State of the Art (impl. algorithms)
Approximate answers (data warehousing)
- Too much data to find exact answer quickly
- No need for an exact answer
Top-K queries (K “best” matches)
- Multimedia (fuzzy criteria); decision support
- Approximate or exact
Extensibility:
- User-defined data types
- User-defined functionality
Improve time-to-first-result-tuple
- Ripple Join (impl. project, part 2)