1. [October 2010] Omar U. Florez and Curtis Dyreson, Mining Rules to Explain Activities in Videos, to appear in 19th ACM Conference on Information and Knowledge Management (CIKM 2010), Toronto, Canada. Acceptance rate: 17.9%.
2. [March 2010] Omar U. Florez, Alexander Ocsa, and Curtis Dyreson, Sublinear Similarity Search of Realistic Timeseries and its Application to Human Motion, in 11th ACM SIGMM International Conference on Multimedia Information Retrieval (MIR 2010), Pennsylvania, USA. Acceptance rate: 16%. (pdf)
3. [April 2009] Omar U. Florez, Xiaojun Qi, and Alexander Ocsa, MOBHRG: Fast K-Nearest Neighbor Search by Overlap Reduction of Hyperspherical Regions, in Proceedings of the 34th International ACM Conference on Acoustics, Speech, and Signal Processing (ICASSP 2009), Taipei, Taiwan.
4. [March 2009] Omar U. Florez and SeungJin Lim, Discovery of Interpretable Time Series in Video Data Through Distribution of Spatiotemporal Gradients, in Proceedings of the 24th Annual ACM Symposium on Applied Computing (ACM SAC 2009), Hawaii, USA. Acceptance rate: 32%. (pdf) (slides)
5. [September 2008] Omar U. Florez and SeungJin Lim, HRG: A Graph Structure for Fast Similarity Search in Metric Spaces, in Proceedings of the 19th International Conference on Database and Expert Systems Applications (DEXA 2008), Turin, Italy. Acceptance rate: 36%. (pdf) (slides)
6. [June 2007] Omar U. Florez and Ernesto Cuadros-Vargas, Improving Human Computer Interaction through Spoken Natural Language, in Proceedings of the IEEE Symposium on Computational Intelligence in Image and Signal Processing, Hawai, USA.
7. [March 2007] Omar U. Florez and Michael G. Hinchey, Asteroid Exploration with Autonomic Systems, a Biologically-inspired approach based on the Immunological System, in Proceedings of the 4th IEEE Workshop on Engineering of Autonomic and Autonomous Systems, Baltimore, USA.
8. [December 2006] Omar U. Florez, Voice2SQL: Hybrid Intelligent System for the recovery of information from databases by means of Spoken Natural Language, in Proceedings of the 2nd International IEEE Conference on Intelligent Information Hiding and Multimedia Signal Processing, California, USA.
9. [August 2006] Omar U. Florez and Ernesto Cuadros-Vargas, A Biologically Motivated Computational Architecture Inspired in the Human Immunological System to Quantify Abnormal Behaviours to Detect Presence of Intruders, in Proceedings of the 19th IFIP World Computer Congress, IFIP International Conference on Biologically Inspired Cooperative Computing (WCC 2006), Santiago, Chile.
10. [August 2006] Omar U. Florez, Jose Mercado Ticona and Yordan Yampi Enciso, Recovery by similarity of shape of fingerprints by means of an indexation in metric space and image enhancement by using Fourier transform, in Proceedings of the 32nd Latin-American Conference on Computer science (CLEI 2006), Santiago, Chile.
11. [February 2006] Omar U. Florez, Quantifying the presence of intruders through software metrics by means of a model based on the Human Immunologic System, in Proceedings of the 5th Ibero-American Conference of Software Engineering and Knowledge Engineering. ISBN: 970-94770-0-5, Puebla, Mexico.

1. [October 2008] Omar U. Florez and SeungJin Lim, A Spoken Natural Language-Based Interface for Querying SQL Databases, in International Journal of Information Technology and Intelligent Computing, Int. J. IT&IC.

[November 2008] Omar U. Florez and SeungJin Lim, Modeling Query Events in Spoken Natural Language for Human-Database Interaction, in Human Computer Interaction: New Developments. Chapter 13, ISBN: 978-3-902613-38-7, InTech Education and Publishing. Vienna, Austria.

Omar U. Florez and SeungJin Lim, Evaluation of Clustering on Self-Organizing Maps, To appear in Self-Organizing Maps, InTech Education and Publishing. ISBN: 978-953-7619-X-X, InTech Education and Publishing.