Currently working on natural language processing, Reverb (Open Information Extraction Software), Weka (environment for knowledge analysis from the University of Waikato), data mining and text, metaheuristics, large collections of documents, verification of originality documents, quality of delivery information, etc. Among other interests also we found:

Semantic text categorization
Clustering bio-inspired
Quality web information
Plagiarism Detection
Detection of sexual predators
Author Profiles
Web security