Browsing by Subject "Tractament del llenguatge natural (Informàtica)"

Now showing items 1-20 of 116

  • A comparison of approaches for measuring cross-lingual similarity of wikipedia articles 

    Barrón-Cedeño, Alberto; Lestari Paramita, Monica; Clough, Paul; Rosso, Paolo (Springer, 2014)
    Conference report
    Open Access
    Wikipedia has been used as a source of comparable texts for a range of tasks, such as Statistical Machine Translation and Cross-Language Information Retrieval. Articles written in different languages on the same topic are ...

  • A Constraint-Based Hypergraph Partitioning Approach to Coreference Resolution 

    Sapena Masip, Emilio; Padró, Lluís; Turmo Borras, Jorge (2013-12)
    Article
    Open Access
    This work is focused on research in machine learning for coreference resolution. Coreference resolution is a natural language processing task that consists of determining the expressions in a discourse that refer to the ...

  • A declarative control mechanism for parsing within a cooperative framework 

    Díaz de Ilarraza Sánchez, Arantza; Rodríguez Hontoria, Horacio; Verdejo Maillo, Maria Felisa (1990)
    External research report
    Open Access
    A control mechanism for dealing with NL processing is presented. The mechanism is implemented in a Natural Language Understanding System developed in the last years. In our approach, control is handled at two abstraction ...

  • 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 graph-based strategy to streamline translation quality assessments 

    Pighin, Daniele; Formiga Fanals, Lluís; Màrquez Villodre, Lluís (2012)
    Conference report
    Open Access
    We present a detailed analysis of a graph- based annotation strategy that we employed to annotate a corpus of 11,292 real-world En- glish to Spanish automatic translations with relative (ranking) and absolute ...

  • AI on software engineering processes 

    Miralles Pena, Carles (Universitat Politècnica de Catalunya, 2018-01)
    Master thesis
    Open Access
    Covenantee:  Universitat de Barcelona / Universitat Rovira i Virgili
    Due to the large quantity of available information as well as the huge computational power achieved today, the application of Artificial Intelligence (AI) in computer programs has become, now more than ever, much popular. ...

  • AI-Vocie: intel·ligència artificial aplicada al reconeixement de la veu 

    Gil Aguilar, Aleix (Universitat Politècnica de Catalunya, 2019-10)
    Bachelor thesis
    Open Access
    L’objectiu d’aquest treball de final de grau és dissenyar i implementar un Altaveu Intel·ligent, Lima, senzill, però pràctic, i que respongui a ordres, simulant la manera de pensar de l’ésser humà. La finalitat és que ...

  • Un algoritme per detectar la relació temporal de dues paraules. 

    Núñez Ruiz, Gerard (Universitat Politècnica de Catalunya, 2017-06-21)
    Bachelor thesis
    Open Access
    La informació sobre la relació temporal entre dues paraules és una informació que nosaltres deduïm del text però és un camp actualment en investigació al nivell d'intel·ligència artificial. Aquest projecte està basat en ...

  • Anàlisi del comerç en línia a partir de l'estudi del client i les seves valoracions 

    Villalobos Guiral, Albert (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Restricted access - confidentiality agreement

  • Anàlisi i similitud d'articles acadèmics utilitzant tècniques de llenguatge natural i xarxes neuronals 

    Botet Colomer, Marc (Universitat Politècnica de Catalunya, 2019-01)
    Bachelor thesis
    Open Access
    This project has reviewed the state of the art in natural language processing in order to extract the similarity between academic papers. In addition, analysis tools have been added in order to study the evolution of the ...

  • Analyzing Twitter data to discover gender biases in Spanish politics 

    Beltrán Jorba, Javier (Universitat Politècnica de Catalunya, 2018-06-27)
    Master thesis
    Open Access
    Covenantee:  Universitat de Barcelona. Facultat de Matemàtiques i Informàtica / Universitat Rovira i Virgili. Escola Tècnica Superior d'Enginyeria
    This work uses Twitter data from Spanish politicians to discover differences in how men and women speak in politics, as well as differences in how men and women politicians are addressed by others. A tool for automatic ...

  • Asistente virtual para estudiantes de la FIB 

    Busqué Somacarrera, Víctor (Universitat Politècnica de Catalunya, 2018-07)
    Bachelor thesis
    Open Access
    Se ha desarrollado un chatbot para la aplicación Telegram capaz de responder a consultas acerca de la facultad usando lenguaje natural. Además el chatbot es capaz de enviar automáticamente mensajes a los usuarios con avisos ...

  • A Speech-based Dialogue System for Household Robots 

    Pons Rueda, Susana (Universitat Politècnica de Catalunya / Technische Universiteit Delft, 2011)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    This thesis studies mechanisms to improve human-robot-interaction through a spoken dialogue for household robots. Therefore, a full dialogue system, in which the semantics of the words play an important role, is ...

  • 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 ...

  • Boosting terminology extraction through crosslingual resources 

    Cajal Mariñosa, Sergio; Rodríguez Hontoria, Horacio (2014-09)
    Article
    Open Access
    Terminology Extraction is an important Natural Language Processing task with multiple applications in many areas. The task has been approached from different points of view using different techniques. Language and domain ...

  • 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 ...

  • Causal Relation Extraction 

    Blanco Villar, Eduardo (Universitat Politècnica de Catalunya, 2007-11-07)
    Master thesis (pre-Bologna period)
    Open Access

  • Channel selection using N-best hypothesis for multi-microphone ASR 

    Wolf, Martin; Nadeu Camprubí, Climent (2013)
    Conference report
    Restricted access - publisher's policy
    If speech is captured by several arbitrarily-located microphones in a room, the degree of distortion by noise and reverberation may vary strongly from one channel to another. Channel selection for automatic speech recognition ...

  • Character-level intra attention networks for natural language inference 

    Yang, Han; Ruiz Costa-Jussà, Marta; Rodríguez Fonollosa, José Adrián (2017)
    Conference lecture
    Open Access
    Natural language inference (NLI) is a central problem in language understand- ing. End-to-end artificial neural networks have reached state-of-the-art performance in NLI field recently. In this paper, we propose Character- ...

  • Chatbol, a chatbot for the Spanish “La Liga” 

    Segura, Carlos; Palau, Alex; Luque, Jordi; Ruiz Costa-Jussà, Marta; Banchs, Rafael E. (Springer, 2019-09-25)
    Article
    Restricted access - publisher's policy
    This work describes the development of a social chatbot for the football domain. The chatbot, named chatbol, aims at answering a wide variety of questions related to the Spanish football league “La Liga”. Chatbol is deployed ...