disc

Michael Böhlen

Linas Bukauskas

Curtis Dyreson

Department of Computer Science

Aalborg University

Fredrik Bajers Vej 7E

9220 Aalborg

Denmark

Goals with Jungle

Advertise databases on the internet

Build a database search engine (DBSE)

Goals with AQUA:

How to query structured data without knowing its structure?

AQUA integrates structure- and content-based query languages

Credits:

Evaldas Urbonas and Rima Bernataviciute, Aalborg University

Klaus Dittrich and Ruxandra Domenig, University of Zurich

Max Andersen and Rune Alblas, Aalborg University

AQUA - Database Level Search

What databases are searchable?

DB: ""

What library databases are known?

DB: "library"

AQUA - Table Level Search

Find all tables with information about books

TAB: "book"

AQUA - Column Level Search

Find columns about authors

COL: "author"

AQUA – Value Level

Find information about Java

VAL: "JAVA"

AQUA – Horizontal Queries

Find authors of publications that are available through libraries.

DB: "library"
TAB: "publication"
COL: "author"

AQUA – Horizontal Queries

Does Wirth read Java books?

VAL: "Java" AND VAL: "Wirth"

Does Stonebraker use our VLDB proceedings?

DB: "library" VAL: "VLDB"
AND
VAL: "Stonebraker"

AQUA – Database Announcement

Conclusion

AQUA allows to query structured information sources without knowing the structure.
AQUA integrates structure- and content-based query languages.