Answers delivered through the online forms, about the tests performed by participants within the Task 4 - 'conversions from IFC to CityGML and from CityGML to IFC' - of the GeoBIM benchmark 2019, funded as a Scientific Initiative 2019 by the International Society of Photogrammetry and Remote Sensing (ISPRS) and co-funded by the European association for Spatial Data Research (EuroSDR). Full details and additional resources about the project are available in the project website: https://3d.bk.tudelft.nl/projects/geobim-benchmark/ The dataset results from the collaboration of the authors with all the participants to the benchmark, listed at https://3d.bk.tudelft.nl/projects/geobim-benchmark/participants.html It is composed by 2 files: - the answers to the delivered online forms, organised in excel sheet; - the same answers organised in a more human-readable PDF, with reliable images and links.

{"references": ["Noardo, F.; Harrie, L.; Arroyo Ohori, K.; Biljecki, F.; Ellul, C.; Krijnen, T.; Eriksson, H.; Guler, D.; Hintz, D.; Jadidi, M.A.; Pla, M.; Sanchez, S.; Soini, V.-P.; Stouffs, R.; Tekavec, J.; Stoter, J. Tools for BIM-GIS Integration (IFC Georeferencing and Conversions): Results from the GeoBIM Benchmark 2019. ISPRS Int. J. Geo-Inf. 2020, 9, 502. https://doi.org/10.3390/ijgi9090502"]}

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