Now showing items 1-20 of 88

  • A Client mobile application for Chinese-Spanish statistical machine translation 

    Centelles, Jordi; Ruiz Costa-Jussà, Marta; Banchs Martínez, Rafael Enrique (2014)
    Conference report
    Open Access
    This show and tell paper describes a client mobile application for Chinese-Spanish machine translation. The system combines a standard server-based statistical machine translation (SMT) system, which requires online ...
  • ACÚSTICA (Examen 2n quadrimestre, 2n parcial) 

    Ruiz Costa-Jussà, Marta; Nogueiras Rodríguez, Albino; Esquerra Llucià, Ignasi (Universitat Politècnica de Catalunya, 2016-06-06)
    Exam
    Restricted access to the UPC academic community
  • A Deep source-context feature for lexical selection in statistical machine translation 

    Gupta, Parth; Ruiz Costa-Jussà, Marta; Rosso, Paolo; Banchs Martínez, Rafael Enrique (Elsevier, 2016-05-01)
    Article
    Open Access
    This paper presents a methodology to address lexical disambiguation in a standard phrase-based statistical machine translation system. Similarity among source contexts is used to select appropriate translation units. The ...
  • A differentiable BLEU loss. Analysis and first results 

    Casas Manzanares, Noé; Rodríguez Fonollosa, José Adrián; Ruiz Costa-Jussà, Marta (2018)
    Conference report
    Open Access
    In natural language generation tasks, like neural machine translation and image captioning, there is usually a mismatch between the optimized loss and the de facto evaluation criterion, namely token-level maximum likelihood ...
  • A MOOC on approaches to machine translation 

    Ruiz Costa-Jussà, Marta; Formiga, Lluís; Torrillas Tostado, Oriol; Petit Silvestre, Jordi; Rodríguez Fonollosa, José Adrián (2015-12-10)
    Article
    Open Access
    This paper describes the design, development, and analysis of a MOOC entitled “Approaches to Machine Translation: Rule-based, statistical and hybrid”, and provides lessons learned and conclusions to be taken into account ...
  • A neural approach to language variety translation 

    Ruiz Costa-Jussà, Marta; Zampieri, Marcos; Pal, Santanu (Association for Computational Linguistics, 2018)
    Conference lecture
    Restricted access - publisher's policy
    In this paper we present the first neural-based machine translation system trained to translate between standard national varieties of the same language. We take the pair Brazilian - European Portuguese as an example and ...
  • An IR-based strategy for supporting Chinese-Portuguese translation services in off-line model 

    Centelles, Jordi; Ruiz Costa-Jussà, Marta; Banchs Martínez, Rafael Enrique; Gelbukh, Alexander (2014-04-01)
    Article
    Restricted access - publisher's policy
    This paper describes an Information Retrieval engine that is used to support our Chinese-Portuguese machine translation services when no internet connection is available. Our mobile translation app, which is deployed on ...
  • An Ngram-based reordering model 

    Ruiz Costa-Jussà, Marta; Rodríguez Fonollosa, José Adrián (Elsevier, 2009-07)
    Article
    Restricted access - publisher's policy
    This paper describes in detail a novel approach to the reordering challenge in statistical machine translation (SMT). This Ngram-based reordering (NbR) approach uses the powerful techniques of SMT systems to generate a ...
  • A non-linear semantic mapping technique for cross-language sentence matching 

    Banchs Martínez, Rafael Enrique; Ruiz Costa-Jussà, Marta (2010-08-01)
    Article
    Restricted access - publisher's policy
  • An overview of the phrase-based statistical machine translation techniques 

    Ruiz Costa-Jussà, Marta (2012-12-01)
    Article
    Restricted access - publisher's policy
  • A Richly annotated, multilingual parallel corpus for hybrid machine translation 

    Avramidis, Elefterios; Ruiz Costa-Jussà, Marta; Federmann, Christian; Melero, Maite; Pecina, Pavel; Van Genabith, Josef (European Language Resources Association (ELRA), 2012)
    Conference report
    Open Access
    In recent years, machine translation (MT) research has focused on investigating how hybrid machine translation as well as system combination approachescan bedesigned so that theresulting hybrid translationsshow an improvement ...
  • Automatic and human evaluation study of a rule-based and a statistical Catalan-Spanish machine translation systems 

    Ruiz Costa-Jussà, Marta; Farrús Cabeceran, Mireia; Mariño Acebal, José Bernardo; Rodríguez Fonollosa, José Adrián (2011)
    Conference report
    Open Access
    Machine translation systems can be classified into rule-based and corpus-based approaches, in terms of their core technology. Since both paradigms have largely been used during the last years, one of the aims in the ...
  • Automatic evaluation for E-Learning using latent semantic analysis: A use case 

    Farrus, Mireia; Ruiz Costa-Jussà, Marta (2013-03-01)
    Article
    Open Access
    Assessment in education allows for obtaining, organizing, and presenting information about how much and how well the student is learning. The current paper aims at analysing and discussing some of the most state-of-the-art ...
  • Automatic evaluation of continuous assessment tests 

    Farrus, Mireia; Ruiz Costa-Jussà, Marta; Cobo, German; García Solórzano, David; Villarejo Muñóz, Luis; Banchs, Rafael E. (2010-12-01)
    Part of book or chapter of book
    Open Access
  • Automatic normalization of short texts by combining statistical and rule-based techniques 

    Ruiz Costa-Jussà, Marta; Banchs, Rafael E. (2013-03-01)
    Article
    Open Access
    Short texts are typically composed of small number of words, most of which are abbreviations, typos and other kinds of noise. This makes the noise to signal ratio relatively high for this specific category of text. A high ...
  • BERT masked language modeling for co-reference resolution 

    Alfaro, Felipe; Ruiz Costa-Jussà, Marta; Rodríguez Fonollosa, José Adrián (2019)
    Conference report
    Open Access
    This paper explains the TALP-UPC participation for the Gendered Pronoun Resolution shared-task of the 1st ACL Workshop on Gender Bias for Natural Language Processing. We have implemented two models for mask language modeling ...
  • Bridging deep and kernel methods 

    Belanche Muñoz, Luis Antonio; Ruiz Costa-Jussà, Marta (2017)
    Conference report
    Restricted access - publisher's policy
    There has been some exciting major progress in recent years in data analysis methods, including a variety of deep learning architectures, as well as further advances in kernel-based learning methods, which have demonstrated ...
  • BUCEADOR, a multi-language search engine for digital libraries 

    Adell Mercado, Jordi; Bonafonte Cávez, Antonio; Cardenal, Antonio; Ruiz Costa-Jussà, Marta; Rodríguez Fonollosa, José Adrián; Moreno Bilbao, M. Asunción; Navas, Eva; Rodríguez Banga, Eduardo (2012)
    Conference lecture
    Open Access
    This paper presents a web-based multimedia search engine built within the Buceador (www.buceador.org) research project. A proof-of-concept tool has been implemented which is able to retrieve information from a digital ...
  • Byte-based neural machine translation 

    Ruiz Costa-Jussà, Marta; Escolano Peinado, Carlos; Rodríguez Fonollosa, José Adrián (Association for Computational Linguistics, 2017)
    Conference report
    Open Access
    This paper presents experiments compar- ing character-based and byte-based neural machine translation systems. The main motivation of the byte-based neural ma- chine translation system is to build multi- lingual neural ...
  • Character-based neural machine translation 

    Ruiz Costa-Jussà, Marta; Rodríguez Fonollosa, José Adrián (2016)
    Conference lecture
    Open Access
    Neural Machine Translation (MT) has reached state-of-the-art results. However, one of the main challenges that neural MT still faces is dealing with very large vocabularies and morphologically rich languages. In this paper, ...