1. © 2008 by Andrew Webb, Interface Ecology Lab. meta-metadata: an extensible semantic architecture for multimedia metadata definition, extraction, and presentation andruid kerne, sashikanth damaraju, bharat kumar, and andrew webb interface ecology lab department of computer science & engineering texas a&m university

2. © 2008 by Andrew Webb, Interface Ecology Lab. information sources large number of elements human experience: difficult to explore

3. © 2008 by Andrew Webb, Interface Ecology Lab. metadata semantics metadata about elements within a collection used to search, browse, collect and explore find related information

4. © 2008 by Andrew Webb, Interface Ecology Lab. unified framework problem: heterogeneous sources solution: language for authoring extensible metadata structure

5. © 2008 by Andrew Webb, Interface Ecology Lab. meta-metadata language defines metadata life cycle representation extraction presentation authored in XML programming not required

6. © 2008 by Andrew Webb, Interface Ecology Lab. architecture

7. © 2008 by Andrew Webb, Interface Ecology Lab. strongly typed metadata fields nested structure meta-metadata > metadata translation metadata representation

8. © 2008 by Andrew Webb, Interface Ecology Lab. metadata extraction unique by field per a source XPath expressions

9. © 2008 by Andrew Webb, Interface Ecology Lab. metadata visualization properties describing display and interaction field order navigatesTo hide alwaysShow

10. © 2008 by Andrew Webb, Interface Ecology Lab. combinFormation mixed-initiative creativity support tool surrogates & information composition

11. © 2008 by Andrew Webb, Interface Ecology Lab. in-context metadata contextual display and editing support for meta-metadata and nested structure

12. © 2008 by Andrew Webb, Interface Ecology Lab. demo

13. © 2008 by Andrew Webb, Interface Ecology Lab. conclusion diverse metadata from heterogeneous sources meta-metadata defines life cycle of metadata author XML, no programming in-context visualization developed as reusable components

14. © 2008 by Andrew Webb, Interface Ecology Lab. questions and thoughts http://ecologylab.net/beta/cf