Weighted Boolean conditions for ranking

Authors:
Matthias Beck;Burkhard Freitag
Affiliations:
Dept. of Information Management, University of Passau, 94030, Germany;Dept. of Information Management, University of Passau, 94030, Germany
Venue:
ICDEW '08 Proceedings of the 2008 IEEE 24th International Conference on Data Engineering Workshop
Year:
2008

Citing 0
Cited 1

Designing a Metamodel-Based Recommender System

EC-Web 2009 Proceedings of the 10th International Conference on E-Commerce and Web Technologies

Quantified Score

Hi-index	0.00

Visualization

Abstract

Current database systems are tailored to efficiently evaluate Boolean expressions which are typically used as selection conditions to restrict the result set. We propose to add weight annotations to selection conditions to obtain a ranking on the set of answer tuples. In this paper, we introduce an extended relational algebra able to handle ranked selection conditions.