Browsing by Subject "Natural language processing (Computer science)"
Now showing items 1-20 of 166
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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 declarative control mechanism for parsing within a cooperative framework
(1990)
External 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 second-order joint Eisner model for syntactic and semantic dependency parsing
(2009)
Conference lecture
Restricted access - publisher's policyWe 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
(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 ... -
ADN-classifier: automatically assigning denotation types to nominalizations
(2010)
Conference report
Open AccessThis 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 ... -
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 ... -
Alias assignment in information extraction
(-, 2007-01-31)
Conference report
Restricted access - publisher's policyThis 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
(Springer, 2017)
Conference lecture
Open AccessWith 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
(Robert H. Mannel and Jordi Robert-Ribes, 1998)
Conference lecture
Restricted access - publisher's policyAlthough 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 ... -
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 del comerç en línia a partir de l'estudi del client i les seves valoracions
(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
(Universitat Politècnica de Catalunya, 2019-01)
Bachelor thesis
Open AccessThis 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 ... -
Annotation and representation of a diachronic corpus of Spanish
(2010)
Conference report
Open AccessIn this article we describe two different strategies for the automatic tagging of a Spanish diachronic corpus involving the adaptation of existing NLP tools developed for modern Spanish. In the initial approach we follow ... -
Aprendizaje y asistencia virtual en red
(2011-01-20)
External research report
Open AccessFavorecer el uso de las Tecnologías de Información y la Comunicación (TIC) en entornos educativos puede abarcar varios aspectos del proceso de aprendizaje. La incorporación de TICs en las aulas contribuye, por un lado a ... -
Arabic medical entity tagging using distant learning in a multilingual framework
(Elsevier, 2017-04-30)
Article
Open AccessA semantic tagger aiming to detect relevant entities in Arabic medical documents and tagging them with their appropriate semantic class is presented. The system takes profit of a Multilingual Framework covering four languages ...