Metadata creation and management*

What is metadata, anyways?

Outline

Types of metadata

Metadata attributes

Data types: MIME

Complex objects and granularity

MPEG 7

Audio/visual metadata

HTML Meta tags

MARC / AACR 2 / TEIH

Difficulties in Naming Authorities

Dublin Core Elements

Dublin Core Elements (Con’t)

DC Elements (Con’t)

Warwick Example

STARTS: A Metasearching Protocol

Distributed Search? Why?
“Surface” Web vs. “Hidden” Web

Hidden Web: Examples

Query Probing

Focused Probing: Sampling

Adjusting Document Frequencies

Focused Probing

Automatic Extraction of Metadata

Crosswalking

Reference

Summing Up