Information integration in SIMS: 2

How to wrap sources?

• Manually, for pdf, plain text, footnotes

• Automatically, using parsing rules based on landmarks in html pages (Ariadne project)

• Automated work will be incorporated and extended...

SIMS query processing:

• Give user equal access to data, metadata, and footnotes

• Support for source combination and query optimization:

  • Join, Union, Selection, interpreted predicates

• Challenges:

  • approximation: handle similar domain model concepts
  • aggregation: reformulate data of various granularities

Previous slide

Next slide

Back to first slide

View graphic version