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Ron Chernich Principal Research Fellow University of Queensland, Australia

Podd Workshop, CSIRO Gungahlin Campus 2010. Annotation and Security Services. Ron Chernich Principal Research Fellow University of Queensland, Australia. UQ eResearch Labs. Working with collaborative annotations and metadata related services since 2004

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Ron Chernich Principal Research Fellow University of Queensland, Australia

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  1. Podd Workshop, CSIRO Gungahlin Campus 2010 Annotation and Security Services Ron Chernich Principal Research Fellow University of Queensland, Australia

  2. UQ eResearch Labs • Working with collaborative annotations and metadata related services since 2004 • Experience with tools and techniques for annotating text and multi-media resources • Began development of a “clean slate” annotation service for DIAS-B in October 2008 • Prime user: the Atlas of Living Australia (ALA). Also used by Aus-e-Lit • Open source and generic enough for others

  3. UQ eResearch Labs • Working brief expanded in 2009 to include Security Services • Seamless integration with the Australian Access Federation (AAF) using Shibboleth • Seamless integration with existing Open ID providers, such as Google, Yahoo, Verisign, Microsoft, etc • Fallback to integrated, bespoke, user management service • All connectable to a locally managed, roll based Authorization Service.

  4. UQ eResearch Labs • All services delivered as Java Servlets capable of deployment in Open Source or proprietary web service containers • Services decoupled and configurable so either can stand-alone without the other • Ready NOW (from SourceForge) • Will continue to be refined and enhanced through to at least mid 2011

  5. Security • Tricky stuff. Nasty details abstracted away so components can be simply configured on or off. • AAF (Shibboleth based) will still require the environment to be Shibboleth enabled and made AAF aware. This is documented. • Other details elided to prevent glazed eye syndrome…

  6. W3C Annotea • Annotates (resource) • Author • Body • Context • Created/Modified (date) • Related • A W3C Semantic Web initiative (draft) unchanged since 2002 that defines a protocol for creating, updating, and retrieving annotations using an extensible RDF XML schema having 7 properties :

  7. On the Server • Store and retrieve structured annotations • Robust • Efficient • Scalable • Extensible • Provide harvesting through OAI-PMH • including sets and resumption tokens • Provides search capability • Granularity of Secured access is fully configurable

  8. At The Client • Create and display annotations • A whole web page • Selected text on a web page • A selected region of an image on a page • Map markers (in development) • Reply to annotations and other replies • Support context sensitive annotation schemas • Support specially authored pages and pages which are ignorant of the annotation service

  9. The Ross Wilkinson Challenge: • NO PLUG-INS! • They are browser and version specific • They require installation and configuration • They compromise user security and integrity • They are Verboten by many IT departments

  10. Surprise! • All objectives met • Firefox • Safari • Google Chrome • Opera • Internet Explorer 8 • Now, Introducing… The developers were the ones surprised

  11. DANNO, and DannoTATE • One Servlet to Book ‘em • One Servlet to Make ‘em and Find ‘em • One Script to Bind ‘em all • …and other stuff because nothing is ever that simple…

  12. Also Introducing… • Emmet • The Security Service • Like Danno, Emmet uses the Java Spring framework • Chico • Spring wrapper extensions that simplify configuration so services can be tailored without touching the source code

  13. The Dreaded Live Demo

  14. The Same Origin Problem

  15. Take-Away • Chico, Emmet, Danno and Dannotate are ready NOW! • They allow viewers of specially prepared web pages to shared annotation at page, text string, and image region levels with optional, configurable levels of security • The Danno Repeater extends this ability to many unprepared web pages • The components are open source (LGPL), fully documented, and will be further developed and refined over the life of the ALA/DIAS-B project and perhaps beyond.

  16. Availability • Chico, Emmet, Danno and Dannotate - open source (LGPL) • Emmet and Danno (server side) • 100% Java • Servlet (Apache Tomcat or similar) • Uses RDF triple store (Sesame or Jenna) • Dannotate (client side) • Java servlet talks to Danno and formats responses • JavaScript client provides user interface http://itee.uq.edu.au/~eresearch/danno.html

  17. Key People • University of Queensland • Prof Jane Hunter • Principal Investigator • Dr Stephen Crawley • Senior Research Fellow • Mr Ron Chernich • Principal Research Fellow

  18. Questions? • chernich@itee.uq.edu.au • scrawley@itee.uq.edu.au • jane@itee.uq.edu.au

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