Stretch 'n' shrink: resizing queries to user preferences

Authors:
Chaitanya Mishra;Nick Koudas
Affiliations:
University of Toronto, Toronto, Canada;University of Toronto, Toronto, Canada
Venue:
Proceedings of the 2008 ACM SIGMOD international conference on Management of data
Year:
2008

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Abstract

We present Stretch 'n' Shrink, a query design framework that explicitly takes into account user preferences about the desired answer size, and subsequently modifies the query with user feedback to meet this target. Our system has been prototyped inside an open source data manager, and requires minimal modifications to the database engine.