FRINK Linked Data Fragments server

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• W55910774 abstract "Large scale climate data analysis could not be constrained to a single data archive. Rather, linking many differentdata archives delivers new insights into the fundamental processes in climate science. Thus infrastructuresemerged supporting the development of distributed climate data analysis workflows by providing integrated dataand workflow management middleware. Two examples of this development are the ESGF infrastructure and theC3Grid.The ESGF data federation is based on an international effort to establish a distributed archive serving climatemodel data from large climate modeling intercomparison projects like CMIP5. C3Grid was developed as a nationalinitiative for a climate data processing and data access infrastructure in Germany, integrating national climate datacenters with compute providers.While no support for processing workflows is currently integrated into the ESGF infrastructure (some developmentefforts are on the way), the C3Grid offers several processing features with different diagnostic workflows. Theexperiences in this context show the complexity and fragility of efforts to provide operational workflows relyingon a distributed e-science infrastructure composed of middleware services interacting with distributed computeand storage resources.Based on this experience we present a generic workflow integration process. The basic idea is to modularizethe necessary integration steps of workflows into the C3Grid e-science infrastructure. The presented workflowsalso use data sources integrated in the worldwide ESGF data federation.In a nutshell the process is structured as follows:1) local development and test of a data analysis components / workflows with example data2) Exposition of the workflows as a processing web service based on the WPS OGC standard using locally hosteddata3) Generalizing the workflows by explicit inclusion of data staging tasks (thus extension to externally hosted data)alongside with persistent data identification (e.g. for provenance tracking of generated data products)4) Development of a workflow parametrization GUI5) Integration of workflows and GUI into the C3Grid infrastructureThe key advantages of this process are:- early access and testing of newly developed functionality- ease of access and reuse of analysis components (with a restricted set data sources) independent of the C3Gridmiddleware e.g. for testing and research- additional effort for integration into the C3Grid infrastructure is only done for well tested workflows which havereached production status- clear interaction points between domain scientists (workflow developers) and e-science experts (infrastructuredevelopers)The approach is illustrated by workflows developed by the climate service center (CSC)." @default.
• W55910774 created "2016-06-24" @default.
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• W55910774 date "2013-04-09" @default.
• W55910774 modified "2023-09-23" @default.
• W55910774 title "A stepwise approach to integrate climate data analysis workflows into e-science infrastructures" @default.
• W55910774 hasPublicationYear "2013" @default.
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