terminologies: an e-science perspective nicholas gibbins intelligence, agents, multimedia university...
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Terminologies: An e-Science perspective
Nicholas GibbinsIntelligence, Agents, Multimedia
University of Southampton
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What is e-Science?
• e-Science is science performed through distributed global collaborations
• Key characteristics:– Internet-based– Very large data collections– Terascale computing resources– High performance visualisations and services
• Central notion of Grid Computing (large-scale distributed computing)
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UK e-Science projects
• GEODISE (design optimisation)• Comb-e-chem (combinatorial chemistry)• MyGrid (in silico biology)• RealityGrid (condensed matter physics)• AstroGrid (virtual observatory)• GridPP (LHC grid)• Climate Prediction• …
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The data deluge
• More data than we can cope with!• The goal: the right information, to the right
person, at the right time
• e-Science requires resource discovery– Find the relevant data for your experiments
• e-Science requires service discovery– Find the relevant services to help you conduct your
experiments
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The need for terminologies
• e-Science grids must be able to:– Manage experimental data– Manage metadata about data and services
(for resource and service discovery)
• Need agreed languages, or terminologies, for expressing data and metadata
• Many types of terminology:– Controlled vocabularies– Taxonomies (hierarchical controlled vocabs)– Ontologies (taxonomies with relations, constraints)
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e-Science Terminologies in use
• Some domain terminologies already exist:– IUPAC Gold Book, CML– Gene Ontology Consortium
• Some e-Science projects are writing their own:– Design process ontologies (GEODISE)– Bioinformatics ontologies (myGrid)– …
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e-Science and the Semantic Web
• The Semantic Web is the next generation Web– The Web for machines– Machine-understandable information
• Several attractive features for e-Scientists– Ontology definition languages: RDF and OWL– Good integration with Web (and Grid) Services– Domain neutral– Growing tool support for SW technologies