Juan A. Holgado-Terriza

Juan A. Holgado-Terriza
University of Granada | UGR · Departamento de Lenguajes y Sistemas Informáticos

PhD

About

134
Publications
52,050
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1,692
Citations
Citations since 2017
49 Research Items
1146 Citations
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250
Additional affiliations
September 2000 - present
University of Granada
Position
  • Tenure Professor

Publications

Publications (134)
Chapter
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Today, several strategies can be adopted in order to build a complete embedded application, including the use of software and hardware components with a reusable base to satisfy the increasing demands and requirements of actual embedded systems with shorter time to market. A new flexible Java framework is presented in this chapter for the developme...
Article
Full-text available
The Internet of Things (IoT) enables the communication among smart objects promoting the pervasive presence around us of a variety of things or objects that are able to interact and cooperate jointly to reach common goals. IoT objects can obtain data from their context, such as the home, office, industry or body. These data can be combined to obtai...
Chapter
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Human-machine interfaces are constantly evolving. Within this group, the interfaces based on natural gestures of users allow converting these movements into commands for a computer system without contacting any surface. This paper describes the architectural model of a system that addresses these interfaces to control home automation systems. An ar...
Article
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The Internet of Agents (IoA) is a current approach to the Future Internet that has arisen as an alternative to mitigate the limitations of the Internet of Things (IoT) concerning autonomy, reasoning and social capabilities. The aim of this paper is to present a novel architectural model governed by semantic contracts, published as linked data which...
Article
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Citation: Cama-Pinto, D.; Damas, M.; Holgado-Terriza, J.A.; Arrabal-Campos, F.M.; Martínez-Lao, J.A.; Cama-Pinto, A.; Manzano-Agugliaro, F. A Deep Learning Model of Radio Wave Propagation for Precision Agriculture and Sensor System in Greenhouses. Agronomy 2023, 13, 244. https:// Abstract: The production of crops in greenhouses will ensure the dema...
Chapter
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The Internet of things (IoT) is currently contributing to a growing range of applications for intelligent environments by means of the interconnection of heterogeneous IoT smart devices over the Internet. Generally, smart devices are implemented through services (e.g., REST webservices) which can be consumed by other services or any other external...
Article
It is essential to design buildings that take on the dynamics of the climate throughout their entire life cycle, guaranteeing the development of a building stock that is certainly sustainable and resilient. This study's main objective is to demonstrate that the official Spanish climate zones for building do not represent the current climatic condit...
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Este trabajo presenta un sistema de inteligencia de negocios especializado en el apoyo para la toma de decisiones en el dominio medioambiental, específicamente, en la gestión de la calidad del aire. El sistema fue desarrollado en la Suite Pentaho y permitió la integración de datos disponibles en la web y su almacenamiento en un datawarehouse. Sobre...
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Este artículo presenta el desarrollo de tres sistemas de control difuso para la administración de confort en un hogar inteligente construido en el ambiente de openHAB. Se presentan los conjuntos difusos utilizados para un controlador de encendido y apagado de una bombilla, gestión de fuego, y para establecer el control de temperatura en el escenari...
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Precision agriculture and smart farming are concepts that are acquiring an important boom due to their relationship with the Internet of things (IoT), especially in the search for new mechanisms and procedures that allow for sustainable and efficient agriculture to meet future demand from an increasing population. Both concepts require the deployme...
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A novel smart home automation system was developed for controlling home devices integrating augmented reality (AR) with natural human-computer interface based on hand gestures. This paper resumes the main issues required for its implementation.
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Las redes neuronales artificiales son modelos ampliamente usados en tareas de reconocimiento de patrones, entre las que se incluye la clasificación de personas, animales y objetos. En este artículo se presenta un clasificador automático de especies de peces endémicas del Ecuador utilizando las redes neuronales convolucionales. El clasificador propu...
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This chapter provides an overview of the traditional methods used to physically characterize delivery systems in the form of emulsions. Firstly, it reviews methods that are commonly used to study liquid interfaces such as pendant drop tensiometry and Langmuir monolayers. Secondly, it shows methods for physical characterization of emulsions such as...
Conference Paper
Security detection procedures rely on a previous monitoring process aimed to gather specific operational information regarding the target system. For this purpose, a specific monitoring app named AMon has been developed by authors, which is a JAVA tool oriented to multidimensional device data gathering in Android environments. It collects disparate...
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In this paper, we introduce a new methodology for network access control for Android devices based on app risk assessment. Named ARANAC (which stands for Application Risk Assessment based Network Access Control ), this methodology is specially tailored for scenarios using the Bring-Your-Own-Device (BYOD) policy, where the adoption of some solutio...
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Fuzzy control systems are widely used to carry out control actions where variables with a certain degree of ambiguity are involved. Such control actions are modelled based on fuzzy rules that are expressed in a language analogous to that used by humans to conceive their reality. In this sense, fuzzy controllers can be applied in emerging technologi...
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This work introduces a novel Android monitoring app named AMon. It is aimed at collecting device related information from several sources: communications, /proc filesystem, applications and device usage. The information is dynamically gathered over time and its execution does not require to get special privileges or to be system root. In order to a...
Article
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The deployment of the 5G mobile network is currently booming, offering commercially available services that improve network performance metrics by minimizing network latency in countries such as the USA, China, and Korea. However, many countries around the world are still in the pilot phase promoted and regulated by government agencies. This is the...
Article
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: Las redes sociales han cambiado la forma en que la sociedad se informa. Redes sociales como Twitter y Facebook cuentan con millones de usuarios quienes muchas veces comparten noticias falsas (fake news) sin saberlo. Los contenidos de estas noticias son falsos y no verificados, y llegan a viralizarse, engañando y causando pánico. El objetivo de es...
Article
One of the major applications of Serum Albumins is their use as delivery systems for lipophilic compounds in biomedicine. Their biomedical application is based on the similarity with Human Serum Albumin (HSA), as a fully biocompatible protein. In general, Bovine Serum Albumin (BSA) is treated as comparable to its human homologue and used as a model...
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This chapter provides an overview of the most important aspects that govern the composition, structure, and mechanical properties of interfaces in food emulsions. The main theoretical concepts and the main experimental methods existing traditionally to study fluid interfaces are revised. The characteristics of the pendant drop film balance owing to...
Article
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El uso del gesto, sea manual, facial y postural, establece una forma de comunicación hombre-máquina que aún debe ser estudiada profunda y ampliamente. Esta investigación establece la factibilidad del reconocimiento de los gestos o posturas de la mano usando un wearable (brazalete MYO) para la captura las señales electromiográficas (EMG) producidas...
Article
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Spain is Europe’s leading exporter of tomatoes harvested in greenhouses. The production of tomatoes should be kept and increased, supported by precision agriculture to meet food and commercial demand. The wireless sensor network (WSN) has demonstrated to be a tool to provide farmers with useful information on the state of their plantations due to i...
Article
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The use of foams to deliver bioactive agents and drugs is increasing in pharmaceutics. One example is the use of foam as a delivery system for polidocanol (POL) in sclerotherapy, with the addition of bioactive compounds to improve the delivery system being a current subject of study. This work shows the influence of two bioactive additives on the s...
Conference Paper
Today, data science has positioned as an area of interest for decision makers in many organizations. Advances in Machine Learning (ML) allow training predictive models based on the analysis of datasets in multiple domains such as: business, medicine, marketing, among others. These models are able to learn and predict future behaviors which helps in...
Conference Paper
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Este artículo describe el proceso a seguir para la creación de robots educativos mediante el uso de las tecnologías orientadas a la impresión de objetos tridimensionales (Anet E10) y microcontroladores de bajo costo (Arduino). También se detalla el proceso seguido para integrar las piezas impresas con el microcontrolador, los sensores y actuadores,...
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In general, software agents deployed in a multi-agent systems (MASs) collaborate and share data with each other by means of Foundation for Intelligent Physical Agents (FIPA) communications into the same agent platform (intra-). Java Agent Development framework (JADE) provides a facility software framework to build software agents executing in a spe...
Conference Paper
The Internet of Things (IoT) is an approach that arose as an alternative to handle billions of digital devices, people and services of the real-world which are interconnected over Internet. In this paper, we present a comprehensive survey where main paradigms associated with IoT -Internet of Services (IoS), Internet of People (IoP), Internet of Con...
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Service- and resource-oriented technologies have achieved a widely level of popularity and acceptance for the development of distributed systems. Most of the current processes executed on web, mobile and pervasive applications are generally developed by invoking heterogeneous services and resources through different models. This paper presents an a...
Chapter
This paper presents a Multiagent System (MAS) oriented to proactively control a connected digital home scenario based on Internet of Things (IoT). The objects of IoT have been deployed using the openHAB tool and the agents that control these objects have been programmed using Java Agent DEvelopment Framework (JADE). The agents incorporate a behavio...
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This paper presents a biometric system to automatically register the attendance of students in a class. The proposed system was developed in Matlab that takes advantage of the potential of Principal Component Analysis (PCA) and Data Mining algorithms implemented in the Weka tool. Both instruments have been integrated to train a classifier capable o...
Chapter
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Resumen-El internet de las cosas (IoT, Internet of Things) está propiciando una creciente demanda de dispositivos u objetos IoT en el Hogar Digital Conectado para mejorar aspectos como la gestión de la eficiencia energética, el confort, la seguridad perimetral, los sistemas de cuidado o teleasistencia, y los servicios multimedia avanzados, entre ot...
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Resumen-La agricultura de precisión y el Smart Farming son conceptos que están adquiriendo un importante auge por su relación con el internet de las cosas (IoT), especialmente en la búsqueda de nuevos mecanismos y procedimientos que permitan disponer de una agricultura sostenible y eficiente que posibilite satisfacer la demanda futura que requerirá...
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This paper presents a novel multimodal interaction system that provides three modalities of human interaction to manage the supervision and control of a home automation system for people with limited physical mobility. The first one is based on a brain-control interface (BCI, Brain Computer Interface) by means of surface electroencephalographic ele...
Chapter
Human-Agent Collectives (HAC) is an approach involving coalitions of humans and agents working together to exploit their intelligence capabilities to optimize tasks in systems with inherent uncertainty. This paper presents a review of the main features of the HAC approach as well as the possible interactions between the entities that take place in...
Article
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Software technologies play an increasingly significant role in industrial environments, especially for the adoption of Industrial Internet of Things (IIoT). In this context, the application of mechanisms for the auto-configuration of industrial systems may be relevant for reducing human errors and costs in terms of time and money, improving the mai...
Article
Full-text available
The production of tomatoes in greenhouses, in addition to its relevance in nutrition and health, is an activity of the agroindustry with high economic importance in Spain, the first exporter in Europe of this vegetable. The technological updating with precision agriculture, implemented in order to ensure adequate production, leads to a deployment p...
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This paper presents an smart, collaborative and self-adaptive re-active agent model aimed at managing the resources of objects connected to Internet of Things (IoT). This agent model, called Linked Open Agent (LOA), is described using both a semantic agent contract built from descriptors published as linked data, and a work-flow for agent control t...
Article
The Internet of Agents (IoA) is an emerging paradigm whose objective is to mitigate the deficiencies of devices of Internet of Things (IoT) in terms of reasoning and social capabilities, in order to improve proactivity, intelligence and interoperability. This paper presents the guidelines to develop IoA applications based on described semantic agen...
Article
Full-text available
Human–computer interaction is transformed as well as the technology used to achieve it. This paper discusses the ease of use of a classic touch screen user interface (TUI) in contrast to a gesture-based user interface (GBUI) applied to a mobile device. Two basic positions are used for comparison: “normal” when individual is standing and “special” w...
Article
Full-text available
Human-Computer interaction is constantly evolving and gestural interaction is one of the most studied interfaces in this field. However, the currently available interfaces present different types of problems (occlusion, misreading, etc.) making difficult the recognition and interpretation of complex languages such as the language of the deaf-mute....
Article
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The Internet of Things is aimed at controlling the physical real world using a global network of heterogeneous smart objects that are interconnected through the Internet. Nonetheless, this emergent paradigm still poses challenges in terms of intelligence, autonomy, security, privacy, and interoperability, all of which must be overcome in order for...
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Recently, scientists have shown a special interest in the integration of agent-oriented technologies with the Internet of Things (IoT) in order to manage smarter IoT-objects and their resources. This paper proposes an agent architecture of Multiagent Systems based on Resource-Oriented Architecture (MAS-ROA), where the behavior of each agent is driv...
Article
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Recently, the scientific community has demonstrated a special interest in the process related to the integration of the agent-oriented technology with Internet of Things (IoT) platforms. Then, it arises a novel approach named Internet of Agents (IoA) as an alternative to add an intelligence and autonomy component for IoT devices and networks. This...
Conference Paper
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La Interacción Hombre-Máquina está en constante evolución. Este artículo presenta el diseño y construcción de un Guante de Interacción Natural de Usuario (GINU) para el reconocimiento e identificación de los gestos de la mano. A través de GINU es posible llevar a cabo el control de dispositivos eléctricos y electrónicos. GINU incorpora distintos ti...
Article
In this study, a novel powerful mobile surface tension instrument based on a smartphone (mobile-phone or handy) is developed. Axisymmetric drop shape analysis method was implemented on a smart-phone (mobile-phone) for surface or interfacial tension measurements. The novelty of this work is that we have been able to implement all the needed calculat...
Article
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Industry 4.0 promotes the integration of IT software technology with the industrial devices of a factory for the supervision and control of Industrial Automation Systems (IAS). In this paper, a novel metamodel called iMMAS (Industrial Meta-Model for Automation System) is proposed to simplify the development and deployment of an IAS. The metamodel p...
Article
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The integration of a Multi-agent technology with a service oriented architecture provides a convenient way to build smarter applications that satisfy the demand of the current ubiquitous web systems. This paper provides a software tool to develop ubiquitous applications adopting the philosophy of agents and services as data sources. ADELE (Agent Dy...
Chapter
This paper demonstrates the application of electromyography (EMG) signals for the control of home devices. To achieve this we have used an armband called MYO® that contains an array of eight sEMG sensors around the forearm. We have studied 15 hand gestures to create a dictionary of gestural control. We have reached the gesture recognition using Sup...
Conference Paper
Human-machine interaction requires the proposal of new systems, which can be adapted to the needs of the user at any time. This paper proposes the use of natural user interface as an alternative to the traditional contact-based Graphical User Interface. This new interface does not require touching the surface of the device, and thus provides touch-...
Conference Paper
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Los buses I$^2$C son ampliamente usados en el mundo de la electrónica para la interconexión de circuitos integrados y dispositivos electrónicos como sensores o actuadores. Actualmente se puede encontrar toda clase de dispositivos tanto sensores como actuadores que funcionan con esta tecnología. Gracias a sus bajos tiempos de acceso y al esquema mae...
Conference Paper
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La gran diversidad de dispositivos físicos que existe hoy en día hace necesario la utilización de un mecanismo capaz de homogenizarlos y normalizarlos para facilitar su acceso desde cualquier medio. En este artículo se plantea una propuesta para la abstracción de dispositivos, mediante un paradigma de desarrollo basado en servicios, que puede ser a...
Article
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La utilización de recursos didácticos que permitan a los alumnos disponer de herramientas que fomenten la innovación y la aplicación de los conocimientos adquiridos durante su formación, es una forma muy interesante de potenciar tanto su interés como su participación proactiva en el proceso de aprendizaje. En este trabajo se presenta la experiencia...
Chapter
This paper presents a middleware based on an agent model for supporting reactive agents that can change their behavior in order to evolve with time based on the accomplish of active norm defined into a dynamic normative model. This middleware named Agent Dynamic EvoLutionary at runtimE (ADELE) was developed on a Java platform using the JADE framewo...
Chapter
The current proliferation of electronic things and smart devices are the main cause of arising of the Internet of Things, Internet of Services, and Internet of Agents approaches. This paper presents a framework for the development of soft real-time applications based on the Service Oriented Computing and Computer-Based Agents currently known as Int...
Article
The Internet of Things (IoT) is a current approach which aims to act on pervasive environments for connecting smart objects. These objects are capable to sense their own environment, interacting and cooperating with other devices. However, the IoT also requires to perform coordination actions that devices cannot carry out with the embedded electron...
Conference Paper
Full-text available
This paper exposes how mobile devices can be integrated and used for monitoring and supervising industrial processes into an industrial automation system. An analysis is carried out determining three possible architectonical models to include a mobile device as a HMI system. Finally, we propose an approach for developing a HMI (Human Machine Interf...
Article
Full-text available
The delivery of healthcare services has experienced tremendous changes during the last years. Mobile health or mHealth is a key engine of advance in the forefront of this revolution. Although there exists a growing development of mobile health applications, there is a lack of tools specifically devised for their implementation. This work presents m...
Conference Paper
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Mobile health is an emerging field which is attracting much attention. Nevertheless, tools for the development of mobile health applications are lacking. This work presents mHealthDroid, an open source Android implementation of a mHealth Framework designed to facilitate the rapid and easy development of biomedical apps. The framework is devised to...
Conference Paper
Public transport systems in modern cities are the key to create the sustainable citizens' mobility of the future. In a short time the private vehicle will be needed only for transportations that public transport cannot be afforded. Supporting the use of the public transport in the cities is one of the main objectives planned by the European Union f...
Article
Bile salts (BS) are bio-surfactants which constitute a vital component in the process of fat digestion. Despite the importance of the interfacial properties in their biological role, these have been scarcely studied in the literature. In this work, we present the adsorption-desorption profiles of two BS (NaTC and NaGDC) including dilatational rheol...
Article
Full-text available
In this study we analyze different alternatives to develop applications in multiprocessor systems using Java. We include a study about the Real Time Specification for Java (RTSJ) and improvements included in the version 1.1 to optimize the resources available in this kind of systems. We analyze how JamaicaVM, a commercial implementation of the RTSJ...
Conference Paper
Context-awareness is one of the most relevant research areas in Pervasive Computing scope. However, in more complex environments, loosely coupled data and dynamic behavior of the environment can become a source of serious problems. These problems can spread throughout whole proactive behavior and in this way make them difficult to handle. In this p...
Conference Paper
Full-text available
Nowadays most of people have smartphones which can run complex application. Some kinds of experiments need several hours to finish. Using recent mobiles capabilities, anyone can monitor instruments and equipment efficiently from anywhere. Hence, alert services can prevent users from any incidence on supervised instruments and experiments. In this p...
Article
It is important to understand how interfacial composition influences the digestion of coated interfaces in order to rationally design emulsion based food products with specific digestion profiles. This study has been designed to investigate the effects of gastrointestinal digestion on protein covered interfaces. In this work, we have used a new app...
Conference Paper
Full-text available
The Internet of Things (IoT) enables communication between smart objects promoting the pervasive presence around us of a variety of things or objects which are able to interact with each other and cooperate to reach common goals. The IoT objects can obtain data from their context, such as home, office, industry, body, etc. This data can be fused an...
Conference Paper
Full-text available
Este artículo explica cómo desarrollar sistemas para automatizar procesos industriales utilizando tecnologías abiertas. Para ello se introducen dos middleware basados en tecnología Java que facilitan el desarrollo de estos sistemas. Por una parte, JavaES (Java for Embedded Systems) se utilizará para interaccionar directamente con el hardware, y por...
Article
Full-text available
Currently, virtual/remotes laboratories are often being built to improve learning and researching capabilities in some areas of knowledge. Generally these virtual/remotes laboratories are built from scratch again and again, instead of reusing software and hardware infrastructures. This paper presents a new framework, RVLab, to help developers b...