C. Carincotte, X. Desurmont, B. Ravera, F. Bremond, J. Orwell et al., Toward generic intelligent knowledge extraction from video and audio: the EU-funded CARETAKER project, IET Conference on Crime and Security, pp.470-476, 2006.
DOI : 10.1049/ic:20060354

A. Martinez and P. De-la-fuente, Dimitriadis Y.: An XML-based representation of collaborative interactions Computer Support for Collaborative Learning: Designing for Change in Networked Learning Environments, pp.379-384, 2003.

B. Lienard, A. Hubaux, C. Carincotte, X. Desurmont, and B. Barrie, On the use of real-time agents in distributed video analysis systems, Real-Time Image Processing 2007, 2007.
DOI : 10.1117/12.704384

H. Lin and A. L. Chen, <title>Motion event derivation and query language for video databases</title>, Storage and Retrieval for Media Databases 2001, pp.208-218, 2001.
DOI : 10.1117/12.410930

D. Liu and C. E. Hughes, Deducing behaviors from primitive movement attributes, Data Mining, Intrusion Detection, Information Assurance, and Data Networks Security 2005, pp.180-189, 2005.
DOI : 10.1117/12.604149

L. Kaufman and J. P. Rousseeuw, Finding groups in data, 1990.
DOI : 10.1002/9780470316801

S. A. Velastin, B. A. Boghossian, L. Lo, B. P. Sun, J. Vicencio-silva et al., PRISMATICA: Toward Ambient Intelligence in Public Transport Environments, IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans, vol.35, issue.1, pp.164-182, 2005.
DOI : 10.1109/TSMCA.2004.838461

F. Cupillard, F. Bremond, and M. Thonnat, Video understanding for metro surveillance, IEEE International Conference on Networking, Sensing and Control, 2004, 2004.
DOI : 10.1109/ICNSC.2004.1297432

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

J. Piater, S. Richetto, and J. Crowley, Event based activity analysis in live video using a generic object tracker, Proceedings of the 3 rd IEEE Workshop on performance evaluation of tracking and surveillance (PETS), 2002.

S. Narayanan, KARMA: Knowledge based Actions Representations for Metaphor and Aspect, PhD Dissertation, 1997.

J. Hobbs, A DAML Ontology of Time

J. Allem and G. Ferguson, Actions and Events in Interval Temporal Logic, Spatial and Temporal Reasoning, pp.205-245, 1997.

F. Bremond, N. Maillot, M. Thonnat, and T. Vu, Ontologies For Video Event, 2004.

B. Georis, F. Bremond, M. Thonnat, and B. Macq, Use of an Evaluation and Diagnosis Method to Improve Tracking Performances, Proceedings of the 3rd IASTED International Conference on Visualization, Imaging and Image Proceeding, 2003.

A. Avanzi, F. Bremond, and M. Thonnat, Tracking multiple individuals for video communication, Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205), pp.379-382, 2001.
DOI : 10.1109/ICIP.2001.958507