The Use of Standards in HELIO
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2012Access:
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Gabriele Pierantoni, Brian Coghlan and Eamonn Kenny, The Use of Standards in HELIO, Computer SCIence Journal, ISSN 1508-2806 (also presented at the Crakow Grid Workshop 2011, Crakow, Poland, October, 2011), 13, 2, 2012, 93-102Download Item:
Abstract:
HELIO [8] is a project funded under the FP7 program for the discovery and
analysis of data for heliophysics.
During its development, standards and common frameworks were adopted in
three main areas of the project: query services, processing services, and the
security infrastructure.
After a first, proprietary implementation of the security service, it was suggested moving it to a standard security framework to simplify the enforcement
of security on the different sites. As the HELIO front end is built with Spring
and the TAVERNA server (HELIO workflow engine) has a security framework
compatible with Spring, it has been decided to move the CIS in Spring security [2].
HELIO has two different processing services: one is a generic processing service
called HELIO Processing Services (HPS), the other is called Context Service
(CTX) and it runs specific IDL procedures. The CTX implements the UWS [4]
interface from the IVOA [5], a standard interface for job submission used in the
helio and astro-physics community. In its final release, the HPS will expose an
UWS compliant interface.
Finally, some of the HELIO services perform queries, to simplify the implementation and usage of this services a single query interface (the HELIO Query
Interface) has been designed for all these services. The use of these solutions for
security, execution, and query allows for easier implementation of the original
HELIO architecture and for a simpler deployment of the services
Author's Homepage:
http://people.tcd.ie/ekennyhttp://people.tcd.ie/coghlan
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PUBLISHED
Author: KENNY, EAMONN; COGHLAN, BRIAN
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Computer SCIence Journal, ISSN 1508-2806 (also presented at the Crakow Grid Workshop 2011, Crakow, Poland, October, 2011);13;
2;
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HeliophysicsSubject (TCD):
Smart & Sustainable PlanetDOI:
10.7494/csci.2012.13.2.93Metadata
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