ComNSense: Grammar-Driven Crowd-Sourcing of Point Clouds for Automatic Indoor Mapping. - Mohamed Abdelaal 001; Daniel Reichelt; Frank Dürr; Kurt Rothermel; Lavinia Runceanu; Susanne Becker; Dieter Fritsch (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2018)