Publications
D. Santani and D. Gatica-Perez
Revisiting the Generality of the Rank-based Human Mobility Model
in Proc. ACM Ubicomp Int. Workshop on Pervasive Urban Applications (PURBA), Zurich, Sep. 2013
D. Santani and D. Gatica-Perez
Speaking Swiss: Languages and Venues in Foursquare
in Proc. ACM Int. Conf. on Multimedia (MM)
Barcelona, Oct. 2013
E. Malmi, T. Do, and D. Gatica-Perez
From Foursquare to my Square: Learning Check-in Behavior from Multiple Sources
in Proc. AAAI Int. Conf. on Weblogs and Social Media (ICWSM), Boston, Jul. 2013
K. Farrahi and D. Gatica-Perez
A Probabilistic Approach to Mining Mobile Phone Data Sequences
In Personal and Ubiquitous Computing, Dec, 2012
J. Varadarajan, R. Emonet, and J.-M. Odobez
A Sequential Topic Model for Mining Recurrent Activities from Long Term Video Logs
International Journal of Computer Vision, accepted for publication, Sept. 2012
J. Varadarajan, R. Emonet, and J.-M. Odobez
Bridging the Past, Present and Future: Modeling Scene Activities From
Event Relationships and Global Rules
In IEEE Conf. on Computer Vision and Pattern Recognition (CVPR), Providence, June 2012
E. Malmi, T. Do and D. Gatica-Perez
Checking In or Checked In: Comparing Large-Scale Manual and Automatic Location Disclosure Patterns
in Proc. Int. Conf. on Mobile and Ubiquitous Multimedia (MUM), Ulm, Dec. 2012
***Best Paper Award Nominee***
J. Varadarajan, R. Emonet, and J.-M. Odobez
Sparsity in topic models
In I. Rish, G. Cecchi and A. Lozano (Eds.), Optimization for Machine Learning. MIT press, in process, 2012
K. Farrahi and D. Gatica-Perez
Extracting Mobile Behavioral Patterns with the Distant N-Gram Topic Model
in Proc. IEEE Int. Symp. on Wearable Computers (ISWC), Newcastle, Jun. 2012
***Best Paper Award Nominee***
Anmol Madan, Manuel Cebrian, Sai Moturu, Katayoun Farrahi and Alex Pentland
Sensing the `Health State` of our Society
IEEE Pervasive Computing, published online Nov. 2011
R. Negoescu and D. Gatica-Perez
Flickr Groups: Multimedia Communities for Multimedia Analysis
in X. S. Hua, M. Worring, and T.-S. Chua (Eds.),
Internet Multimedia Search and Mining, Bentham Science Publishers, 2011
K. Farrahi and D. Gatica-Perez
Discovering Routines from Large-Scale Human Locations using Probabilistic Topic Models
ACM Transactions on Intelligent Systems and Technology, Special Issue on Activity Recognition, Vol. 2. No. 1, 2011
A. Madan, K. Farrahi, D. Gatica-Perez, and A. Pentland
Pervasive Sensing to Model Political Opinions in Face-to-Face Networks
in Proc. Int. Conf. on Pervasive Computing (Pervasive), San Francisco, Jun. 2011
R. Emonet, J. Varadarajan, and J.-M. Odobez
Extracting and locating temporal motifs in video scenes using a hierarchical non parametric bayesian model
In Proc. IEEE conf. Computer Vision and Pattern Recognition (CVPR), Colorado Springs, June 2011
R. Emonet, J. Varadarajan, and J.-M. Odobez
Multi-camera open space human activity discovery for anomaly detection
In IEEE Int. Conf. on Advanced Video and Signal-Based Surveillance (AVSS), Klagenfurt, Austria, aug 2011
J. Varadarajan, R. Emonet, and J.-M. Odobez
Probabilistic latent sequential motifs: Discovering temporal activity patterns in video scenes
In British Machine Vision Conference (BMVC), Aberystwyth, Sept. 2010
J. Varadarajan, R. Emonet, and J.-M. Odobez
A sparsity constraint for topic models application to temporal activity mining
In NIPS workshop on Practical Application of Sparse Modeling: Open Issues and New Directions, Dec. 2010
R. Negoescu, A. Loui, and D. Gatica-Perez
Kodak Moments and Flickr Diamonds: How Users Shape Large-Scale Media
in Proc. ACM Int. Conf. on Multimedia (ACM MM), Florence, Oct. 2010