91 citations · 608 across the 41 of their papers we have counts for
4 papers · 2 filters
W2VLDA: Almost Unsupervised System for Aspect Based Sentiment Analysis
Aitor García-Pablos, Montse Cuadros, German Rigau
With the increase of online customer opinions in specialised websites and social networks, the necessity of automatic systems to help to organise and classify customer reviews by d…
Q-WordNet PPV: Simple, Robust and (almost) Unsupervised Generation of Polarity Lexicons for Multiple Languages
Iñaki San Vicente, Rodrigo Agerri, German Rigau
This paper presents a simple, robust and (almost) unsupervised dictionary-based method, qwn-ppv (Q-WordNet as Personalized PageRanking Vector) to automatically generate polarity le…
Multilingual and Cross-lingual Timeline Extraction
Egoitz Laparra, Rodrigo Agerri, Itziar Aldabe +1
In this paper we present an approach to extract ordered timelines of events, their participants, locations and times from a set of multilingual and cross-lingual data sources. Base…
Robust Multilingual Named Entity Recognition with Shallow Semi-Supervised Features
Rodrigo Agerri, German Rigau
We present a multilingual Named Entity Recognition approach based on a robust and general set of features across languages and datasets. Our system combines shallow local informati…