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  • 1
    Publication Date: 2019-12-16
    Description: We present our experience based on a case study within the INDIGO-DataCloud (INtegrating Distributed data In-frastructures for Global ExplOitation) project (www.indigo-datacloud.eu). The aim of INDIGO-DC is to develop a data and computing platform targeting scientific communities. Our case study is an example of activities performed by INGV using data from seafloor observatories that are nodes of the infrastructure EMSO (European Multidisciplinary Seafloor and water column Observatory)-ERIC (www.emso-eu.org). EMSO is composed of several deep-seafloor and water column observatories, deployed at key sites in the European waters, thus forming a widely distributed pan-European infrastructure. In our case study we consider data collected by the NEMO-SN1 observatory, one of the EMSO nodes used for geohazard monitoring, located in the Western Ionian Sea in proximity of Etna volcano. Starting from the case study, through an agile approach, we defined some requirements for INDIGO developers, and tested some of the proposed INDIGO solutions that are of interest for our research community. Given that EMSO is a distributed infrastructure, we are interested in INDIGO solutions that allow access to distributed data storage. Access should be both user-oriented and machine-oriented, and with the use of a common identity and access system. For this purpose, we have been testing: - ONEDATA (https://onedata.org), as global data management system. - INDIGO-IAM as Identity and Access Management system. Another aspect we are interested in is the efficient data processing, and we have focused on two types of INDIGO products: - Ophidia (http://ophidia.cmcc.it), a big data analytics framework for eScience for the analysis of multidimensional data. - A collection of INDIGO Services to run processes for scientific computing through the INDIGO Orchestra
    Description: Published
    Description: Austria Center Vienna (ACV) in Vienna, Austria, from 23–28 April 2017
    Description: 3A. Geofisica marina
    Keywords: indigo ; data
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Oral presentation
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  • 2
    Publication Date: 2019-12-16
    Description: In the context of the EU H2020 INDIGO-DataCloud project several use case on large scale scientfic data analysis regarding different research communities have been implemented. All of them require the availability of large amount of data related to either output of imulations or observed data from sensors and need scientic (big) data solutions to run data analysis experiments. More specically,the paper presents the case studies related to the following research communities: (i) the European Multidisciplinary Seaoor and water column Observatory (INGV-EMSO), (ii) the Large Binocular Tele-scope, (iii) LifeWatch, and (iv) the European Network for Earth System Modelling (ENES).
    Description: EGI Foundation, IBM Research
    Description: Published
    Description: University of Siena, Palazzo del Rettorato, Banchi di Sotto, 55, 53100 Siena (SI), Italy
    Description: 1VV. Altro
    Keywords: big data ; indigo ; ophidia ; analysis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Conference paper
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  • 3
    Publication Date: 2020-04-06
    Description: The Ionian Sea area is a known site of seismic hazard. Several historical highmagnitude earthquakes occurred in the area (e.g., 1193, M=6.6; 1693, M=7.4; 1908, M=7.2) [Boschi et al., 1997], whose tectonic sources and generation mechanism are still debated. Due to the lack of a seafloor seismic network the detection and location of marine earthquakes are often elusive. The SEISMOFAULTS experiment [http://www.seismofaults.it/] was performed between 2017 May and 2018 May to increase knowledge on the seismicity in the western Ionian Sea. Seven broadband Ocean Bottom Seismometers and Hydrophones
    Description: Published
    Description: Rome
    Description: 3A. Geofisica marina e osservazioni multiparametriche a fondo mare
    Keywords: Marine Geophysics ; Ocean Bottom Seismometer ; Active Tectonics ; 04.02. Exploration geophysics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Conference paper
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  • 4
    Publication Date: 2019-09-27
    Description: The term Big Data identifies large data sets that cannot be managed with traditional processing software. Volume, Variety and Velocity are properties used to classify Big Data. Velocity, the most relevant property, refers to high speed of data acquisition and processing. Management of Big Data, and particularly Velocity, has become an open issue for scientific communities. The EC project INDIGO-Datacloud was conceived to tackle some of the Big Data challenges that scientific communities are facing. In the context of INDIGO-Datacloud we defined a case study in which one of the goals was the improvement of processing performance on seismological data. Starting with a practical case study, we identified, as possible software solution, Ophidia, a big data analytics framework. The first step to exploit the framework functionalities required the import of the seismological data in Ophidia. For this purpose, we designed and implemented a software module that enables the import of seismological data in SAC format. As a second step, we tested the capabilities of Ophidia through a performance test to evaluate the framework potential.
    Description: Published
    Description: 1-22
    Description: 3IT. Calcolo scientifico
    Description: N/A or not JCR
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 5
    Publication Date: 2017-11-27
    Description: Questo articolo descrive il contributo dato alla realizzazione del nuovo osservatorio scientifico multidisciplinare di fondo mare, realizzato dall'Istituto Nazionale di Geofisica e Vulcanologia nell'ambito del progetto EMSO-MEDIT, e destinato ad essere deposto a 100 km di profondità al largo di Portopalo di Capopassero (Sicilia). In questo lavoro viene descritto lo sviluppo del sistema operativo embeddedd dell'osservatorio e rappresenta lo step successivo rispetto a quanto introdotto in “Il sistema elettronico per l'alimentazione, il controllo e l'acquisizione dati del nuovo Osservatorio multidisciplinare di Portopalo di Capopassero”. Il sistema operativo embedded ospiterà il software di acquisizione, i tools di gestione e la sincronizzazione temporale. In particolare, analizzeremo le fasi di implementazione del sistema operativo embedded, realizzate attraverso l’uso di diversi prodotti della Xilinx. Per lo sviluppo è stato utilizzato un host con sistema operativo Linux. Il lavoro è stato realizzato su Ubuntu 14.04 LTS (64 bit) con installata la suite Xilinx Vivado 2014.4 e il toolchain Petalinux 2014.4, descritti di seguito.
    Description: Published
    Description: 1-24
    Description: 3A. Geofisica marina
    Description: N/A or not JCR
    Keywords: embedded linux ; seafloor observatory ; petalinux ; 05.04. Instrumentation and techniques of general interest ; 05.01. Computational geophysics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 6
    Publication Date: 2019-12-16
    Description: Questo articolo descrive il contributo dato alla realizzazione del nuovo osservatorio scientifico multidisciplinare di fondo mare, realizzato dall’Istituto Nazionale di Geofisica e Vulcanologia nell’ambito del progetto EMSO-MedIT, e destinato ad essere deposto a 100 km al largo di Portopalo di Capo Passero (Sicilia). Questo osservatorio costituisce un potenziamento dell’attività di monitoraggio in uno dei nodi dell’infrastruttura EMSO, chiamato Western Ionian Sea, particolarmente interessante per via dell’attività vulcanica e sismologica nell’area. Partendo dall’illustrazione delle caratteristiche generali di un osservatorio di fondo mare e dei sensori in esso presenti, si passa a presentare i requisiti e l’architettura del nuovo osservatorio di Portopalo di Capo Passero focalizzando l'attenzione sul presentare come è stato progettato e implementato il sistema elettronico per l’alimentazione e il controllo.
    Description: Published
    Description: 1-20
    Description: 5IT. Osservatori
    Description: N/A or not JCR
    Keywords: seafloor observatory ; fpga ; arduino ; 03.01. General
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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