Listar INIT_Congressos i Informes por autoría "6cef68b0-59ea-4bb0-a5fb-080454da66ee"
Mostrando ítems 1-20 de 25
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Acceso ágil a redes de sensores. Un caso de estudio de monitorización de datos de calidad del aire y metereológicos
Trilles, Sergio; Díaz Sánchez, Laura; Huerta, Joaquin Centro Nacional de Información Geográfica (2013-11)En el presente trabajo se pretende incrementar la interoperabilidad y accesibilidad de estos datos para que los usuarios puedan utilizarlos en diferentes escenarios y con variedad de necesidades dependiendo del lugar y ... -
Assisted Generation and Publication of Geospatial Metadata
Trilles, Sergio; Díaz Sánchez, Laura; Gil, José; Huerta, Joaquin AGILE (2012)Today, the existence of metadata is one of the most important factors for the effective discovery of geospatial data published in Spatial Data Infrastructures (SDI). However, due to the lack of efficient ... -
Building Standards-Based Geoprocessing Mobile Clients
Tamayo Fong, Alain; Granell, Carlos; Díaz Sánchez, Laura; Huerta, Joaquin AGILE (2012)The adoption of geoprocessing service clients in mobile devices seems to be still rare, even when the communication protocol provided by the Web Processing Service (WPS) seems to fit the philosophy of accessing ... -
Construyendo un sistema de indexación y búsqueda de recursos georreferenciados
Beltran Fonollosa, Arturo; Díaz Sánchez, Laura; Huerta, Joaquin Servicio de Sistemas de Información Geográfica y Teledetección (SIGTE), Universitat de Girona (2012-03)La cantidad y variedad de recursos georreferenciados disponibles en la web crece día a día. Este hecho demuestra el interés de los usuarios y el papel fundamental que la información con contexto geográfico juega en ... -
Data Cleansing for Indoor Positioning Wi-Fi Fingerprinting Datasets
Quezada Gaibor, Darwin; Klus, Lucie; Torres-Sospedra, Joaquín; Lohan, Elena Simona; Nurmi, Jari; Granell, Carlos; Huerta, Joaquin IEEE (2022)Wearable and IoT devices requiring positioning and localisation services grow in number exponentially every year. This rapid growth also produces millions of data entries that need to be pre-processed prior to being ... -
Enabling Geospatial Context in an IoT Decentralised Reputation Management System using Ethereum Smart Contracts
Weerapanpisit, Ponlawat; Trilles, Sergio; Huerta, Joaquin; Painho, Marco IEEE (2021)Social Internet of Things (SIoT) is a concept that integrates the Internet of Things and human social networks. An SIoT system has to store and manage device reputation values, which are used by end devices to determine ... -
Geographic Information Need to Know (GIN2K): towards a more demand driven geospatial workforce education system
Aguilar Moreno, Estefanía; Casteleyn, Sven; Huerta, Joaquin National Technical University of Athens, School of Rural and Surveying Engineering (2015-11-07)The development of the Geographic Information Science & Technology (GI S&T) Body of Knowledge (BoK) in 2006 was a milestone achievement in the geospatial domain. It collects, describes and structures important concepts ... -
gvSIG education for Disaster Risk Management within an international cooperation project
Aragó Galindo, Pau; Kasie, Tesfahun Asmamaw; Grandío_Botella, Antonio; Clark, Sergio; Huerta, Joaquin gvSIG Association (2012-11)University jaume I (UJI) and University of Bahir Dar (BDU) are involved in a cooperation project sponsored by “Agencia Española de Cooperación al Desarrollo” (AECID). The project called "Strengthening the research center ... -
How Earth Observation, Crop Modeling, and ICT can help rice cultivation: the ERMES project
Casteleyn, Sven; Granell, Carlos; Trilles, Sergio; Huerta, Joaquin; BOSCHETTI, MIRCO; Busetto, Lorenzo; Pepe, Monica; Katsantonis, Dimitrios; Confalonieri, Roberto; Holecz, Francesco; García Haro, Javier; Gitas, Ioannis AGILE Digital Editions (2014-06)Due to pressure of food demand, increased price competition and demand for sustainable farming practices, it’s increasingly important to optimize agricultural practices. The European FP7 project ERMES focuses specifically ... -
Improving DBSCAN for Indoor Positioning Using Wi-Fi Radio Maps in Wearable and IoT Devices
Quezada Gaibor, Darwin; Klus, Lucie; Torres-Sospedra, Joaquín; Lohan, Elena Simona; Nurmi, Jari; Huerta, Joaquin IEEE (2020-10-05)IoT devices and wearables may rely on Wi-Fi finger-printing to estimate the position indoors. The limited resources of these devices make it necessary to provide adequate methods to reduce the operational computational ... -
Lightweight Hybrid CNN-ELM Model for Multi-building and Multi-floor Classification
Quezada Gaibor, Darwin; Torres-Sospedra, Joaquín; Nurmi, Jari; Koucheryavy, Yevgeni; Huerta, Joaquin IEEE (2022)Machine learning models have become an essential tool in current indoor positioning solutions, given their high capabilities to extract meaningful information from the environment. Convolutional neural networks (CNNs) ... -
Lightweight Wi-Fi Fingerprinting with a Novel RSS Clustering Algorithm
Quezada Gaibor, Darwin; Torres-Sospedra, Joaquín; Nurmi, Jari; Koucheryavy, Yevgeni; Huerta, Joaquin IEEE (2021-11-29)Nowadays, several indoor positioning solutions sup-port Wi-Fi and use this technology to estimate the user position. It is characterized by its low cost, availability in indoor and outdoor environments, and a wide variety ... -
Local-level Analysis of Positioning Errors in Wi-Fi Fingerprinting
Mendoza-Silva, Germán Martín; Torres-Sospedra, Joaquín; Huerta, Joaquin IEEE (2021-04-25)Nowadays, Location Based Services run over a net of heterogeneous devices (mainly smartphones) with different location capabilities thanks to, for instance, signals of opportunity as Wi-Fi. In contrast to professional ... -
Locations Selection for Periodic Radio Map Update in WiFi Fingerprinting
Mendoza-Silva, Germán Martín; Torres-Sospedra, Joaquín; Huerta, Joaquin Springer (2018)The construction and update of a radio map are usually referred as the main drawbacks of WiFi fingerprinting, a very popular method in indoor localization research. For radio map update, some studies suggest taking new ... -
Mobile Access to Sensor Network: A Use Case on Wildfire Monitoring
Trilles, Sergio; Belmonte-Fernández, Óscar; Huerta, Joaquin Springer International Publishing (2014)These networks provide large volumes of data in many different formats, resolution and scales. The data are of different types and character: from meteorological conditions to air quality and the concentrations of pollutants ... -
Monitorización de datos de calidad de aire
Trilles, Sergio; Díaz Sánchez, Laura; Huerta, Joaquin Infraestructura de Datos Espaciales de España (IDEE) (2012-10)Cada vez más somos testigos del despliegue de redes de sensores que miden el estado del entorno en el que vivimos. Estas redes aportan grandes volúmenes de información en formatos y escalas muy diversas. Encontramos ... -
New Cluster Selection and Fine-grained Search for k-Means Clustering and Wi-Fi Fingerprinting
Torres-Sospedra, Joaquín; Quezada Gaibor, Darwin; Mendoza-Silva, Germán Martín; Nurmi, Jari; Koucheryavy, Yevgeni; Huerta, Joaquin IEEE (2020-06-02)Wi-Fi fingerprinting is a popular technique for Indoor Positioning Systems (IPSs) thanks to its low complexity and the ubiquity of WLAN infrastructures. However, this technique may present scalability issues when the ... -
El proyecto ERMES: Servicios de seguimento del cultivo de arroz basados en una IDE
Trilles, Sergio; Casteleyn, Sven; Granell, Carlos; Guerrero Castex, Ignacio; Huerta, Joaquin; Bordogna, Gloria; Pepe, Monica; Busetto, Lorenzo; BOSCHETTI, MIRCO Centro Nacional de Información Geográfica (2014-11)En los tiempos actuales, ante el aumento de la demanda de alimentos, el incremento del precio de ellos y la adopción de nuevas técnicas para la agricultura, es más importante la optimización ... -
Real-time anomaly detection from environmental data streams
Trilles, Sergio; Schade, Sven; Belmonte-Fernández, Óscar; Huerta, Joaquin Springer International Publishing (2015)Modern sensor networks monitor a wide range of phenomena. They are applied in environmental monitoring, health care, optimization of industrial processes, social media, smart city solutions, and many other domains. All in ... -
Towns Conquer : A Gamified application to collect geographical names (vernacular names/toponyms)
Castellote, Jesús; Huerta, Joaquin; Pescador, Javier; Brown, Michael AGILE (2013)The traditional model for geospatial crowd sourcing asks the public to use their free time collecting geospatial data for no obvious reward. This model has shown to work very well on projects such as Open ...