Exploració per tema "Natural language processing (Computer science)"

Ara es mostren els items 1-20 de 270

    • 2D to 3D body pose estimation for sign language with Deep Learning 

      Perez Granero, Pol (Universitat Politècnica de Catalunya, 2020-06)
      Treball Final de Grau
      Accés obert
      This project aims at leveraging the challenge of using 3D poses for Sign Language translation or animation by transforming 2D pose datasets into 3D ones. The goal is, using a 3D dataset of American Sign Language, to train ...

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

      Barrón-Cedeño, Alberto; Lestari Paramita, Monica; Clough, Paul; Rosso, Paolo (Springer, 2014)
      Text en actes de congrés
      Accés obert
      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 declarative control mechanism for parsing within a cooperative framework 

      Díaz de Ilarraza Sánchez, Arantza; Rodríguez Hontoria, Horacio; Verdejo Maillo, Maria Felisa (1990)
      Report de recerca
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
      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 ...

    • A pipeline for large raw text preprocessing and model training of language models at scale 

      Armengol Estapé, Jordi (Universitat Politècnica de Catalunya, 2021-01-25)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Universitat de Barcelona / Universitat Rovira i Virgili
      The advent of Transformer-based (i.e., based on self-attention architectures) language models has revolutionized the entire field of Natural Language Processing (NLP). Once pre-trained on large, unlabelled corpora, we can ...

    • A second-order joint Eisner model for syntactic and semantic dependency parsing 

      Lluis Martorell, Xavier; Bott, Stefan Markus; Màrquez Villodre, Lluís (2009)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      We present a system developed for the CoNLL-2009 Shared Task (Hajic et al., 2009). We extend the Carreras (2007) parser to jointly annotate syntactic and semantic dependencies. This state-of-the-art parser factorizes the ...

    • A Speech-based Dialogue System for Household Robots 

      Pons Rueda, Susana (Universitat Politècnica de Catalunya / Technische Universiteit Delft, 2011)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      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 ...

    • A study on universal language-agnostic sentence embeddings and applications 

      Ribalta Albado, Maria (Universitat Politècnica de Catalunya, 2021-06-28)
      Treball Final de Grau
      Accés obert
      In this project we make a study on universal language agnostic sentence embeddings: internal neural networks sentence representations that are independent with relation to the task and the language. To be more precise, we ...

    • Adding semantic to solve ‘PP attachment’ in Spanish 

      Cuevas Rasgado, Alma Delia; Guzmán Arenas, Adolfo; Juárez Gambino, Joel Omar; Lake Moctezuma, Franz Ludwing; Padró, Lluís (2023)
      Article
      Accés obert
      This paper describes a semantic module called Disambiguator of prepositions (DISPRE) in English, DESambiguador de PREposiciones in Spanish (hereinafter, DESPRE), that solves the prepositional phrase attachment for Spanish, ...

    • ADN-classifier: automatically assigning denotation types to nominalizations 

      Peris, Aina; Taulé, Mariona; Boleda Torrent, Gemma; Rodríguez Hontoria, Horacio (2010)
      Text en actes de congrés
      Accés obert
      This paper presents the ADN-Classifier, an Automatic classification system of Spanish Deverbal Nominalizations aimed at identifying its semantic denotation (i.e. event, result, underspecified, or lexicalized). The classifier ...

    • Advanced Computational Methods for Continuous Integration with Salesforce 

      Bonet Garcia, Genis (Universitat Politècnica de Catalunya, 2022-10-21)
      Treball Final de Grau
      Accés obert
      Aquest projecte segueix el desenvolupament d'un sistema CI/CD per a un equip en un entorn empresarial. S'enfronta i supera el repte de automatitzar els processos per a la plataforma Salesforce e involucra l'ús d'agents de ...

    • AI on software engineering processes 

      Miralles Pena, Carles (Universitat Politècnica de Catalunya, 2018-01)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   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 reflections in 2020 

      Jobin, Anna; Man, Kingson; Damasio, Antonio; Kaissis, Georgios; Braren, Rickmer; Stoyanovich, Julia; Van Bavel, Jay J.; West, Tessa V.; Mittelstadt, Brendt; Eshraghian, Jason; Ruiz Costa-Jussà, Marta; Tzachor, Asaf; Jamjoom, Aimun A. B.; Taddeo, Mariarosaria; Sinibaldi, Edoardo; Hu, Yipeng; Luengo Oroz, Miguel (Springer Nature, 2021-01-19)
      Article
      Accés obert
      We invited authors of selected Comments and Perspectives published in Nature Machine Intelligence in the latter half of 2019 and first half of 2020 to describe how their topic has developed, what their thoughts are about ...

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

      Gil Aguilar, Aleix (Universitat Politècnica de Catalunya, 2019-10)
      Treball Final de Grau
      Accés obert
      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)
      Treball Final de Grau
      Accés obert
      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 ...

    • Alias assignment in information extraction 

      Sapena Masip, Emilio; Padró, Lluís; Turmo Borras, Jorge (-, 2007-01-31)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a general method for alias assignment task in information extraction. We compared two approaches to face the problem and learn a classifier. The first one quantifies a global similarity between the alias ...

    • Aligning textual and graphical descriptions of processes through ILP techniques 

      Sànchez-Ferreres, Josep; Carmona Vargas, Josep; Padró, Lluís (Springer, 2017)
      Comunicació de congrés
      Accés obert
      With the aim of having individuals from different backgrounds and expertise levels examine the operations in an organization, different representations of business processes are maintained. To have these different ...

    • An adaptive gradient-search based algorithm for discriminative training of hmm's 

      Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo; Monte Moreno, Enrique (Robert H. Mannel and Jordi Robert-Ribes, 1998)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Although having revealed to be a very powerful tool in acoustic modelling, discriminative training presents a major drawback: the lack of a formulation guaranteeing convergence in no matter which initial conditions, such ...

    • An analysis of gender bias studies in natural language processing 

      Ruiz Costa-Jussà, Marta (Springer Science and Business Media LLC, 2019-10-14)
      Article
      Accés obert
      Artificial intelligence systems copy and amplify existing societal biases, a problem that by now is widely acknowledged and studied. But is current research of gender bias in natural language processing actually moving ...