Query expansion algorithms based on a new discrete relevance function Carlos Alberto Cobos-Lozada, Eduardo Estevez-Mendoza, Martha Eliana Mendoza-Becerra, Luis Carlos Gómez-Flórez, Elizabeth León-Guzmán 7-20 PDF (Español (España))
Model of a semantic web meta-browser based on a general knowledge taxonomy, a general domain ontology, specific ontologies and user profile Hugo Ordoñez-Eraso, Carlos Alberto Cobos-Lozada, Elizabeth León-Guzmán 23-28 PDF (Español (España))
Distance education and "e-Learning" in the information society: A conceptual review Diana Marcela Cardona-Román, Jenny Marcela Sánchez-Torres 29-52 PDF (Español (España))
Vulnerability, threat and danger to groundwater contamination in the region of Bucaramanga Sully Gómez-Isidro, Feisan José Gutiérrez-Lozano, Carlos Mauricio Torres 52-64 PDF (Español (España))
Approaching the error of network models applied to the forecast of time serie Juan David Velasquez-H. 65-71 PDF (Español (España))
Strategy of sustainability in virtual communities using software guidelines: case study "Virtual community to support the ethnoeducation processes of the indigenous culture of NASA" Roberto Carlos Naranjo, William Ruiz-González 73-85 PDF (Español (España))