| The science of citizen science K Vohland, A Land-Zandstra, L Ceccaroni, R Lemmens, J Perelló, M Ponti, ... Springer Nature, 2021 | 729* | 2021 |
| New generation sensor web enablement A Bröring, J Echterhoff, S Jirka, I Simonis, T Everding, C Stasch, S Liang, ... sensors 11 (3), 2652-2699, 2011 | 709 | 2011 |
| What is citizen science? The challenges of definition M Haklay, D Dörler, F Heigl, M Manzoni, S Hecker, K Vohland, K Vohland, ... The science of citizen science 13 (1), 34-51, 2021 | 513 | 2021 |
| Participants in citizen science A Land-Zandstra, G Agnello, YS Gültekin, K Vohland, A Land-Zandstra, ... The science of citizen science 243, 259, 2021 | 167 | 2021 |
| Integrating semantic and syntactic descriptions to chain geographic services R Lemmens, A Wytzisk, R de By, C Granell, M Gould, P Van Oosterom IEEE Internet Computing 10 (5), 42-52, 2006 | 143 | 2006 |
| Semantic interoperability of distributed geo-services R Lemmens | 122 | 2006 |
| Inclusiveness and diversity in citizen science C Paleco, S García Peter, N Salas Seoane, J Kaufmann, P Argyri, ... The science of citizen science 261, 261-282, 2021 | 115 | 2021 |
| Communication and dissemination in citizen science S Rüfenacht, T Woods, G Agnello, M Gold, P Hummer, A Land-Zandstra, ... The science of citizen science 475, 520, 2021 | 70 | 2021 |
| Citizen science in the digital world of apps R Lemmens, V Antoniou, P Hummer, C Potsiou The science of citizen science 461, 2021 | 68 | 2021 |
| Evaluation in citizen science: The art of tracing a moving target T Schaefer, B Kieslinger, M Brandt, V van den Bogaert, K Vohland, ... The science of citizen science 495, 2021 | 66 | 2021 |
| Uncertainty analysis of crowd-sourced and professionally collected field data used in species distribution models of Taiwanese moths YP Lin, D Deng, WC Lin, R Lemmens, ND Crossman, K Henle, ... Biological conservation 181, 102-110, 2015 | 63 | 2015 |
| CEO & CAMO ontologies: A circulation medium for materials in the construction industry EM Sauter, RLG Lemmens, P Pauwels Life Cycle Analysis and Assessment in Civil Engineering: Towards an …, 2018 | 55 | 2018 |
| Sensors, empowerment, and accountability: a Digital Earth view from East Africa Y Georgiadou, B Bana, R Becht, R Hoppe, J Ikingura, MJ Kraak, K Lance, ... International journal of digital earth 4 (4), 285-304, 2011 | 54 | 2011 |
| Enhancing Geo‐Service Chaining through Deep Service Descriptions R Lemmens, R De By, M Gould, A Wytzisk, C Granell, P Van Oosterom Transactions in GIS 11 (6), 849-871, 2007 | 44 | 2007 |
| Citizen science as a new approach in Geography and beyond: Review and reflections J Trojan, S Schade, R Lemmens, B Frantál Moravian Geographical Reports 27 (4), 254-264, 2019 | 41 | 2019 |
| Finding and sharing GIS methods based on the questions they answer S Scheider, A Ballatore, R Lemmens International journal of digital earth 12 (5), 594-613, 2019 | 35 | 2019 |
| Not just a tool: Taking context into account in the development of a mobile app for rural water supply in Tanzania A Wesselink, R Hoppe, R Lemmens Water alternatives 8 (2), 57-76, 2015 | 35 | 2015 |
| Kadaster knowledge graph: Beyond the fifth star of open data S Ronzhin, E Folmer, P Maria, M Brattinga, W Beek, R Lemmens, ... Information 10 (10), 310, 2019 | 33 | 2019 |
| Exploratory querying of SPARQL endpoints in space and time S Scheider, A Degbelo, R Lemmens, C van Elzakker, P Zimmerhof, ... Semantic web 8 (1), 65-86, 2016 | 33 | 2016 |
| Conceptualization of place via spatial clustering and co-occurrence analysis DP Deng, TR Chuang, R Lemmens Proceedings of the 2009 International Workshop on Location Based Social …, 2009 | 28 | 2009 |