Exploració per autor "Freitag, Fèlix"
Ara es mostren els items 72-91 de 132
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Large event traces in parallel performance analysis.
(Springer Verlag, 2006)
Text en actes de congrés
Accés obertA powerful and widely-used method for analyzing the performance behavior of parallel programs is event tracing. When an application is traced, performancerelevant events, such as entering functions or sending messages, ... -
Leveraging deployment models on low-resource devices for cloud services in community networks
(2016-07)
Article
Accés obertCommunity networks are crowd-sourced IP networks that evolved into regional-scale computing platforms. This has led to adapting the cloud computing model for services that can operate and use computing resources inside a ... -
LoRaCoin: Towards a blockchain-based platform for managing LoRa devices
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Comunicació de congrés
Accés obertWe propose LoRaCoin, a decentralized blockchainbased service to manage the generation and storage of sensor data generated by IoT devices. A novel feature of LoRaCoin is that it rewards both IoT devices that generate data ... -
LoRaMoto: a communication system to provide safety awareness among civilians after an earthquake
(Elsevier, 2021-02)
Article
Accés obertCivilians in areas hit by earthquakes become in particular concerned about the safety of family and friends. However, outages in communications networks following these events limit their capacity to get information. So, ... -
LoRaMoto: a LoRa-based communication system for coordinated response in an earthquake aftermath (excerpt)
(2019-07-26)
Report de recerca
Accés obertResponse of emergency units after natural disasters, such as earthquakes, has to be coordinated, fast and efficient in order to rescue and care for the victims, keeping all the population –and the units themselves– safe ... -
LoRaTRUST: blockchain-enabled trust and accountability service for IoT data
(2023-04-25)
Article
Accés obertEnvironmental monitoring is a growing application of the Internet of Things. The low cost of the sensor nodes, LoRa connectivity, and increased awareness of environmental issues have motivated many citizens to participate ... -
MeshDapp: Blockchain-enabled sustainable business models for networks
(Springer, 2019)
Text en actes de congrés
Accés obertThe digital world demands a network infrastructure to supply connectivity to any participant anywhere. Sustainable networks require balanced value flows. Value is connectivity delivered at a material and service cost to ... -
Modelado de la trayectoria de los polos en la secuencia de LPC
(Universidad de Valladolid, 1995)
Text en actes de congrés
Accés obertA alternative way of representing time variations of the speech spectra is presented. We propose to model the trajectories of the poles of the LPC analysis spectra using exponential functions as alternative to delta ... -
Motivating the non-technical participation in technical communities
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialEmail Print Request Permissions Technical communities are social structures that emerge around the interest of individuals to build and deploy their own technology or communication infrastructure, such as wireless ... -
Multicast injection for application network deployment.
(IEEE, 2001)
Text en actes de congrés
Accés obertIntroduction of new services on the Internet is a laborious, time-consuming task. Application networks, applications being serviced through multiple interconnected service nodes disseminated across the Internet for better ... -
On distributed systems and CSCL.
(IEEE, 2004-04)
Text en actes de congrés
Accés obertThe design of distributed systems for collaborative work or learning requires that both humans and machines be organized such that the potential and limitations of the human-machine interdependence is optimized. Current ... -
On edge cloud service provision with distributed home servers
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertEdge computing has been proposed for new types of cloud services, which need computing infrastructure at the network edge. Driven by important use cases from the Internet of Things (IoT) domain, edge cloud computing has ... -
On edge microclouds to provide local container-based services
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertEdge computing has been proposed to enable more user-centric cloud-based services. Nowadays, edge computing is operational in industrial and consumer-oriented scenarios. An important limitation of today's solutions, however, ... -
On network flow management in virtualized environments
(2009-11)
Text en actes de congrés
Accés obertVirtualization has enabled the use of virtual machine (VM) based resource providers to offer computing power as a service. However, one important feature is to have certainty about the planed or expected performance of the ... -
On participatory service provision at the network edge with community home gateways
(Elsevier, 2017-06-12)
Article
Accés obertEdge computing is considered as a technology to enable new types of services which operate at the network edge. There are important use cases in ambient intelligence and the Internet of Things (IoT) for edge computing ... -
On the collaborative governance of decentralized edge microclouds with blockchain-based distributed ledgers
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertToday's commercial model for edge computing services consists in lightweight devices at the network edge connected through the Internet to remote cloud data centers. Microclouds are an alternative vision of edge computing, ... -
On the scalability of tracing mechanisms
(Springer Verlag, 2002)
Text en actes de congrés
Accés obertPerformance analysis tools are an important component of the parallel program development and tuning cycle. To obtain the raw performance data, an instrumented application is run with probes that take measures of specific ... -
On the sustainability of community clouds in guifi.net
(Springer, 2015)
Text en actes de congrés
Accés obertThe Internet and cloud services are key enablers for participation in society. The need for Internet access in areas underserved by commercial telecom operators has often been a motivation to develop community networks. Many ... -
On the use of the derivative of pole trajectories of the LPC analysis parameter sequence as an alternative to delta parameters
(1995)
Text en actes de congrés
Accés obertIn this paper a new approach for modelling time variations in the speech spectra is presented. We propose to approximate the trajectories of the frequency and amplitude of the poles of the LPC spectra with exponential ... -
On the use of the derivative of the pole trajectories of the LPC analysis parameter sequence as an alternative to delta parameters
(ESCA - J.M. PARDO, E. ENRIQUEZ, J. ORTEGA, J. FERREIROS GTM-UPM, 1995)
Text en actes de congrés
Accés obertIn this paper a new approach for modelling time variations in the speech spectra is presented. We propose to approximate the trajectories of the frequency and amplitude of the poles of the LPC spectra with exponential ...
