS, 2013

Harmonizing and Combining Existing Land Cover/Land Use Datasets for Cropland Area Monitoring at the African Continental Scale.

Christelle Vancutsem, Eduardo Marinho, François Kayitakire, Linda See, Steffen Fritz

Remote. Sens., 2013

The Rise of Collaborative Mapping: Trends and Future Directions.

Linda M. See, Steffen Fritz, Jan de Leeuw

ISPRS Int. J. Geo Inf., 2013

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

Alexis J. Comber, Linda M. See, Steffen Fritz, Marijn Van der Velde, Christoph Perger, Giles M. Foody

Int. J. Appl. Earth Obs. Geoinformation, 2013

Landspotting - Games for improving global land cover.

Tobias Sturn, Michael Wimmer, Peter Purgathofer, Steffen Fritz

Proceedings of the 8th International Conference on the Foundations of Digital Games, 2013

Comparing Expert and Non-expert Conceptualisations of the Land: An Analysis of Crowdsourced Land Cover Data.

Alexis J. Comber, Chris Brunsdon, Linda M. See, Steffen Fritz, Ian McCallum

Proceedings of the Spatial Information Theory - 11th International Conference, 2013

2012

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

Steffen Fritz, Ian McCallum, Christian Schill, Christoph Perger, Linda See, Dmitry Schepaschenko, Marijn Van der Velde, Florian Kraxner, Michael Obersteiner

Environ. Model. Softw., 2012

2011

Building a Crowd-Sourcing Tool for the Validation of Urban Extent and Gridded Population.

Steffen Fritz, Linda M. See, Ian McCallum, Christian Schill, Christoph Perger, Michael Obersteiner

Proceedings of the Computational Science and Its Applications - ICCSA 2011, 2011

2010

Different methods, different wilds: Evaluating alternative mappings of wildness using fuzzy MCE and Dempster-Shafer MCE.

Alexis J. Comber, Steve Carver, Steffen Fritz, Robert McMorran, Justin Washtell, Peter F. Fisher

Comput. Environ. Urban Syst., 2010

Comparison of global land cover products: community remote sensing to validate areas of high disagreement.

Steffen Fritz, Ian McCallum, Linda M. See, Florian Kraxner, Michael Obersteiner

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

2009

Geo-Wiki.Org: The Use of Crowdsourcing to Improve Global Land Cover.

Steffen Fritz, Ian McCallum, Christian Schill, Christoph Perger, Roland Grillmayer, Frédéric Achard, Florian Kraxner, Michael Obersteiner

Remote. Sens., 2009

2008

A Conceptual Framework for Assessing the Benefits of a Global Earth Observation System of Systems.

Steffen Fritz, Robert Scholes, Michael Obersteiner, Jetske Bouma, Belinda Reyers

IEEE Syst. J., 2008

The use of MODIS data to derive acreage estimations for larger fields: A case study in the south-western Rostov region of Russia.

Steffen Fritz, Michel Massart, Igor V. Savin, Javier Gallego, Felix Rembold

Int. J. Appl. Earth Obs. Geoinformation, 2008

2006

A method to compare and improve land cover datasets: application to the GLC-2000 and MODIS land cover products.

Linda M. See, Steffen Fritz

IEEE Trans. Geosci. Remote. Sens., 2006

2005

Comparison of land cover maps using fuzzy agreement.

Steffen Fritz, Linda M. See

Int. J. Geogr. Inf. Sci., 2005

2003

Use of data from the VEGETATION instrument for global environmental monitoring: some lessons from the GLC 2000 and the GBA 2000 projects.

Etienne Bartholomé, Alan S. Belward, Frédéric Achard, Sergey Bartalev, Cesar Carmona-Moreno, Hugh Eva, Steffen Fritz, Jean-Marie Grégoire, Philippe Mayaux, Hans Jürgen Stibig, Kevin Tansey

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003