Letteratura scientifica selezionata sul tema "WLCG"
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Articoli di riviste sul tema "WLCG":
Sharma, Mayank, Maarten Litmaath, Eraldo Silva Junior e Renato Santana. "Lightweight WLCG Sites". EPJ Web of Conferences 214 (2019): 07019. http://dx.doi.org/10.1051/epjconf/201921407019.
Andreeva, Julia, Alexey Anisenkov, Alessandro Di Girolamo, Panos Paparrigopoulos e Natalia Diana Szczepanek. "CRIC as a core instrument for WLCG operations". EPJ Web of Conferences 295 (2024): 01014. http://dx.doi.org/10.1051/epjconf/202429501014.
Babik, Marian, Martin Bly, Tim Chown, Jiři Chudoba, Catalin Condurache, Alastair Dewhurst, Xavier Espinal Curull et al. "IPv6 in production: its deployment and usage in WLCG". EPJ Web of Conferences 214 (2019): 08010. http://dx.doi.org/10.1051/epjconf/201921408010.
Dack, Thomas, Federica Agostini, Jim Basney, Linda Cornwall, John Steven De Stefano Jr, Dave Dykstra, Francesco Giacomini et al. "WLCG Transition from X.509 to Tokens. Status, Plans, and Timeline". EPJ Web of Conferences 295 (2024): 04054. http://dx.doi.org/10.1051/epjconf/202429504054.
Dykstra, Dave. "Web Proxy Auto Discovery for Dynamically Created Web Proxies". EPJ Web of Conferences 245 (2020): 07026. http://dx.doi.org/10.1051/epjconf/202024507026.
Garrido, Borja, Julia Andreeva, Derek Weitzel, Alessandra Forti e Shawn McKee. "New XrootD Monitoring Implementation". EPJ Web of Conferences 295 (2024): 01040. http://dx.doi.org/10.1051/epjconf/202429501040.
Giordano, Domenico, Manfred Alef e Michele Michelotto. "Next Generation of HEP CPU Benchmarks". EPJ Web of Conferences 214 (2019): 08011. http://dx.doi.org/10.1051/epjconf/201921408011.
Fischer, Max, Eileen Kuehn, Manuel Giffels, Matthias Jochen Schnepf, Andreas Petzold e Andreas Heiss. "Lightweight dynamic integration of opportunistic resources". EPJ Web of Conferences 245 (2020): 07040. http://dx.doi.org/10.1051/epjconf/202024507040.
Giordano, Domenico, Jean-Michel Barbet, Tommaso Boccali, Gonzalo Menéndez Borge, Christopher Hollowell, Vincenzo Innocente, Walter Lampl et al. "HEPScore: A new CPU benchmark for the WLCG". EPJ Web of Conferences 295 (2024): 07024. http://dx.doi.org/10.1051/epjconf/202429507024.
Babik, Marian, Martin Bly, Nick Buraglio, Tim Chown, Dimitrios Christidis, Jiri Chudoba, Phil DeMar et al. "Overcoming obstacles to IPv6 on WLCG". EPJ Web of Conferences 295 (2024): 07036. http://dx.doi.org/10.1051/epjconf/202429507036.
Tesi sul tema "WLCG":
Chuchuk, Olga. "Optimisation de l'accès aux données au CERN et dans la Grille de calcul mondiale pour le LHC (WLCG)". Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ4005.
The Worldwide LHC Computing Grid (WLCG) offers an extensive distributed computing infrastructure dedicated to the scientific community involved with CERN's Large Hadron Collider (LHC). With storage that totals roughly an exabyte, the WLCG addresses the data processing and storage requirements of thousands of international scientists. As the High-Luminosity LHC phase approaches, the volume of data to be analysed will increase steeply, outpacing the expected gain through the advancement of storage technology. Therefore, new approaches to effective data access and management, such as caches, become essential. This thesis delves into a comprehensive exploration of storage access within the WLCG, aiming to enhance the aggregate science throughput while limiting the cost. Central to this research is the analysis of real file access logs sourced from the WLCG monitoring system, highlighting genuine usage patterns.In a scientific setting, caching has profound implications. Unlike more commercial applications such as video streaming, scientific data caches deal with varying file sizes—from a mere few bytes to multiple terabytes. Moreover, the inherent logical associations between files considerably influence user access patterns. Traditional caching research has predominantly revolved around uniform file sizes and independent reference models. Contrarily, scientific workloads encounter variances in file sizes, and logical file interconnections significantly influence user access patterns.My investigations show how LHC's hierarchical data organization, particularly its compartmentalization into datasets, impacts request patterns. Recognizing the opportunity, I introduce innovative caching policies that emphasize dataset-specific knowledge, and compare their effectiveness with traditional file-centric strategies. Furthermore, my findings underscore the "delayed hits" phenomenon triggered by limited connectivity between computing and storage locales, shedding light on its potential repercussions for caching efficiency.Acknowledging the long-standing challenge of predicting Data Popularity in the High Energy Physics (HEP) community, especially with the upcoming HL-LHC era's storage conundrums, my research integrates Machine Learning (ML) tools. Specifically, I employ the Random Forest algorithm, known for its suitability with Big Data. By harnessing ML to predict future file reuse patterns, I present a dual-stage method to inform cache eviction policies. This strategy combines the power of predictive analytics and established cache eviction algorithms, thereby devising a more resilient caching system for the WLCG. In conclusion, this research underscores the significance of robust storage services, suggesting a direction towards stateless caches for smaller sites to alleviate complex storage management requirements and open the path to an additional level in the storage hierarchy. Through this thesis, I aim to navigate the challenges and complexities of data storage and retrieval, crafting more efficient methods that resonate with the evolving needs of the WLCG and its global community
Huang, Yuan. "Workload control (WLC) : success in practice". Thesis, Lancaster University, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578264.
Hutchison, Claire. "Cloning and characterisation of WLC1, a gene that affects flowering time in Arabidopsis". Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323245.
Ornstein, Erika, e Carolina Josefsson. "An adaptation of the WLC approach for a make-to-order company with long lead times". Thesis, KTH, Industriell produktion, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-148796.
Företag som jobbar enligt tillverkning-mot-order och utveckling-mot-order har ofta få standardprodukter och en efterfragan som är svår att forutsäga. För att fåbeställningar skickar företaget offerter och konkurrerar om kunderna. Uppsatsen syftar till att identiera de faktorer som bidrar till osäkerhet i ledtiden hos tillverkning-mot-order-företag och sedan föreslå en metod för att hantera eller eliminera några av dessa faktorer. En fallstudie genomfördes på ett medelstort finmekanikföretag som kombinerar tillverkning-mot-order och utveckling-mot-order i ett manuellt produktionssystem. Företaget har långa ledtider i både orderprocessen och monteringen. Ledtiderna hos företaget mäts i veckor snarare än minuter, timmar eller dagar. Information samlades in under en tremånadersperiod genom intervjuer med de anställda, närvaro på möten och observationer av monteringen. Informationen strukturerades och analyserades med hjälp av till exempel släktskapsdiagram, relationsdiagram och en miniriskanalys. En lösning valdes genom ett matrisdiagram, som jämför olika möjliga lösningar i förhållande till de identifierade faktorerna. Undersökningen visade att offereringen av leveranstider var ett betydande problem. Det finns en tendens att offerera mer än vad som skulle vara möjligt att producera, för att se till att företaget får tillräckligt med beställningar. Denna strategi orsakar osäkerhet i de ledtider som offereras, eftersom fler offerter än vad som är mojligt kan accepteras och beställningar får sedan vänta på att andra ska bli klara. De långa ledtiderna ökar problemet ytterligare, eftersom effekterna från offertfasen inte märks förrän månader senare. Många gånger resulterar det i att företaget har allt för många beställningar att jobba med och en stressig miljö i monteringen. De föreslagna förbättringarna bygger på arbetsbelastningskontroll, med beslutspunkter vid kundförfrågan & beställning samt orderstart i montering. Målet är att företaget ska kunna göra väl underbyggda och motiverade planeringsbeslut där prioriteringar tillämpas på ett systematiskt sätt. Fokus bör därför ligga på att förbättra kommunikationen mellan avdelningarna. Ett viktigt steg är att visualisera kapacitetsutnyttjandet när vi letar efter ett nytt leveransdatum. Även de offerter som skickats ut men ännu inte accepterats bör beaktas eftersom de innebär en eventuell efterfrågan och användning av kapaciteten. Det förväntade resultatet av metoden är att de offererade ledtiderna kommer att vara mer exakt och bolaget kommer att ha bättre möjligheter att leverera i tid.
Martinazzo, Davide. "VALUTAZIONE DEI PARAMETRI E DELLE LOGICHE DI FUNZIONAMENTO DEL WORKLOAD CONTROL (WLC) TRAMITE SIMULAZIONE DI UN SISTEMA PRODUTTIVO COMPLESSO". Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3422851.
La tesi ha come obiettivo l’approfondimento del sistema di pianificazione e controllo della produzione noto come Workload Control (WLC). Da tempo infatti è stata riconosciuta l’idea che tecniche di gestione della produzione come il Just-In-Time (JIT) non sono di facile applicazione in ambienti fortemente complessi con produzione poco ripetitiva e molto estesa in termini di varietà offerta al cliente. Alla fine degli anni ‘70, in più parti del mondo, i ricercatori hanno iniziato a sviluppare ed implementare alcuni metodi per il rilascio controllato degli ordini, noti come ORR systems (Order Review and Release), che consentissero di limitare il work-in-process in produzione ottenendo un reparto snello, prescindendo dall’utilizzo di complessi e costosi software per schedulazione. Benché il WLC sia stato sviluppato a partire dai primi anni ‘80, fin ora sono state riportate solamente una manciata di casi applicativi di successo. Il progetto di ricerca condotto ha permesso il raggiungimento dei seguenti obiettivi: approfondire le conoscenze teoriche di funzionamento di alcuni metodi e regole facenti parte del modello WLC in un sistema complesso, considerando integralmente la struttura di prodotto e dei cicli tecnologici, dei flussi di materiali e la distribuzione degli ordini cliente. valutare l‘effetto e l‘interazione dei vari parametri di funzionamento e delle differenti logiche di WLC definiti all‘interno del modello proposto su alcuni indicatori di prestazione operativi. Testare le prestazioni di un nuovo metodo di rilascio degli ordini facente parte della categoria del load balancing. Il lavoro di tesi, attraverso un approccio simulativo, esamina i parametri costituenti il metodo WLC in un ambiente manifatturiero esistente di tipo job shop operante con logica to-order. L‘approccio simulativo consente in primo luogo di testare alcune logiche e in secondo luogo di variare tali logiche e i valori dei parametri di funzionamento del modello senza intervenire direttamente in azienda. L‘unicità ed il valore del lavoro di tesi deriva dalla complessità del modello adottato, che riproduce molto fedelmente quello aziendale. Le dimensioni del piano sperimentale sviluppato, in termini di numerosità dei fattori e dei livelli considerati costituisce un ulteriore elemento di pregio. L‘estensione del piano sperimentale consente infatti di valutare gli effetti e le interazioni di molti dei parametri costituenti il modello WLC. Le analisi dei dati sperimentali, nonché un’ulteriore analisi della letteratura scientifica di riferimento, hanno permesso di approfondire le conoscenze teoriche e le problematiche di funzionamento inerenti l’implementazione del Workload Control all’interno di un sistema manifatturiero complesso, e di individuare alcune possibili leve di intervento. Alcuni risultati si discostano fortemente da quanto presente in letteratura; questo fatto è principalmente legato alla complessità e alle verosimiglianza del modello impiegato, che si distingue nettamente da quelli stilizzati di sovente impiegati nelle ricerche di carattere simulativo
Nunes, da Silva Ramos Filipe José. "Identification of Suitable Areas for Offshore Macroalgae Cultivation". Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-243911.
Corti, Fabio. "Introduzione di un sistema di accesso wireless distribuito a gestione centralizzata in ambiente di tipo Enterprise o Campus". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7143/.
Aktug, Onur. "An Agent-based Order Review And Release System In Make-to-order Production". Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605611/index.pdf.
queues into the workshop and the flow of finished goods out of the workshop. This study is concerned with the job entry and release level of WLC which maintains a pool of unreleased jobs for the controlled release of jobs. While most of the studies in WLC concepts deal with the centralized workload control, our study decentralizes the job entry and release control and makes workstations more powerful in schedule decision making. Job&rsquo
s information is sent to the workstations by mediator which is the supervisor of the workstation. Both mediator and work stations are represented by agents in a distributed system. Jobs&rsquo
routing information is assumed to be known in advance. The developed system is verified and validated by means of test runs. Results are analyzed as well.
Pool, Maag Silvia. "Berufsintegration unter sonderpädagogischer Perspektive : förderorientiertes Coaching von Jugendlichen am Übergang Schule-Beruf /". kostenfrei, 2008. http://www.dissertationen.unizh.ch/show_results.php?func=find-c&local_base=hoch&ccl_term=WRD%3Dpool+berufsintegration&sc1=WRD&sr1=pool+berufsintegration&filter_code_1=WLC&filter_request_1=uni-zh+AND+wft%3Delektron+daten+fernzugriff.
Bailer, Titus. "Hochbegabte Kinder und Jugendliche mit einer Hörschädigung /". kostenfrei, 2008. http://www.dissertationen.unizh.ch/show_results.php?func=find-c&local_base=hoch&ccl_term=WRD%3Dbailer+titus&sc1=WRD&sr1=bailer+titus&filter_code_1=WLC&filter_request_1=uni-zh+AND+wft%3Delektron+daten+fernzugriff.
Libri sul tema "WLCG":
International Workshop on Liquid Crystalline Polymers (1993 Capri, Italy). Liquid crystalline polymers: Proceedings of the International Workshop on Liquid Crystalline Polymers, WLCP 93, Capri, Italy, June 1-4, 1993. Oxford, England: Pergamon, 1994.
Sion, Radu. Financial Cryptography and Data Security: FC 2010 Workshops, RLCPS, WECSR, and WLC 2010, Tenerife, Canary Islands, Spain, January 25-28, 2010, Revised Selected Papers. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2010.
Hoffmann, Frank W. Wlcx Weekly Music Charts: 1960 - 1977. Independently Published, 2019.
WLC: Women leaders of Colorado. Denver, Colo: Western Images Publications, 1991.
Ollier-Malaterre, Ariane. Cross-National Work–Life Research. A cura di Tammy D. Allen e Lillian T. Eby. Oxford University Press, 2015. http://dx.doi.org/10.1093/oxfordhb/9780199337538.013.18.
Kids, PI. Little Sound Book Potty Time with Elmo WLG. Phoenix International Publications, Incorporated, 2021.
Koran, Frantisek, e Jan Mostek. Harley-Davidson Soldiers in Detail. Wings & Wheels Publications, 2005.
Carfagna, C. Liquid Crystalline Polymers: Proceedings of the International Workshop on Liquid Crystalline Polymers, WLCP 93, Capri, Italy, June 1-4 1993. Elsevier Science & Technology Books, 2013.
Miret, Josep M., Sven Dietrich, Radu Sion, Aggelos Kiayias e Reza Curtmola. Financial Cryptography and Data Security: FC 2010 Workshops, RLCPS, WECSR, and WLC 2010, Tenerife, Canary Islands, Spain, January 25-28, 2010, Revised Selected Papers. Springer Berlin / Heidelberg, 2016.
Capitoli di libri sul tema "WLCG":
Adeel-ur-Rehman, Sajjad Asghar e Usman Ahmad Malik. "WLCG Node in Pakistan – Challenges & Experiences". In Managed Grids and Cloud Systems in the Asia-Pacific Research Community, 55–65. Boston, MA: Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-6469-4_3.
Farcas, F., e G. Popeneciu. "Toward a High Performance Grid Site RO-14-ITIM and the Contribution to WLCG". In Technological Developments in Networking, Education and Automation, 609–13. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9151-2_106.
Bonacorsi, D., e O. Gutsche. "From the CMS Computing Experience in the WLCG STEP’09 Challenge to the First Data Taking of the LHC Era". In Data Driven e-Science, 357–72. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8014-4_28.
Miret, Josep M., e Francesc Sebé. "WLC Preface". In Financial Cryptography and Data Security, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14992-4_1.
Milstein, Joshua N., e Jens-Christian Meiners. "Worm-Like Chain (WLC) Model". In Encyclopedia of Biophysics, 2757–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-16712-6_502.
Tzanakakis, Konstantinos. "LCC and WLC (Whole Life Costing)". In Springer Tracts on Transportation and Traffic, 305–6. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36051-0_40.
Dijkstra, Edsger W. "WLOG, or the misery of the unordered pair (EWD1223)". In Mathematical Methods in Program Development, 33–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60858-2_9.
March, Chris. "Whole life costing (WLC) and life cycle assessment (LCA)". In Construction Management, 100–112. Abingdon, Oxon : Routledge, 2017. |: Routledge, 2017. http://dx.doi.org/10.4324/9781315528175-9.
Fernandes, N. O., e S. Carmo-Silva. "A Simulation Study of Workload Accounting Methods for WLC". In Communications in Computer and Information Science, 270–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-16402-6_29.
Chen, Zhixiong, Leixin Zhi, Peiru Chen e Lei Zhang. "Simulation Analysis of PLC/WLC Hybrid Communication with Traffic Model". In Lecture Notes in Computer Science, 278–89. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78609-0_24.
Atti di convegni sul tema "WLCG":
Adamová, Dagmar, Alexandr Mikula, Martin Adam, Jiří Chudoba, Petr Vokáč e Jana Uhlířová. "The contribution of the WLCG Tier-2 site in Prague to the global WLCG operations". In The Ninth Annual Conference on Large Hadron Collider Physics. Trieste, Italy: Sissa Medialab, 2021. http://dx.doi.org/10.22323/1.397.0233.
Crooks, David, e Liviu Vâlsan. "WLCG Security Operations Centres Working Group". In International Symposium on Grids and Clouds (ISGC) 2017. Trieste, Italy: Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.293.0025.
Meoni, Marco. "Beyond Batch Computing on the WLCG Grid". In 2011 12th IEEE/ACM International Conference on Grid Computing (GRID). IEEE, 2011. http://dx.doi.org/10.1109/grid.2011.34.
De Witt, Shaun, e Andrew Lahiff. "An Analysis of Data Access Methods within WLCG". In International Symposium on Grids and Clouds 2015. Trieste, Italy: Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.239.0020.
Appleyard, Robert, James H. Adams e Shaun De Witt. "First Experiences with CEPH on the WLCG Grid". In International Symposium on Grids and Clouds (ISGC) 2014. Trieste, Italy: Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.210.0037.
Kiryanov, Andrey, Alexei Klimentov, Xavier Espinal e Andrey Zarochentsev. "Russian academic institutes participation in WLCG DataLake project". In International Symposium on Grids & Clouds 2019. Trieste, Italy: Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.351.0002.
Kashunin, I., V. Mitsyn e T. Strizh. "JINR WLCG TIER1 & TIER2/CICC ACCOUNTING SYSTEM". In 9th International Conference "Distributed Computing and Grid Technologies in Science and Education". Crossref, 2021. http://dx.doi.org/10.54546/mlit.2021.23.36.001.
Ciubancan, Mihai, Teodor Ivanoaica e Mihnea Dulea. "New developments of the WLCG site at IFIN-HH". In 2015 Conference Grid, Cloud & High Performance Computing in Science (ROLCG). IEEE, 2015. http://dx.doi.org/10.1109/rolcg.2015.7367426.
JUNG, Christopher, Andreas Petzold e Marian Zvada. "Experiment representation at the WLCG Tier-1 center GridKa". In EGI Community Forum 2012 / EMI Second Technical Conference. Trieste, Italy: Sissa Medialab, 2012. http://dx.doi.org/10.22323/1.162.0032.
Sciaba', Andrea, Stefano Belforte, Alessandra Fanfani, Ian Fisk, Josè Flix Molina, Jose Hernandez, Jukka Klem et al. "The commissioning of CMS computing centres in the WLCG Grid". In XII Advanced Computing and Analysis Techniques in Physics Research. Trieste, Italy: Sissa Medialab, 2009. http://dx.doi.org/10.22323/1.070.0043.
Rapporti di organizzazioni sul tema "WLCG":
Millar, Paul, Andrea Ceccanti, Fabrizio Furano, Dmitry Litvintsev, Brian Paul Bockelman e Alessandra Forti. Third-party transfers in WLCG using HTTP. Office of Scientific and Technical Information (OSTI), novembre 2019. http://dx.doi.org/10.2172/1633093.
Yang, Wei. Xrootd Thirty Party Copy for WLCG and HL-LHC. Office of Scientific and Technical Information (OSTI), novembre 2019. http://dx.doi.org/10.2172/1633095.