An approach for harvesting, visualizing, and analyzing WebGIS sessions to identify usability issues. - René Unrau; Morin Ostkamp; Christian Kray (EICS, 2017)

Usability evaluation for geographic information systems: a systematic literature review. - René Unrau; Christian Kray (Int. J. Geogr. Inf. Sci., 2019)

Mining Map Interaction Semantics in web-based Geographic Information Systems (WebGIS) for Usability Analysis. - René Unrau; Christian Kray (AGILE Conf., 2021)

Enhancing Usability Evaluation of Web-Based Geographic Information Systems (WebGIS) with Visual Analytics. - René Unrau; Christian Kray (GIScience (I), 2021)

Interaction pattern analysis for WebGIS usability evaluation. - René Unrau; Aditya Kudekar; Christian Kray (Trans. GIS, 2022)

Evaluating the usability of web-based geographic information systems with semantic user interaction analysis. - René Unrau (2023)