Collaboration between SAML federations and OpenStack clouds

Héder, Mihály; Tenczer, Szabolcs; Biancini, Andrea

doi:10.1016/j.softx.2018.12.003

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…And, of course, the authentication method matches the user base; with the help of the eduGAIN-enabled Hungarian SAML federation (eduID.hu) and a module developed for OpenStack by the MTA Cloud team (Héder, Tenczer and Biancini 2019), there is no need for local passwords for any users. The authorisation is performed by HEXAA (Tétényi et al 2015).…”

Section: Scientific Use Casesmentioning

confidence: 99%

The Past, Present and Future of the ELKH Cloud

Héder¹,

Rigo²,

Medgyesi³

et al. 2022

InfTars

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This review article summarizes the history the Hungarian Scientific Cloud Infrastructure project. This research infrastructure was launched officially on 1 October 2016, funded by the Hungarian Academy of Sciences. With the support of ELKH, the infrastructure’s capacity has been substantially boosted; the features and workflows that it offers to scientists were significantly expanded to celebrate the arrival of the year 2022. The article reviews the types of work Hungarian researchers implemented on the infrastructure, thereby providing an overview of the state of cloud-computing enabled science in Hungary.

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Section: Scientific Use Casesmentioning

confidence: 99%

The Past, Present and Future of the ELKH Cloud

Héder¹,

Rigo²,

Medgyesi³

et al. 2022

InfTars

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“…We now investigate the possibility of testing the FK model combining the information from the GW BBH events reported in the gravitational-wave transient catalogs GWTC-1 [102] and GWTC-2 [95], using the GW strain data publicly available at the Gravitational Wave Open Science Center [87,103]. The events that we analyse are reported in table 2, along with the log Bs associated to the GR and nGR models.…”

Section: Inferring α From O1-o2-o3a Eventsmentioning

confidence: 99%

Quantum black hole spectroscopy: probing the quantum nature of the black hole area using LIGO–Virgo ringdown detections

Laghi

Carullo

Veitch

et al. 2021

Class. Quantum Grav.

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We present a thorough observational investigation of the heuristic quantised ringdown model presented by Foit and Kleban (2019 Class. Quantum Grav. 36 035006). This model is based on the Bekenstein–Mukhanov conjecture, stating that the area of a black hole (BH) horizon is an integer multiple of the Planck area l P 2 multiplied by a phenomenological constant, α, which can be viewed as an additional BH intrinsic parameter. Our approach is based on a time-domain analysis of the gravitational wave (GW) signals produced by the ringdown phase of binary BH mergers detected by the LIGO and Virgo collaboration. Employing a full Bayesian formalism and taking into account the complete correlation structure among the BH parameters, we show that the value of α cannot be constrained using only GW150914, in contrast to what was suggested by Foit and Kleban (2019 Class. Quantum Grav. 36 035006). We proceed to repeat the same analysis on the new GW events detected by the LIGO and Virgo Collaboration up to 1 October 2019, obtaining a combined-event measure equal to α = 15 . 6 − 13.3 + 20.5 and a combined log odds ratio of 0.1 ± 0.6, implying that current data are not informative enough to favor or discard this model against general relativity. We then show that using a population of O ( 20 ) GW150914-like simulated events—detected by the current infrastructure of ground-based detectors at their design sensitivity—it is possible to confidently falsify the quantised model or prove its validity, in which case probing α at the few % level. Finally we classify the stealth biases that may show up in a population study.

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The Comparative Analysis of Technologies and Software for Single Sign-On

Sergey

2023

2023 19th International Asian School-Seminar on Optimization Problems of Complex Systems (OPCS)

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Collaboration between SAML federations and OpenStack clouds

Cited by 4 publications

References 3 publications

The Past, Present and Future of the ELKH Cloud

The Past, Present and Future of the ELKH Cloud

Quantum black hole spectroscopy: probing the quantum nature of the black hole area using LIGO–Virgo ringdown detections

The Comparative Analysis of Technologies and Software for Single Sign-On

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