Integrating Data from Multiple XML Schemas with GRDDL and RDF

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Overview

Challenge: How to find the license in all these XML documents?

Strategy A: An XML Schema for Creative Commons License Terms

Problem A1: Host Language Schema too constrained

Problem A2: Host Language already has license syntax

Problem A3: How to refer to things in the host domain?

Problem A4: When is a license term not a license term?

Strategy B: Use RDF

Sidebar: RDF in a Nutshell

Strategy B: Use RDF (cont)

Strategy C: GRDDL

GRDDL example 1

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GRDDL Issues