Juan Antonio Ortega

Orcid: 0000-0001-9095-7241

Affiliations:
  • University of Seville, Seville, Spain


According to our database1, Juan Antonio Ortega authored at least 116 papers between 1998 and 2024.

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Bibliography

2024
Data Mining Techniques for Endometriosis Detection in a Data-Scarce Medical Dataset.
Algorithms, March, 2024

2023
Assessing the Feasibility of Replacing Subjective Questionnaire-Based Sleep Measurement with an Objective Approach Using a Smartwatch.
Sensors, July, 2023

Validating Force Sensitive Resistor Strip Sensors for Cardiorespiratory Measurement during Sleep: A Preliminary Study.
Sensors, 2023

Experiment design for Stress data collection while driving in a simulator.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 27th International Conference KES-2023, 2023

Performance improvement of cardiorespiratory measurements using pressure sensors with mechanical coupling techniques.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 27th International Conference KES-2023, 2023

Definition of Emotional States Interval for Application of Artificial Intelligence and Stress Estimation.
Proceedings of the Applications in Electronics Pervading Industry, Environment and Society, 2023

Oral Health Phenotype of Postmenopausal Women Using AI.
Proceedings of the Applications in Electronics Pervading Industry, Environment and Society, 2023

2022
Estimation of Sleep Stages Analyzing Respiratory and Movement Signals.
IEEE J. Biomed. Health Informatics, 2022

Initial evaluation of substituting a sleep diary by smartwatch measurement.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 26th International Conference KES-2022, 2022

Main requirements of end-to-end deep learning models for biomedical time series classification in healthcare environments.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 26th International Conference KES-2022, 2022

2021
Non-invasive devices for respiratory sound monitoring.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 25th International Conference KES-2021, 2021

Extrapolation of weight from smart scale data.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 25th International Conference KES-2021, 2021

Evaluating Body Movement and Breathing Signals for Identification of Sleep/Wake States.
Proceedings of the Applications in Electronics Pervading Industry, Environment and Society, 2021

2020
Can Virtual Reality be used as a significant stressor for studies using ECG?
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 24th International Conference KES-2020, 2020

A portable ECG for recording and flexible development of algorithms and stress detection.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 24th International Conference KES-2020, 2020

Non-obtrusive system for overnight respiration and heartbeat tracking.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 24th International Conference KES-2020, 2020

Comparison of sleep characteristics measurements: a case study with a population aged 65 and above.
Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 24th International Conference KES-2020, 2020

A Proposal to Evolving Towards Digital Twins in Healthcare.
Proceedings of the Bioinformatics and Biomedical Engineering, 2020

RR interval analysis for the distinction between stress, physical activity and no activity using a portable ECG.
Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

Embedded system for non-obtrusive sleep apnea detection<sup>*</sup>.
Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

A Comparison of Objective and Subjective Sleep Quality Measurement in a Group of Elderly Persons in a Home Environment.
Proceedings of the Applications in Electronics Pervading Industry, Environment and Society, 2020

2019
Home Hospital e-Health Centers for Barrier-Free and Cross-Border Telemedicine.
Proceedings of the Intelligent Decision Technologies 2019, 2019

Recognition of Sleep/Wake States analyzing Heart Rate, Breathing and Movement Signals.
Proceedings of the 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2019

Towards a Healthcare Digital Twin.
Proceedings of the Artificial Intelligence Research and Development, 2019

2018
Energy policies for data-center monolithic schedulers.
Expert Syst. Appl., 2018

Sensor-Mesh-Based System with Application on Sleep Study.
Proceedings of the Bioinformatics and Biomedical Engineering, 2018

2017
Thematic issue on human-centred ambient intelligence: Cognitive approaches, reasoning and learning.
J. Ambient Intell. Smart Environ., 2017

A Sensor Grid for Pressure and Movement Detection Supporting Sleep Phase Analysis.
Proceedings of the Bioinformatics and Biomedical Engineering, 2017

2016
Learning in mobility with Context4Learning: developing a context-aware mobile learning application.
Int. J. Mob. Learn. Organisation, 2016

Detecting the adherence of driving rules in an energy-efficient, safe and adaptive driving system.
Expert Syst. Appl., 2016

2015
Low Energy Physical Activity Recognition System on Smartphones.
Sensors, 2015

Energy wasting at internet data centers due to fear.
Pattern Recognit. Lett., 2015

Advertising Liking Recognition Technique Applied to Neuromarketing by Using Low-Cost EEG Headset.
Proceedings of the Bioinformatics and Biomedical Engineering, 2015

Heart Rate Variability Indicating Stress Visualized by Correlations Plots.
Proceedings of the Bioinformatics and Biomedical Engineering, 2015

2014
Discrete techniques applied to low-energy mobile human activity recognition. A new approach.
Expert Syst. Appl., 2014

Software reference architecture for smart environments: Perception.
Comput. Stand. Interfaces, 2014

Stress Determent via QRS Complex Detection, Analysis and Pre-processing.
Proceedings of the Mobile Networks for Biometric Data Analysis, 2014

Using an Improved Rule Match Algorithm in an Expert System to Detect Broken Driving Rules for an Energy-efficiency and Safety Relevant Driving System.
Proceedings of the 18th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, 2014

Fear Assessment: Why data center servers should be turned off.
Proceedings of the Artificial Intelligence Research and Development, 2014

2013
Measures of Similarity Between Objects Based on Qualitative Shape Descriptions.
Spatial Cogn. Comput., 2013

A study on output normalization in multiclass SVMs.
Pattern Recognit. Lett., 2013

An adaptive methodology to discretize and select features.
Artif. Intell. Res., 2013

Activity Recognition System Using Non-intrusive Devices through a Complementary Technique Based on Discrete Methods.
Proceedings of the Evaluating AAL Systems Through Competitive Benchmarking, 2013

2012
Application of Things: A Step beyond Web of Things.
Proceedings of the Modern Advances in Intelligent Systems and Tools, 2012

ICTD Work, Plus mFeel.
IEEE Pervasive Comput., 2012

Outdoor exit detection using combined techniques to increase GPS efficiency.
Expert Syst. Appl., 2012

A similarity measure between videos using alignment, graphical and speech features.
Expert Syst. Appl., 2012

Online motion recognition using an accelerometer in a mobile device.
Expert Syst. Appl., 2012

Evaluating decision-making performance in a grid-computing environment using DEA.
Expert Syst. Appl., 2012

Smart scheduling for saving energy in grid computing.
Expert Syst. Appl., 2012

A model for the qualitative description of images based on visual and spatial features.
Comput. Vis. Image Underst., 2012

Performance Improvement Using Adaptive Learning Itineraries.
Comput. Intell., 2012

The CICA GRID - A Cloud Computing Infrastructure on Demand with Open Source Technologies.
Proceedings of the ICEIS 2012 - Proceedings of the 14th International Conference on Enterprise Information Systems, Volume 2, Wroclaw, Poland, 28 June, 2012

Prosthetic memory: object memories and security for children.
Proceedings of the 2012 ACM Conference on Ubiquitous Computing, 2012

Activity Recognition System Using AMEVA Method.
Proceedings of the Evaluating AAL Systems Through Competitive Benchmarking, 2012

2011
Designing adaptive learning itineraries using features modelling and swarm intelligence.
Neural Comput. Appl., 2011

A Novel Approach to Trojan Horse Detection in Mobile Phones Messaging and Bluetooth Services.
KSII Trans. Internet Inf. Syst., 2011

Support vector machines for classification of input vectors with different metrics.
Comput. Math. Appl., 2011

LECOMP: Low Energy COnsumption Mesh Protocol in WSN.
Proceedings of the Ambient Intelligence - Software and Applications, 2011

Mobile Architecture for Communication and Development of Applications Based on Context.
Proceedings of the Modern Approaches in Applied Intelligence, 2011

2010
Trip destination prediction based on past GPS log using a Hidden Markov Model.
Expert Syst. Appl., 2010

Trojan horses in mobile devices.
Comput. Sci. Inf. Syst., 2010

Event-Based Method for Detecting Trojan Horses in Mobile Devices.
Proceedings of the Security and Privacy in Mobile Information and Communication Systems, 2010

Tracking System Based on Accelerometry for Users with Restricted Physical Activity.
Proceedings of the Trends in Applied Intelligent Systems, 2010

2009
A study on saving energy in artificial lighting by making smart use of wireless sensor networks and actuators.
IEEE Netw., 2009

A new approach to qualitative learning in time series.
Expert Syst. Appl., 2009

Ameva: An autonomous discretization algorithm.
Expert Syst. Appl., 2009

Smart Environment Software Reference Architecture.
Proceedings of the International Conference on Networked Computing and Advanced Information Management, 2009

Service-Oriented Device Integration for Ubiquitous Ambient Assisted Living Environments.
Proceedings of the Distributed Computing, 2009

A Home E-Health System for Dependent People Based on OSGI.
Proceedings of the Intelligent Technical Systems, 2009

2008
A Note on the Bias in SVMs for Multiclassification.
IEEE Trans. Neural Networks, 2008

Support vector machines for interval discriminant analysis.
Neurocomputing, 2008

Managing of Cluster Resources and Services through the Web.
ERCIM News, 2008

Distributing OSGi Services: The OSIRIS Domain Connector.
Proceedings of the NCM 2008, The Fourth International Conference on Networked Computing and Advanced Information Management, Gyeongju, Korea, September 2-4, 2008, 2008

Smart Environment Vectorization.
Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2008

Creating adaptive learning paths using Ant Colony Optimization and Bayesian Networks.
Proceedings of the International Joint Conference on Neural Networks, 2008

Delivery Improvement for Transport Companies.
Proceedings of the Seventh International Conference on Composition-Based Software Systems (ICCBSS 2008), 2008

Defining Adaptive Learning Paths For Competence-Oriented Learning.
Proceedings of the IADIS International Conference e-Learning 2008, 2008

2007
A New Kernel to use with Discretized Temporal Series.
Computación y Sistemas, 2007

An Orientation Service for Dependent People Based on an Open Service Architecture.
Proceedings of the HCI and Usability for Medicine and Health Care, 2007

Modeling Smart Homes for Prediction Algorithms.
Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2007

Combining Smart Tags and Body Fixed Sensors for Disabled People Assistance.
Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2007

Interoperability for transport companies.
Proceedings of the Enterprise Interoperability II, 2007

2006
Multi-Classification by Using Tri-Class SVM.
Neural Process. Lett., 2006

OnTheWay: A Prediction System for Spatial Locations.
Proceedings of the WINSYS 2006, 2006

Discretization of Continuous Features by Using a Kernel.
Proceedings of the Enterprise Interoperability, 2006

¿Where Do We go? OnTheWay: A Prediction System for Spatial Locations.
Proceedings of the I. International Conference on Ubiquitous Computing: Applications, 2006

Extended Sensations on Interactive Telecommunication.
Proceedings of the I. International Conference on Ubiquitous Computing: Applications, 2006

2005
Metodología Semicualitativa para Razonar sobre Sistemas Dinámicos.
Computación y Sistemas, 2005

Diagnosis of a Chopper Controlled DC Motor by Boosting.
Proceedings of the 2005 International Conference on Computational Intelligence for Modelling Control and Automation (CIMCA 2005), 2005

2004
Sobre núcleos, distancias y similitudes entre intervalos.
Inteligencia Artif., 2004

2003
Interactions among dynamic sets of objects.
Requir. Eng., 2003

Recognition of System Behaviours Based on Temporal Series Similarity.
Computación y Sistemas, 2003

Bifurcaciones de Hopf: Análisis Cualitativo y Aplicación a un Modelo Bioeconómico de Pesquerías.
Computación y Sistemas, 2003

Utilización de NDT y de las Técnicas de Satisfacción de Restricciones para la Generación de Itinerarios Culturales.
Computación y Sistemas, 2003

Revisiting Requirements in Web Modelling Languages.
Proceedings of the IADIS International Conference WWW/Internet 2003, 2003

2002
Diagnosis en Fases Tempranas de Sistemas Dinámicos.
Computación y Sistemas, 2002

Diagnosis de Sistemas Dinámicos Basada en Aprendizaje Supervisado Off-Line.
Computación y Sistemas, 2002

Un modelo CSP para planificación de la sustitución óptima de piezas defectuosas.
Inteligencia Artif., 2002

Sistemas cualitativos y diagnosis.
Inteligencia Artif., 2002

A Framework for Semiqualitative Reasoning in Engineering Applications.
Appl. Artif. Intell., 2002

A Framework to Translate UML Class Generalization into Java Code.
Proceedings of the Object-Oriented. Information Systems, 8th International Conference, 2002

Semiqualitative Reasoning for Software Development Project by Constraint Programming.
Proceedings of the ICEIS 2002, 2002

Qualitative Comparison of Temporal Series. QSI.
Proceedings of the Topics in Artificial Intelligence, 5th Catalonian Conference on AI, 2002

2001
Comparación Cualitativa de Series Temporales. Índice Cualitativo de Similitud - QSI.
Computación y Sistemas, 2001

An Object-Oriented Approach for Learning of Algorithm Design with Sequential Devices and Schemas.
Computación y Sistemas, 2001

Presentacion Monografia: Diagnosis, Razonamiento Cualitativo y Sistemas Socioeconómicos.
Inteligencia Artif., 2001

Diagnosis basada en modelos polinomicos usando tecnicas simbolicas.
Inteligencia Artif., 2001

Metodología para el Análisis Visual de la Evolución de Conceptos en Bases de Datos Textuales.
Proceedings of the II Jornadas de Bibliotecas Digitales, 2001

Qualitative Reasoning for Software Development Project by Constraint Programming.
Proceedings of the ICEIS 2001, 2001

Structural Constraint-Based Modeling and Reasoning with Basic Configuration Cells.
Proceedings of the Principles and Practice of Constraint Programming, 2001

2000
Metodologias cualitativas aplicadas a los sistemas Socioeconomicos y razonamiento con Intervalos.Presentacion.
Inteligencia Artif., 2000

Obtención de patrones de Comportamiento de Modelos Semicualitativos.
Inteligencia Artif., 2000

Aplicacion del Razonamiento Semicualitativo al Modelado y Analisis de Sistemas Económicos.
Inteligencia Artif., 2000

1998
Including Qualitative Knowledge in Semiqualitative Dynamical Systems.
Proceedings of the Methodology and Tools in Knowledge-Based Systems, 1998

Automatic Semiqualitative Analysis: Application to a Biometallurgical System.
Proceedings of the Methodology and Tools in Knowledge-Based Systems, 1998


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