Browsing by Subject "Tractament del llenguatge natural (Informàtica)"
Now showing items 1-20 of 255
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2D to 3D body pose estimation for sign language with Deep Learning
(Universitat Politècnica de Catalunya, 2020-06)
Bachelor thesis
Open AccessThis 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
(Springer, 2014)
Conference report
Open AccessWikipedia 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
(2013-12)
Article
Open AccessThis 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 constraint-based hypergraph partitioning approach to coreference resolution
(Universitat Politècnica de Catalunya, 2012-05-16)
Doctoral thesis
Open AccessThe objectives of this thesis are 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 ... -
A declarative control mechanism for parsing within a cooperative framework
(1990)
Research report
Open AccessA 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
(2018)
Conference report
Open AccessIn 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
(2012)
Conference report
Open AccessWe 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 Hybrid Environment for Syntax-Semantic Tagging
(Universitat Politècnica de Catalunya, 1998-02-06)
Doctoral thesis
Open AccessThe thesis describes the application of the relaxation labelling algorithm to NLP disambiguation. Language is modelled through context constraint inspired on Constraint Grammars. The constraints enable the use of a real ... -
A pipeline for large raw text preprocessing and model training of language models at scale
(Universitat Politècnica de Catalunya, 2021-01-25)
Master thesis
Open Access
Covenantee: Universitat de Barcelona / Universitat Rovira i VirgiliThe 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 Speech-based Dialogue System for Household Robots
(Universitat Politècnica de Catalunya / Technische Universiteit Delft, 2011)
Master thesis (pre-Bologna period)
Restricted access - author's decisionThis 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
(Universitat Politècnica de Catalunya, 2021-06-28)
Bachelor thesis
Open AccessIn 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 ... -
Acquiring information extraction patterns from unannotated corpora
(Universitat Politècnica de Catalunya, 2003-07-14)
Doctoral thesis
Open AccessInformation Extraction (IE) can be defined as the task of automatically extracting preespecified kind of information from a text document. The extracted information is encoded in the required format and then can be used, ... -
Adding semantic to solve ‘PP attachment’ in Spanish
(2023)
Article
Open AccessThis 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, ... -
Advanced Computational Methods for Continuous Integration with Salesforce
(Universitat Politècnica de Catalunya, 2022-10-21)
Bachelor thesis
Open AccessAquest 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
(Universitat Politècnica de Catalunya, 2018-01)
Master thesis
Open Access
Covenantee: Universitat de Barcelona / Universitat Rovira i VirgiliDue 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
(Universitat Politècnica de Catalunya, 2019-10)
Bachelor thesis
Open AccessL’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.
(Universitat Politècnica de Catalunya, 2017-06-21)
Bachelor thesis
Open AccessLa 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 ... -
An analysis of gender bias studies in natural language processing
(Springer Science and Business Media LLC, 2019-10-14)
Article
Open AccessArtificial 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 ... -
Analyzing Twitter data to discover gender biases in Spanish politics
(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'EnginyeriaThis 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 ... -
Anàlisi comparativa d'eines i algorismes de Reconeixement d'Entitats Nomenades
(Universitat Politècnica de Catalunya, 2024-01-23)
Bachelor thesis
Restricted access - confidentiality agreement
Covenantee: Grupo Catalana OccidenteAquest estudi se centra en el reconeixement d'entitats nomenades (NER), una tasca essencial en el processament de llenguatge natural (NLP). L'objectiu principal és desenvolupar una solució de reconeixement d'entitats ...
