Videos tagged with RDF

Currently, one of the most practical application spaces for Semantic Web technologies is creating an ontological layer over existing legacy databases. Such layering allows flexible applications to be built without the cost of restructuring large amounts of data while maintaining the performance advantages of a relational database. Whereas applications designed to directly query a database encod...

Lecture slides: Ontologies, Semantic Web and Virtual Enterprises Agenda Agenda - Motivation Motivation Agenda - Ontologies Ontology Formality of Ontology Description Logics Agenda - Semantic Web Semantic Web RDF RDF Serialization RDFS OWL OWL as RDF graph OWL Reasoning Examples SPARQL Agenda - Selected Applications - Semantic Search Semantic Search Web versus Enterprise Semantic Search: Example...

Starting with an overview of the requirements for defining and using ontologies on the Web Sean will then outline the main concepts and issues associated with the Web ontology languaages, RDF, RDFS and OWL. By the end of this presentation attendees will have gained a basic understanding of the principles underlying OWL. Author: Sean Bechhofer, University Of Manchester

Lecture slides: Extending faceted navigation for RDF data Summary Outline Faceted browsing example: iTunes Faceted browsing: limitations Faceted browsing on the Semantic Web Selection operators Inverse operators Outline Interface construction algorithm Facet browsing: decision tree Facet ranking: optimising decision tree traversal Outline Prototype: choose FBI dataset Prototype: interested in t...

Lecture slides: Fresnel: A Browser-Independent Presentation Vocabulary for RDF Semantic Web Browsers and other RDF Visualization Tools Applications with different goals and approaches . . . . . . but faced with the same core issues Fresnel : a presentation vocabulary for RDF Outline Fresnel’s Foundational Concepts Core Lens Vocabulary - Content Selection and Ordering Code example Core For...

The Semantic Web has reached a level of maturity that allows RDF and OWL to be adopted by large commercial software companies. Many of the products that are based on these standards promise the ability to provide more effective solutions to the increasing IT complexity that many industries are facing. This presentation will describe Oracle's interest in being an early adopter of Semantic Web te...

Biomedical research and healthcare clinical transactions are generating huge volumes of information. Biomedical research literature doubles every 19 years and AIDS literature in particular doubles every 22 months. Biomedical research is now an information-based science marked by factory-scale sequencing generating huge amounts of data. A clinician, on the other hand, needs approximately 2 milli...

Summary Top rubyist Rich Kilmer gives InfoQ visitors an eye-opening look into his years of success using Ruby to tackle tough defense-related challenges at Darpa. Our interview covers a wide range of cutting-edge technologies from DSLs to Semantic Web technologies such as OWL, to using Flash as a front-end UI framework. Bio Rich Kilmer is the founder of Virginia-based software and services comp...

Come learn about new Microsoft technologies that enable you to make your data available over the Web through a simple REST interface and using open formats such as plan XML, JSON or even RDF. We also discuss the underlying entity framework that makes it easy to model, publish, and program against your data over the Web.