Now showing items 1-20 of 25

  • Acquisition of lexical translation relations from MRDs 

    Copestake, Ann; Briscoe, Ted; Vossen, Piek; Ageno Pulido, Alicia; Castellón Masalles, Irene; Ribas Framis, Francesc; Rigau Claramunt, German; Rodríguez Hontoria, Horacio; Samiotou, Anna (1994-09)
    External research report
    Open Access
    In this paper we present a methodology for extracting information about lexical translation equivalences from the machine readable versions of conventional dictionaries (MRDs), and describe a series of experiments on ...
  • An Experiment on automatic semantic tagging of dictionary senses 

    Rigau Claramunt, German (1995-06)
    External research report
    Open Access
    We present a methodology to enrich a dictionary sense with semantic tags. The method relies on the use of a wide-coverage noun taxonomy and the notion of conceptual distance among concepts. Some experimental results about ...
  • A Proposal for word sense disambiguation using conceptual distance 

    Agirre, Eneko; Rigau Claramunt, German (1996-02-01)
    External research report
    Open Access
    This paper presents a method for the resolution of lexical ambiguity and its automatic evaluation over the Brown Corpus. The method relies on the use of the wide-coverage noun taxonomy of WordNet and the notion of ...
  • Automatic acquisition of sense examples using Exretriever 

    Fernández, Juan; Castillo Valdés, Mauro; Rigau Claramunt, German; Atserias Batalla, Jordi; Tormo, Jordi (2004)
    Conference report
    Open Access
    A current research line for word sense disambiguation (WSD) focuses on the use of supervised machine learning techniques. One of the drawbacks of using such techniques is that previously sense annotated data is required. ...
  • Automatically extracting translation links using a wide coverage semantic taxonomy 

    Rigau Claramunt, German; Rodríguez Hontoria, Horacio; Turmo Borras, Jorge (1995-01-01)
    External research report
    Open Access
    TGE (Tlink Generator Environment) is a system for semi-automatically extracting translation links. The system was developed within the ACQUILEX II project as a tool for supporting the construction of a multi-lingual lexical ...
  • Bases de conocimiento multilíngües para el procesamiento semántico a gran escala 

    Cuadros Oller, Montserrat; Rigau Claramunt, German (2008-04)
    Article
    Open Access
    Este artículo presenta el resultado del estudio de un amplio conjunto de bases de conocimiento multilingües actualmente disponibles que pueden ser de interés para un gran número de tareas de procesamiento semántico a gran ...
  • Boosting applied to word sense disambiguation 

    Escudero Bakx, Gerard; Màrquez Villodre, Lluís; Rigau Claramunt, German (2000-01)
    External research report
    Open Access
    In this paper we apply Schapire and Singer's AdaBoost.MH boosting algorithm to the Word Sense Disambiguation (WSD) problem. Initial experiments on a set of 15 selected polysemous words show that the boosting approach ...
  • Combining Wikipedia and WordNet for improving domain terms compilation 

    Vivaldi, Jorge; Rodríguez Hontoria, Horacio; Rigau Claramunt, German (2013)
    External research report
    Open Access
    Domain terms are a useful mean for tuning both resources and NLP processors to domain specific tasks. This paper proposes an improved method for obtaining terms from potentially any domain using the Wikipedia graph structure ...
  • Evaluating large-scale knowledge resources across languages 

    Cuadros Oller, Montserrat; Rigau Claramunt, German; Castillo Valdés, Mauro (2007)
    Conference report
    Open Access
    This paper presents an empirical evaluation in a multilingual scenario of the semantic knowledge present on publicly available large-scale knowledge resources. The study covers a wide range of manually and automatically ...
  • Experiments on applying relaxation labeling to map multilingual hierarchies 

    Daude Ventura, Jordi; Padró, Lluís; Rigau Claramunt, German (1999-02)
    External research report
    Open Access
    This paper explores the automatic construction of a multilingual Lexical Knowledge Base from preexisting lexical resources. This paper presents a new approach for linking already existing hierarchies. The Relaxation ...
  • Highlighting relevant concepts from Topic Signatures 

    Cuadros Oller, Montserrat; Padró, Lluís; Rigau Claramunt, German (2012)
    Conference report
    Open Access
    This paper presents deepKnowNet, a new fully automatic method for building highly dense and accurate knowledge bases from existing semantic resources. Basically, the method applies a knowledge-based Word Sense Disambiguation ...
  • Integrating a large domain ontology of species into WordNet 

    Cuadros Oller, Montserrat; Laparra, Egoitz; Rigau Claramunt, German; Vossen, Piek; Bosma, Wauter (2010)
    Conference report
    Restricted access - publisher's policy
    With the proliferation of applications sharing information represented in multiple ontologies, the development of automatic methods for robust and accurate ontology matching will be crucial to their success. Connecting and ...
  • KNOW: Developing large-scale multilingual technologies for language understanding 

    Agirre, Eneko; Rigau Claramunt, German; Castellón, Irene; Alonso, Laura; Padró, Lluís; Cuadros Oller, Montserrat; Climent Roca, Salvador; Coll-Florit, Marta (2009-09)
    Article
    Open Access
    El proyecto KNOW pretende añadir significado, conocimiento y razonamiento a las tecnologías actuales de Procesamiento del Lenguaje Natural.
  • KnowNet: A proposal for building highly connected and dense knowledge bases from the web 

    Cuadros Oller, Montserrat; Rigau Claramunt, German (2008)
    Conference report
    Open Access
    This paper presents a new fully automatic method for building highly dense and accurate knowledge bases from existing semantic resources. Basically, the method uses a wide-coverage and accurate nowledge-based Word Sense ...
  • KnowNet: building a large net of knowledge from the web 

    Cuadros Oller, Montserrat; Rigau Claramunt, German (2008)
    Conference report
    Open Access
    This paper presents a new fully automatic method for building highly dense and accurate knowledge bases from existing semantic resources. Basically, the method uses a wide-coverage and accurate knowledge-based Word Sense ...
  • LDB/LKB integration 

    Rigau Claramunt, German; Rodríguez Hontoria, Horacio; Turmo Borras, Jorge (1994-08)
    External research report
    Open Access
    The Lexical Data Base (LDB) and the Lexical Knowledge Base (LKB) have played, as software systems, a core role within Acquilex I Esprit 3030 project. Main limitations were derived from the fact that the LDB and the LKB are ...
  • Linking a domain thesaurus to WordNet and conversion to WordNet-LMF 

    Toral, Antonio; Monachini, Monica; Soria, Claudia; Cuadros Oller, Montserrat; Rigau Claramunt, German; Bosma, Wauter; Vossen, Piek (2010)
    Conference report
    Open Access
    We present a methodology to link domain thesauri to general-domain lexica. This is applied in the framework of the KYOTO project to link the Species2000 thesaurus to the synsets of the English WordNet. Moreover, we ...
  • Multilingual evaluation of KnowNet 

    Cuadros Oller, Montserrat; Rigau Claramunt, German (2008)
    Article
    Open Access
    Este artículo presenta un nuevo método totalmente automático de construcción de bases de conocimiento muy densas y precisas a partir de recursos semánticos preexistentes. Básicamente, el método usa un algoritmo de ...
  • Naive Bayes and exemplar-based approaches to word sense disambiguation revisited 

    Escudero Bakx, Gerard; Màrquez Villodre, Lluís; Rigau Claramunt, German (2000-02)
    External research report
    Open Access
    This paper describes an experimental comparison between two standard supervised learning methods, namely Naive Bayes and Exemplar--based classification, on the Word Sense Disambiguation (WSD) problem. The aim of the ...
  • On the portability and tuning of supervised word sense disambiguation systems 

    Escudero Bakx, Gerard; Màrquez Villodre, Lluís; Rigau Claramunt, German (2000-05)
    External research report
    Open Access
    This report describes a set of experiments carried out to explore the portability of alternative supervised Word Sense Disambiguation algorithms. The aim of the work is threefold: firstly, studying the performance of these ...