@INPROCEEDINGS{schaffernicht11120, author = {Mueller, Steffen and Hellbach, Sven and Schaffernicht, Erik and Ober, Antje and Scheidig, Andrea and Gross, Horst-Michael}, title = {Whom to Talk to? Estimating User Interest from Movement Trajectories}, booktitle = {IEEE Int. Symp. on Robot and Human Interactive Communication (RO-MAN)}, year = {2008}, pages = {532--538}, publisher = {IEEE} }