• Using Discrete Wavelet Transform to Model Whistle Contours for Dolphin Species Classification 

      López-Otero, Paula; Docío-Fernández, Laura; Cardenal-López, Antonio (M D P I AG, 2018-09-17)
      [Abstract] This work proposes the use of features based on the discrete wavelet transform (DWT) for dolphin species classification. These features are compared with other previously used in the literature, and the experiments ...
    • Equilibrium graphs 

      Cabalar, Pedro; Pérez Ramil, Carlos; Pérez, Gilberto (Springer, 2019)
      [Abstract]: In this paper we present an extension of Peirce’s existential graphs to provide a diagrammatic representation of expressions in Quantified Equilibrium Logic (QEL). Using this formalisation, logical connectives ...
    • Forgetting Auxiliary Atoms in Forks 

      Aguado, Felicidad; Cabalar, Pedro; Fandiño, Jorge; Pearce, David; Pérez, Gilberto; Vidal, Concepción (Elsevier Ltd, 2019)
      [Abstract]: In this work we tackle the problem of checking strong equivalence of logic programs that may contain local auxiliary atoms, to be removed from their stable models and to be forbidden in any external context. ...
    • Using score distributions to compare statistical significance tests for information retrieval evaluation 

      Parapar, Javier; Losada, David E.; Presedo-Quindimil, Manuel-Antonio; Barreiro, Álvaro (Willey, 2019-01-11)
      [Abstract] Statistical significance tests can provide evidence that the observed difference in performance between two methods is not due to chance. In Information Retrieval, some studies have examined the validity and ...
    • Search on speech from spoken queries: the Multi-domain International ALBAYZIN 2018 Query-by-Example Spoken Term Detection Evaluation 

      Tejedor, Javier; Toledano, Doroteo T.; López-Otero, Paula; Docío-Fernández, Laura; Peñagarikano, Mikel; Rodríguez-Fuentes, Luis Javier; Moreno-Sandoval, Antonio (SpringerOpen, 2019-07-19)
      [Abstract] The huge amount of information stored in audio and video repositories makes search on speech (SoS) a priority area nowadays. Within SoS, Query-by-Example Spoken Term Detection (QbE STD) aims to retrieve data ...
    • Minish HAT: A Tool for the Minimization of Here-and-There Logic Programs and Theories in Answer Set Programming 

      Martín Prieto, Rodrigo; Cabalar, Pedro (M D P I AG, 2019-07-31)
      [Abstract] When it comes to the writing of a new logic program or theory, it is of great importance to obtain a concise and minimal representation, for simplicity and ease of interpretation reasons. There are already a few ...
    • Priors for Diversity and Novelty on Neural Recommender Systems 

      Landin, Alfonso; Valcarce, Daniel; Parapar, Javier; Barreiro, Álvaro (M D P I AG, 2019-07-31)
      [Abstract] PRIN is a neural based recommendation method that allows the incorporation of item prior information into the recommendation process. In this work we study how the system behaves in terms of novelty and diversity ...
    • Building High-Quality Datasets for Information Retrieval Evaluation at a Reduced Cost 

      Otero, David; Valcarce, Daniel; Parapar, Javier; Barreiro, Álvaro (M D P I AG, 2019-08-01)
      [Abstract] Information Retrieval is not any more exclusively about document ranking. Continuously new tasks are proposed on this and sibling fields. With this proliferation of tasks, it becomes crucial to have a cheap way ...
    • Revisiting Explicit Negation in Answer Set Programming 

      Aguado, Felicidad; Cabalar, Pedro; Fandiño, Jorge; Pearce, David; Pérez, Gilberto; Vidal, Concepción (Cambridge University Press, 2019-09)
      [Abstract] A common feature in Answer Set Programming is the use of a second negation, stronger than default negation and sometimes called explicit, strong or classical negation. This explicit negation is normally used in ...
    • ALBAYZIN 2018 spoken term detection evaluation: a multi-domain international evaluation in Spanish 

      Tejedor, Javier; Toledano, Doroteo T.; López-Otero, Paula; Docío-Fernández, Laura; Montalvo, Ana R.; Ramírez, José M.; Peñagarikano, Mikel; Rodríguez-Fuentes, Luis Javier (SpringerOpen, 2019-09-02)
      [Abstract] Search on speech (SoS) is a challenging area due to the huge amount of information stored in audio and video repositories. Spoken term detection (STD) is an SoS-related task aiming to retrieve data from a speech ...
    • Novel and Diverse Recommendations by Leveraging Linear Models with User and Item Embeddings 

      Landin, Alfonso; Parapar, Javier; Barreiro, Alvaro (Springer, 2020-04-08)
      [Abstract] Nowadays, item recommendation is an increasing concern for many companies. Users tend to be more reactive than proactive for solving information needs. Recommendation accuracy became the most studied aspect of ...
    • eRisk 2020: autolesiones y desafíos de la depresión 

      Losada, David E.; Crestani, Fabio; Parapar, Javier (Springer, 2020-04-08)
      [Abstract] This paper describes eRisk, the CLEF lab on early risk prediction on the Internet. eRisk started in 2017 as an attempt to set the experimental foundations of early risk detection. Over the last three editions ...
    • Software Support for Discourse-Based Textual Information Analysis: A Systematic Literature Review and Software Guidelines in Practice 

      Martín-Rodilla, Patricia; Sánchez, Miguel (MDPI AG, 2020-05-07)
      [Abstract] The intrinsic characteristics of humanities research require technological support and software assistance that also necessarily goes through the analysis of textual narratives. When these narratives become ...
    • Designing an Open Source Virtual Assistant 

      Pérez, Anxo; López-Otero, Paula; Parapar, Javier (MDPI AG, 2020-08-21)
      [Abstract] A chatbot is a type of agent that allows people to interact with an information repository using natural language. Nowadays, chatbots have been incorporated in the form of conversational assistants on the most ...
    • aspBEEF: Explaining Predictions Through Optimal Clustering 

      Cabalar, Pedro; Martín, Rodrigo; Muñiz, Brais; Pérez, Gilberto (MDPI AG, 2020-08-28)
      [Abstract] In this paper we introduce aspBEEF, a tool for generating explanations for the outcome of an arbitrary machine learning classifier. This is done using Grover’s et al. framework known as Balanced English ...
    • A System for Explainable Answer Set Programming 

      Cabalar, Pedro; Fandinno, Jorge; Muñiz, Brais (Open Publishing Association, 2020-09-19)
      [Abstract] We present xclingo, a tool for generating explanations from ASP programs annotated with text and labels. These annotations allow tracing the application of rules or the atoms derived by them. The input of ...
    • M3DISEEN: A novel machine learning approach for predicting the 3D printability of medicines 

      Elbadawi, Moe; Muñiz, Brais; Gavins, Francesca K.H.; Ong, Jun Jie; Gaisford, Simon; Pérez, Gilberto; Basit, Abdul W; Cabalar, Pedro; Goyanes, Álvaro (Elsevier B.V., 2020-11)
      [Abstract]: Artificial intelligence (AI) has the potential to reshape pharmaceutical formulation development through its ability to analyze and continuously monitor large datasets. Fused deposition modeling (FDM) ...
    • Building Cultural Heritage Reference Collections from Social Media through Pooling Strategies: The Case of 2020’s Tensions Over Race and Heritage 

      Otero, David; Martín-Rodilla, Patricia; Parapar, Javier (2021)
      [Abstract] Social networks constitute a valuable source for documenting heritage constitution processes or obtaining a real-time snapshot of a cultural heritage research topic. Many heritage researchers use social networks ...
    • Multiple-Choice Question Answering Models for Automatic Depression Severity Estimation 

      Gabín, Jorge; Pérez, Anxo; Parapar, Javier (MDPI, 2021)
      [Abstract] Depression is one of the most prevalent mental health diseases. Although there are effective treatments, the main problem relies on providing early and effective risk detection. Medical experts use self-reporting ...
    • Hybrid Intelligence Strategies for Identifying, Classifying and Analyzing Political Bots 

      García Orosa, Berta; Gamallo, Pablo; Martín-Rodilla, Patricia; Martínez-Castaño, Rodrigo (MDPI, 2021)
      [Abstract] Political bots, through astroturfing and other strategies, have become important players in recent elections in several countries. This study aims to provide researchers and the citizenry with the necessary ...