Impactos ambientales y operativos al instalar válvulas de compensación de aire en tractocamiones en Colombia

Mejora de Contraste y Compensación en Cambios de la Iluminación

In this paper a contrast operator built by means of two primitives involving Weber’s Law is presented. The proposed contrast mapping has two objectives, in the first place the contrast enhancement and in the second, the normalization of the processed image. The contrast enhancement is based on the image background detection; this parameter is computed through the analysis of the regional minimu...

Comparación y combinación de los sistemas de traducción automática basados en n-gramas y en sintaxis

In this paper we shall compare two approaches to machine translation: the Syntax Augmented Machine Translation system (SAMT), which is a syntaxdriven translation system, underlain by phrase-based model, and the n-gram-based Statistical Machine Translation (SMT), in which a translation process is based on statistical modeling of the bilingual context. We provide a step-by-step comparison of the ...

Sur la frequence de leptospirose en Iran

La subjetivización del de que en el español de Colombia

This paper deals with the phenomenon known as dequeísmo in Spanish, in particular with the semantic differences between canonical sentences with que and dequeísta sentences. I analyze previous corpus studies of dequeísmo, test their predictions with an independent corpus of spoken Colombian Spanish, and finally carry out a logistic regression to test new possible parameters that might influence...

Aplicación de técnicas basadas en PLN al tratamiento de preguntas médicas en Búsqueda de Respuestas

Nowadays, there is an increasing interest in research on QA over restricted domains. Concretely, in this paper we will show the process of question analysis in our medical QA system. In this system we combine the use of NLP techniques and the UMLS Metathesaurus as knowledge source. The main NLP technique is the use of logic forms and the pattern matching technique in this question analysis perf...