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Artículo
Tweet categorization by combining content and structural knowledge
(Elsevier, 2016)
Twitter is a worldwide social media platform where millions of people frequently express ideas and opinions about any topic. This widespread success makes the analysis of tweets an interesting and possibly lucrative task, ...
Artículo
La Combinación de Sistemas y el PLN
(Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN), 2010)
La combinación de sistemas constituye un área de investigación ampliamente estudiada en el ámbito del Reconocimiento de Patrones, en donde se han desarrollado múltiples técnicas para aprovechar la diversidad de métodos de ...
Artículo
Propagation of trust and distrust for the detection of trolls in a social network
(Elsevier, 2012)
Trust and Reputation Systems constitute an essential part of many social networks due to the great expansion of these on-line communities in the past few years. As a consequence of this growth, some users try to disturb ...
Artículo
PolarityRank: Finding an equilibrium between followers and contraries in a network
(Elsevier, 2012)
In this paper we present the relevance ranking algorithm named PolarityRank. This algorithm is inspired in PageRank, the webpage relevance calculus method used by Google, and generalizes it to deal with graphs having not ...
Artículo
PolaritySpam: Propagating Content-based Information Through a Web-Graph to Detect Web Spam
(ICIC International, 2012)
Spam web pages have become a problem for Information Retrieval systems due to the negative effects that this phenomenon can cause in their results. In this work we tackle the problem of detecting these pages with a ...
Artículo
A modular approach for lexical normalization applied to Spanish tweets
(Elsevier, 2015)
Twitter is a social media platform with widespread success where millions of people continuously express ideas and opinions about a myriad of topics. It is a huge and interesting source of data but most of these texts ...
Artículo
ML-SentiCon: Un lexicón multilingüe de polaridades semánticas a nivel de lemas
(Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN), 2014)
En este trabajo presentamos un conjunto de lexicones de polaridades semánticas a nivel de lemas para inglés, español, catalán, gallego y euskera. Estos lexicones están estructurados en capas, lo que permite seleccionar ...
Artículo
Enriching User Reviews Through An Opinion Extraction System
(Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN), 2015)
Web sites based on User-Generated Content (UGC) have a potentially valuable applicability in a number of elds. In this work we carry out a study of the usefulness of these systems from the point of view of detecting the ...