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X-WR-CALDESC:Eventi per ISISLab
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DTSTART:20230326T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20230303T160000
DTEND;TZID=Europe/Rome:20230303T170000
DTSTAMP:20260915T175518
CREATED:20230302T100112Z
LAST-MODIFIED:20230302T100113Z
UID:13197-1677859200-1677862800@www.isislab.it
SUMMARY:Seminario: "The Impact of COVID-19 on Authoring Open Data in High School" di Maria Angela Pellegrino
DESCRIPTION:Abstract: "Open Data are data that can be freely used\, created and shared by anyone. Initiatives to let K-12 learners exploit Open Data are rare in literature\, and the situation is even worse if we look for opportunities to move them in the position of Open Data publishers. To advance the dialogue around Open Data\, HETOR regularly organises workshops with secondary school learners to let them create\, publish\, and exploit Open Data by SPOD since 2016. While workshops were organised as physical meetings\, during the COVID-19 pandemic\, HETOR required to revise the performed protocol. This talk reports changes applied to the workshops proposed by HETOR and compares workshops' results before and after the COVID-19. While the quantity and quality of the workshops outcome increased during the workshops that took place after the COVID-19 pandemic demonstrating that Open Data based initiatives can successfully survive in remote settings\, quality scores are more heterogeneous during after-COVID workshops demonstrating that remote settings make educational inequalities worse."
URL:https://www.isislab.it/event/seminario-the-impact-of-covid-19-on-authoring-open-data-in-high-school-di-maria-angela-pellegrino/
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20230310T120000
DTEND;TZID=Europe/Rome:20230310T120000
DTSTAMP:20260915T175518
CREATED:20230308T121128Z
LAST-MODIFIED:20230308T121129Z
UID:13204-1678449600-1678449600@www.isislab.it
SUMMARY:Seminario: "Asynchronous Computational Workflows on a Volunteer-Computing Decentralized Architecture" di Luigi Serra
DESCRIPTION:Abstract:The amount of accessible computational devices over the Internet offers an enormous but latent computational power. Nonetheless\, the complexity of orchestrating and managing such devicesrequires dedicated architectures and tools and hinders the exploitation of this vast processing capacity. Over the last years\, the paradigm of (Browser-based) Volunteer Computing emerged as a unique approach to harnessing such computational capabilities\, leveraging the idea of voluntarily offering resources. This seminar introduces VFuse\, a groundbreaking architecture to exploit the Browser-based Volunteer Computing paradigm via a ready-to-access volunteer network. VFuse offers a modern multi-language programming environment for developing scientific workflows using WebAssembly technology without requiring the user any local installation or configuration. We equipped our architecture with a secure and transparent rewarding mechanism based on blockchain technology (Ethereum) and distributed P2P file system (IPFS). Further\, the use of Non-Fungible Tokens provides a unique\, secure\, and transparent methodology for recognizing theusers’ participation in the network.
URL:https://www.isislab.it/event/seminario-asynchronous-computational-workflows-on-a-volunteer-computing-decentralized-architecture-di-luigi-serra/
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END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20230317T160000
DTEND;TZID=Europe/Rome:20230317T170000
DTSTAMP:20260915T175518
CREATED:20230314T110100Z
LAST-MODIFIED:20260511T153245Z
UID:13214-1679068800-1679072400@www.isislab.it
SUMMARY:Seminari di Lucio Grimaldi  e Christian Gambadella
DESCRIPTION:"Simulazioni ABM in Unity3D: l’architettura del client e la gestione dei messaggi" di Lucio Grimaldi\n\n\n\n\nAbstract : Il panorama delle simulazioni è in grado di dare un grande apporto allo studio dei fenomeni reali. I modelli computazionali studiati per simularli\, sono in grado di aumentare la conoscenza che abbiamo del mondo che ci circonda. I software sviluppati ad hoc per questi obiettivi sono creati per riprodurre il fenomeno che deve essere modellato\, osservato e analizzato con il fine di imparare qualcosa di nuovo. La natura articolata e complessa dei fenomeni e dei modelli\, fa si che lo sforzo si è concentrato sempre sulla tecnica di implementazione\, sull’ottimizzazione e raramente sulla loro rappresentazione grafica e sulla capacità che essi hanno di trasmettere le informazioni a chi non è un esperto del settore. Il progetto sviluppato è diviso in tre macro aree che corrispondono alla creazione di una metodologia di astrazione e prototipazione dei modelli di simulazione su motore di simulazione MASON per la prima parte\, ad un middleware in grado di far comunicare MASON e il motore grafico Unity 3D sviluppato da me ed infine un’ultima parte riguardante l’implementazione grafica in Unity3D. \n\n\n\n2. "Knowledge Graph e IoT: una revisione sistematica della letteratura" di Christian Gambardella \n\n\n\nUn Knowledge Graph rappresenta una rete di entità del mondo reale\, come oggetti\, eventi\, situazioni o concetti\, e illustra le relazioni tra di esse. Queste informazioni vengono di solito immagazzinate\, come suggerisce il nome\, in una base di dati a grafo e poi visualizzate nella medesima forma. Questa tecnologia\, annoverata tra le cosiddette Semantic Web Technology\, continua a diffondersi a macchia d’olio\, aumentando in numero (ad esempio il Google Knowledge Graph supera le 500 milioni di entità) ma anche e sopratutto nelle possibili applicazioni: proprio tenendo a mente questo ci siamo chiesti qualefosse lo stato dell’arte in ambito Internet of Things\, perno fondamentale della quarta rivoluzione industriale e delle “città del futuro”. L’obiettivo della nostra ricerca\, effettuata su 1733 articoli prelevati da Scopus e pubblicati in lingua inglese tra il 2013 e il 2022\, è definire una fotografia quanto piùampia e dettagliata del connubio tra i due mondi.Scopo di questo breve seminario sarà riassumere le metodologie usate in fase di revisione ed illustrare i principali risultati del nostro lavoro.
URL:https://www.isislab.it/event/seminari-di-lucio-grimaldi-e-christian-gambadella/
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BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20230324T140000
DTEND;TZID=Europe/Rome:20230324T150000
DTSTAMP:20260915T175518
CREATED:20230321T152700Z
LAST-MODIFIED:20230321T164020Z
UID:13220-1679666400-1679670000@www.isislab.it
SUMMARY:Seminario: "Combining Agent-based Model and Discrete Event Simulation: the approach of Hybrid Simulation Modeling" di Giuseppe D'Ambrosio
DESCRIPTION:Abstract: Agent-Based Modeling (ABM) and Discrete Event Simulation (DES) are two of the most common simulation approaches\, and are supported by many simulation tools. Recently\, modelers have begun integrating these methods to simulate real-world situations which have some elements better represented by DES and others better represented by ABM. Hybrid ABM and DES simulation is a growing trend but there is a lack of simulation software supporting it\, and effectively no open-source software at all. The seminar will introduce the concept of Hybrid Simulation\, focusing on the combination of ABM and DES simulation methodologies to realize more accurate and powerful models.
URL:https://www.isislab.it/event/seminario-combining-agent-based-model-and-discrete-event-simulation-the-approach-of-hybrid-simulation-modeling-di-giuseppe-dambrosio/
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BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20230331T120000
DTEND;TZID=Europe/Rome:20230331T120000
DTSTAMP:20260915T175518
CREATED:20230329T180837Z
LAST-MODIFIED:20230329T180838Z
UID:13226-1680264000-1680264000@www.isislab.it
SUMMARY:Seminario: Groups Burning: Analyzing Spreading Processes in Community-based Networks di Gennaro Cordasco
DESCRIPTION:Abstract:Graph burning is a deterministic\, discrete-time process that can be used to model how influence or contagion spreads in a graph. In the graph burning process\, each node starts as dormant\, and becomes informed/burned over time; when a node is burned\, it remains burned until the end of the process. In each round\, one can burn a new node (source of fire) in the network. Once a node is burned in round $t$\, in round $t+1$\, each of its dormant neighbors becomes burned. The process ends when all nodes are burned; the goal is to minimize the number of rounds.We study a variation of graph burning in order to model spreading processes in community-based networks. With respect to a specific piece of information\, a community is {\em satisfied} when this information reaches at least a prescribed number of its members. Specifically\, we consider the problem of identifying a minimum length sequence of nodes that\, according to a graph burning process\, allows to satisfy all the communities of the network.We investigate this NP-hard problem from an approximation point of view\, showing both a lower bound and a matching upper bound. We also investigate the case when the number of communities is constant and show how to solve the problem with a constant approximation factor.Moreover\, we consider the problem of maximizing the number of satisfied groups\, given a budget $k$ on the number of rounds.
URL:https://www.isislab.it/event/seminario-groups-burning-analyzing-spreading-processes-in-community-based-networks-di-gennaro-cordasco/
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