Listar UJI: Investigación por autoría "6cef68b0-59ea-4bb0-a5fb-080454da66ee"
Mostrando ítems 1-20 de 80
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A Comprehensive and Reproducible Comparison of Clustering and Optimization Rules in Wi-Fi Fingerprinting2020
Torres-Sospedra, Joaquín; Richter, Philipp; Moreira, Adriano; Mendoza-Silva, Germán Martín; Lohan, Elena Simona; Trilles, Sergio; Matey-Sanz, Miguel; Huerta, Joaquin IEEE (2020-08-17)Wi-Fi fingerprinting is a well-known technique used for indoor positioning. It relies on a pattern recognition method that compares the captured operational fingerprint with a set of previously collected reference samples ... -
A comprehensive IoT node proposal using open hardware. A smart farming use case to monitor vineyards.
Trilles, Sergio; González-Pérez, Alberto; Huerta, Joaquin MDPI (2018)The last decade has witnessed a significant reduction in prices and an increased performance of electronic components, coupled with the influence of the shift towards the generation of open resources, both in terms of ... -
A Decentralised Location-Based Reputation Management System in the IoT using Blockchain
Weerapanpisit, Ponlawat; Trilles, Sergio; Huerta, Joaquin; Painho, Marco Institute of Electrical and Electronics Engineers (2022-01-31)The Internet of Things allows an object to connect to the Internet and observe or interact with a physical phenomenon. The communication technologies allow one IoT device to discover and communicate with another in order ... -
A domain-independent methodology to analyze IoT data streams in real-time. A proof of concept implementation for anomaly detection from environmental data
Trilles, Sergio; Belmonte-Fernández, Óscar; Schade, Sven; Huerta, Joaquin Taylor & Francis (2016-07)Pushed by the Internet of Things (IoT) paradigm modern sensor networks monitor a wide range of phenomena, in areas such as environmental monitoring, health care, industrial processes, and smart cities. These networks provide ... -
A Location Aware Mobile Tool for Direct and Indirect Climate Data Sensors
Ramos, Jose Francisco; Monfort Muriach, Aida; Huerta, Joaquin Wiley (2014-06)Access to GIS data from mobile platforms continues to be a challenge and there is a wide range of fields where it is extremely useful. In this work, we combined three key aspects: climate data sensors, mobile platforms and ... -
A Meta-Review of Indoor Positioning Systems
Mendoza-Silva, Germán Martín; Torres-Sospedra, Joaquín; Huerta, Joaquin MDPI (2019)An accurate and reliable Indoor Positioning System (IPS) applicable to most indoor scenarios has been sought for many years. The number of technologies, techniques, and approaches in general used in IPS proposals is ... -
A virtual globe tool for searching and visualizing geo-referenced media resources in social networks
Beltran Fonollosa, Arturo; Abargues Casanova, Carlos; Granell, Carlos; Núñez Redó, Manuela; Díaz Sánchez, Laura; Huerta, Joaquin Springer (2012)The current collaborative context and resource sharing that drives Web 2.0 is gaining importance within academia and industry, which is stimulating the development of new techniques for content retrieval, sharing and ... -
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 ... -
Adapting Models to Warn Fungal Diseases in Vineyards Using In-Field Internet of Things (IoT) Nodes
Trilles, Sergio; González-Pérez, Alberto; Huerta, Joaquin MDPI (2019)Weather conditions are one of the main threats that can lead to diseases in crops. Unfavourable conditions, such as rain or high humidity, can produce a risk of fungal diseases. Meteorological monitoring is vital to have ... -
Agile access to sensor network
Trilles, Sergio; Belmonte-Fernández, Óscar; Díaz Sánchez, Laura; Huerta, Joaquin AGILE Digital Editions (2014-06)The work in this paper aims at increasing the interoperability and improving accessibility of data provided by sensor networks. This way, this data can be employed by different devices and with diverse context requirements, ... -
An assessment of Public Participation GIS and Web 2.0 technologies in urban planning practice in Canela, Brazil
Bugs, Geisa; Granell, Carlos; Fonts Bartolomé, Óscar; Huerta, Joaquin; Painho, Marco Elsevier (2010)Recent advances in Geographic Information Systems (GIS) and Web 2.0 technologies provide new ways of creating sophisticated Web applications that strengthen social interactions based on comments on online maps, which have ... -
An IoT Platform Based on Microservices and Serverless Paradigms for Smart Farming Purposes
Trilles, Sergio; González-Pérez, Alberto; Huerta, Joaquin MDPI (2020)Nowadays, the concept of “Everything is connected to Everything” has spread to reach increasingly diverse scenarios, due to the benefits of constantly being able to know, in real-time, the status of your factory, your city, ... -
An occupancy simulator for a smart parking system: Developmental design and experimental considerations
Mendoza-Silva, Germán Martín; Gould, Michael; Montoliu Colás, Raul; Torres-Sospedra, Joaquín; Huerta, Joaquin MDPI (2019-05)This paper presents the development of a parking occupancy simulator to support a smart parking system. The simulator uses an agent-based approach to model drivers who follow activity plans and who may or may not use the ... -
Approach to Facilitating Geospatial Data and Metadata Publication Using a Standard Geoservice
Trilles, Sergio; Díaz Sánchez, Laura; Huerta, Joaquin MDPI (2017-04)Nowadays, the existence of metadata is one of the most important aspects of effective discovery of geospatial data published in Spatial Data Infrastructures (SDIs). However, due to lack of efficient mechanisms integrated ... -
Assessment of OGC Web Processing Services for REST principles
Granell, Carlos; Díaz Sánchez, Laura; Tamayo Fong, Alain; Huerta, Joaquin Inderscience (2014)Recent distributed computing trends advocate the use of REpresentational State Transfer (REST) to alleviate the inherent complexity of the web services standards in building service-oriented web applications. In this paper ... -
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 ... -
Autoencoder Extreme Learning Machine for Fingerprint-Based Positioning: A Good Weight Initialization is Decisive
Quezada Gaibor, Darwin; Klus, Lucie; Klus, Roman; Lohan, Elena Simona; Nurmi, Jari; Valkama, Mikko; Huerta, Joaquin IEEE (2023-07-27)Indoor positioning based on machine-learning (ML) models has attracted widespread interest in the last few years, given its high performance and usability. Supervised, semisupervised, and unsupervised models have thus been ... -
Beyond Euclidean Distance for Error Measurement in Pedestrian Indoor Location
Mendoza-Silva, Germán Martín; Torres-Sospedra, Joaquín; Potortì, Francesco; Moreira, Adriano; Knauth, Stefan; Berkvens, Rafael; Huerta, Joaquin Institute of Electrical and Electronics Engineers (2020-09-04)Indoor positioning systems (IPSs) suffer from a lack of standard evaluation procedures enabling credible comparisons: this is one of the main challenges hindering their widespread market adoption. Traditionally, accuracy ... -
BLE RSS Measurements Dataset for Research on Accurate Indoor Positioning
Mendoza-Silva, Germán Martín; Matey-Sanz, Miguel; Torres-Sospedra, Joaquín; Huerta, Joaquin MDPI (2019-03)RSS-based indoor positioning is a consolidated research field for which several techniques have been proposed. Among them, Bluetooth Low Energy (BLE) beacons are a popular option for practical applications. This paper ... -
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 ...