Exploració per autor "Màrquez Villodre, Lluís"
Ara es mostren els items 16-35 de 46
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Exploiting diversity of margin-based classifiers
Romero Merino, Enrique; Carreras Pérez, Xavier; Màrquez Villodre, Lluís (2003-12)
Report de recerca
Accés obertAn experimental comparison among Support Vector Machines, AdaBoost and a recently proposed model for maximizing the margin with Feed-forward Neural Networks has been made on a real-world classification problem, namely ... -
Hybrid machine translation guided by a rule-based system
España Bonet, Cristina; Màrquez Villodre, Lluís; Labaka, Gorka; Díaz de Ilarraza Sánchez, Arantza; Sarasola Gabiola, Kepa (2011)
Comunicació de congrés
Accés obertThis paper presents a machine translation architecture which hybridizes Matxin, a rulebased system, with regular phrase-based Statistical Machine Translation. In short, the hybrid translation process is guided by the ... -
Identifying useful human correction feedback from an on-line machine translation service
Barrón-Cedeño, Alberto; Màrquez Villodre, Lluís; Henríquez Quintana, Carlos Alberto; Formiga Fanals, Lluís; Romero Merino, Enrique; May, Jonathan (2013)
Text en actes de congrés
Accés obertPost-editing feedback provided by users of on-line translation services offers an excellent opportunity for automatic improvement of statistical machine translation (SMT) systems. However, feedback provided by casual users ... -
Identifying useful human feedback from an on-line translation service
Barrón-Cedeño, Alberto; Màrquez Villodre, Lluís; Henríquez Quintana, Carlos Alberto; Formiga Fanals, Lluís; Romero Merino, Enrique; May, Jonathan (2013)
Comunicació de congrés
Accés obertPost-editing feedback provided by users of on-line translation services offers an excellent opportunity for automatic improvement of statistical machine translation (SMT) systems. However, feedback provided by casual ... -
IPA and STOUT: leveraging linguistic and source-based features for machine translation evaluation
González Bermúdez, Meritxell; Barrón-Cedeño, Alberto; Màrquez Villodre, Lluís (Association for Computational Linguistics, 2014)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper describes the UPC submissions to the WMT14 Metrics Shared Task : UPC-IPA and UPC-STOUT. These metrics use a collection of evaluation measures integrated in ASIYA, a toolkit for machine translation evaluation. ... -
Joint arc-factored parsing of syntactic and semantic dependencies
Lluis Martorell, Xavier; Carreras Pérez, Xavier; Màrquez Villodre, Lluís (2013-05)
Article
Accés restringit per política de l'editorialIn this paper we introduce a joint arc-factored model for syntactic and semantic dependency parsing. The semantic role labeler predicts the full syntactic paths that connect predicates with their arguments. This process ... -
Lenguajes, gramáticas y autómatas : curso básico
Cases Muñoz, Rafel; Màrquez Villodre, Lluís (Edicions UPC, 2001)
Llibre
Accés restringit a la comunitat UPCEl objeto de este libro es servir de soporte a un curso de introducción a la informática teórica, dirigido a estudiantes de primer ciclo de ingeniería. Aborda los temas de lenguajes regulares e incontextuales y expone sus ... -
Linguistic measures for automatic machine translation evaluation
Giménez Linares, Jesús Ángel; Màrquez Villodre, Lluís (2010-12)
Article
Accés restringit per política de l'editorialAssessing the quality of candidate translations involves diverse linguistic facets. However, most automatic evaluation methods in use today rely on limited quality assumptions, such as lexical similarity. This introduces ... -
Llenguatges, gramàtiques i autòmats : curs bàsic
Cases Muñoz, Rafel; Màrquez Villodre, Lluís (Edicions UPC, 2000)
Llibre
Accés restringit a la comunitat UPCL'objecte d'aquest llibre és servir de suport a un curs d'introducció a la informàtica teòrica, adreçat a estudiants de primer curs d'enginyeria. Cobreix els temes de llenguatges regulars i incontextuals. N'exposa els ... -
Llenguatges, gramàtiques i autòmats : curs bàsic
Cases Muñoz, Rafel; Màrquez Villodre, Lluís (Edicions UPC, 2003)
Llibre
Accés restringit a la comunitat UPCL'objecte d'aquest llibre és servir de suport a un curs d'introducció a la informàtica teòrica, adreçat a estudiants de primer curs d'enginyeria. Cobreix els temes de llenguatges regulars i incontextuals. N'exposa els ... -
Machine learning and natural language processing
Màrquez Villodre, Lluís (2000-07)
Report de recerca
Accés obertIn this report, some collaborative work between the fields of Machine Learning (ML) and Natural Language Processing (NLP) is presented. The document is structured in two parts. The first part includes a superficial but ... -
Margin maximization with feed-forward neural networks: a comparative study with support vector machines and AdaBoost
Romero Merino, Enrique; Màrquez Villodre, Lluís; Carreras Pérez, Xavier (2003-06)
Report de recerca
Accés obertFeed-forward Neural Networks (FNN) and Support Vector Machines (SVM) are two machine learning frameworks developed from very different starting points of view. In this work a new learning model for FNN is proposed such ... -
Mètode de determinació d'àmbits de quantificació en un entorn de representació semàntica de frases en llenguatge natural
Màrquez Villodre, Lluís (1994)
Report de recerca
Accés obertEl present treball descriu un sistema de reescriptura, basat en el proposat per Patrick Saint-Dizier l'any 1985, que permet reordenar el rang dels quantificadors introduïts pels determinants que apareixen en frases de ... -
MT techniques in a retrieval system of semantically enriched patents
González Bermúdez, Meritxell; Mateva, Maria; Enache, Ramona; España Bonet, Cristina; Màrquez Villodre, Lluís; Popov, Borislav; Ranta, Aarne (2013)
Comunicació de congrés
Accés obertThis paper focuses on how automatic translation techniques integrated in a patent retrieval system increase its capabilities and make possible extended features and functionalities. We describe 1) a novel methodology ... -
Naive Bayes and exemplar-based approaches to word sense disambiguation revisited
Escudero Bakx, Gerard; Màrquez Villodre, Lluís; Rigau Claramunt, German (2000-02)
Report de recerca
Accés obertThis 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)
Report de recerca
Accés obertThis 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 ... -
Patent translation within the MOLTO project
España Bonet, Cristina; Enache, Ramona; Slaski, Adam; Ranta, Aarne; Màrquez Villodre, Lluís; González Bermúdez, Meritxell (2011)
Comunicació de congrés
Accés obertMOLTO is an FP7 European project whose goal is to translate texts between multiple languages in real time with high quality. Patents translation is a case of study where research is focused on simultaneously obtaining a ... -
Projective dependency parsing with perceptron
Carreras Pérez, Xavier; Surdeanu, Mihai; Màrquez Villodre, Lluís (2010)
Text en actes de congrés
Accés obertWe describe an online learning dependency parser for the CoNLL-X Shared Task, based on the bottom-up projective algorithm of Eisner (2000). We experiment with a large feature set that models: the tokens involved in ... -
Real-life translation quality estimation for MT system selection
Formiga Fanals, Lluís; Màrquez Villodre, Lluís; Pujantell Traserra, Jaume (2013)
Comunicació de congrés
Accés obertResearch on translation quality annotation and estimation usually makes use of standard language, sometimes related to a specific language genre or domain. However, real-life machine translation (MT), performed for instance ... -
Robust Estimation of Feature Weights in Statistical Machine Translation
España Bonet, Cristina; Màrquez Villodre, Lluís (2010)
Comunicació de congrés
Accés obertWeights of the various components in a standard Statistical Machine Translation model are usually estimated via Minimum Error Rate Training. With this, one finds their optimum value on a development set with the ...