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Using RDF to Annotate Text and Photos

Chapter 2. Using RDF to Annotate Text and Photos. 발표자 : 김민수. Introduction. Annotations are external comments, notes, remarks that can be attached to any Web document or a selected part of the document From the technical point of view, annotations are usually seen as metadata

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Using RDF to Annotate Text and Photos

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  1. Chapter 2 Using RDF to Annotate Text and Photos 발표자: 김민수

  2. Introduction • Annotations are external comments, notes, remarks that can be attached to any Web document or a selected part of the document • From the technical point of view, annotations are usually seen as metadata • as they give additional information about an existing piece of data Using RDF to Annotate Text and Photos

  3. Introduction • Annotations are a first step towards building a Semantic Web • to handle and associate metadata with content Using RDF to Annotate Text and Photos

  4. Introduction • Annotations as metadata Using RDF to Annotate Text and Photos

  5. Introduction Ontology Amaya Protégé-2000 Annotated document rdfpic Using RDF to Annotate Text and Photos

  6. Introduction • Underlying architecture Apache + MySQL + Perl + CGI Using RDF to Annotate Text and Photos

  7. Introduction • An annotation instance Using RDF to Annotate Text and Photos

  8. Introduction <?xml version="1.0" ?> <r:RDF xmlns:r="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:a="http://www.w3.org/2000/10/annotation-ns#" xmlns:http="http://www.w3.org/1999/xx/http#" xmlns:d="http://purl.org/dc/elements/1.0/"> <r:Description> <r:type resource="http://www.w3.org/2000/10/annotation-ns#Annotation" /> <r:type resource="http://www.w3.org/2000/10/annotationType#Comment" /> <a:annotates r:resource="http://example.org/XDoc.html" /> <a:context>http://example.org/XDoc.html#xpointer(/html[1]/body[1]/ul[5]/li[4]/a[1])</a:context> <d:creator>Ralph</d:creator> <a:created>2000-01-10T17:20:41</a:created> <d:date>2001-03-10T19:33:00</d:date> <a:body r:resource="http://example.org/postit.html" /> </r:Description> </r:RDF> • An annotation instance Using RDF to Annotate Text and Photos

  9. Introduction • RDF annotation schema Using RDF to Annotate Text and Photos

  10. Introduction • Open infrastructure in Amaya/Annotea • RDF schema for defining annotation properties • XPointer for associating annotations to any XML document • XLink for presentation • HTTP for data exchanges Using RDF to Annotate Text and Photos

  11. Annotation of Text • Amaya • The annotation client • The full-featured browser/editor form the W3C • supports CSS, MathML, XHTML, HTML • provides a basic implementation of XLink and XPointer Using RDF to Annotate Text and Photos

  12. Using RDF to Annotate Text and Photos

  13. Using RDF to Annotate Text and Photos

  14. Configuration for server and filter Using RDF to Annotate Text and Photos

  15. Annotation of Photo • rdfpic Using RDF to Annotate Text and Photos

  16. Using RDF to Annotate Text and Photos

  17. Perspective • Applications • Threading: collaborative discussion using annotations • Machine generated annotations • Shared bookmarks Using RDF to Annotate Text and Photos

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