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Ontology and Application for Reusable Search Interface Design

Ontology and Application for Reusable Search Interface Design. Plans for Advanced Semantic Technologies Final Project. Eric Rozell, Tetherless World Constellation. Outline. Project Overview Table of Contents (for Paper) Benefits of Semantics (claims) Project Status Questions from Class.

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Ontology and Application for Reusable Search Interface Design

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  1. Ontology and Application for Reusable Search Interface Design Plans for Advanced Semantic Technologies Final Project Eric Rozell, Tetherless World Constellation

  2. Outline • Project Overview • Table of Contents (for Paper) • Benefits of Semantics (claims) • Project Status • Questions from Class

  3. S2S Overview

  4. Table of Contents • Introduction / Background • Oceanographic challenges • Brief overview of S2S • Related Work • Faceted Browsing Platforms • Virtual Observatories • Semantic Web Services

  5. Table of Contents • Research Methodology • Semantic Web Methodology & Technology Development Process (Fox, McGuinness, et al., 2009) • 4DGeoBrowser and ExView(Lerner, Maffei, et al., 2001 & 2007) • Framework Ontology • Ontology structure and justification • Benefits of semantics

  6. Table of Contents • Application Prototype • Architecture • OpenSearch implementations • BCO-DMO, HydroBase, LOGD, VSTO • Results • Separation of development • Faceted browsing criteria (Polowinski, 2009)

  7. Table of Contents • Discussion • Conclusion • Extensible Framework • Enables community development • Provides uniform, customizable search interfaces • Future Work • Service-level discovery metadata • Provenance tracking / SAF integration • Web browser plugins

  8. Benefits of Semantics • Claim: S2S leverages semantics to provide a metadata vocabulary, and, in future versions, will use linked data practices for dereferenceable framework metadata.

  9. Benefit of Semantics

  10. Benefit of Semantics • Claim: S2S provides explicit semantics for the relationships between web services, search parameters, and user interface widgets.

  11. Benefit of Semantics

  12. Benefit of Semantics • Claim: S2S leverages RDFS reasoning to infer sub-class transitivity for type checking, and, in future versions, will use OWL-DL to perform instance integrity checking using cardinality and value qualifiers.

  13. Benefit of Semantics • For integrity checking… • …In component registration/validation • OpenSearchServicehasDescriptionDocumentexactly 1 xsd:anyURI • WidgethasGeneratorFunctionexactly 1 xsd:string • …In real-time user interface building • HierarchicalWidgetforWidgetonly OrdinalParameter • For sub-class reasoning… • …To answer queries like “select all widgets” when many widgets are not directly classified as type s2s:Widget

  14. Project Status • Introduction (drafted) • Related Work (90% drafted) • Research Methods (drafted, reviewed) • Application Ontology (75% drafted) • Application Prototype (outlined) • Results (outlined) • Conclusion (outlined)

  15. Stats • 16-20 pages (with figures) • 7 sections • 6 figures • 1 table • ~30 references • 6 month duration (3-4 solid weeks) • 75 cups of coffee

  16. Questions from Class • Jin: See slides 8, 10, and 12 • Peter: • Claim 1: Vocabulary and metadata are not Semantic Web terms. For an explanation of linked data see: http://bit.ly/PmwsA • Claim 2: Semantics is also not a Semantic Web term. Basically, I provide a directed graph where the vertices denote concepts and the arcs denote relationships between concepts in the framework. See: http://bit.ly/ebKcRV • Claim 3: See slide 12

  17. Questions from Class • Scott: S2S uses only lightweight semantics. Basically: • Structured metadata • Explicit semantics • Automated integrity checking • …propose alternative solution for reusable user interface and a federated search platform that spans web service standards? • Ping: Swoogle searches for ontologies, S2S is a search platform. Yes, I created the metadata.

  18. S2S Overview

  19. References • P. Fox, D. McGuinness, L. Cinquini, P. West, J. Garcia, J. Benedict, and D. Middleton, “Ontology-supported scientific data frameworks: The virtual solar- terrestrial observatory experience,” Computers and Geosciences, vol. 35, no. 4, pp. 724 – 738, 2009. • A. Maffei, S. Lerner, J. Lynch, A. Newhall, K. Fall, C. Sellers, Glenn, "ExView: A Real-time Collaboration Environment for Multi-ship Experiments," OCEANS 2007 - Europe, pp.1-6, 18-21 June 2007. doi: 10.1109/OCEANSE. 2007.4302345 • S. Lerner, A. Maffei, “4DGeoBrowser: A Web-Based Data Browser and Server for Accessing and Analyzing Multi-Disciplinary Data”, Woods Hole Oceanographic Institution, Technical Report, WHOI-2001-13, October 2001. • J. Polowinski, “Widgets for faceted browsing”, in: M. Smith, G. Salvendy (Eds.), Human Interface and the Management of Information. Designing Information Environments, Vol. 5617 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, 2009, pp. 601–610.

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