Applications of ordinal ranks to flexible query answering

Authors:
Lucie Urbanova;Vilem Vychodil;Lena Wiese
Affiliations:
DAMOL (Data Analysis and Modeling Laboratory) Dept. Computer Science, Palacky University, Olomouc, Czech Republic;DAMOL (Data Analysis and Modeling Laboratory) Dept. Computer Science, Palacky University, Olomouc, Czech Republic;Institute of Computer Science, University of Hildesheim, Hildesheim, Germany
Venue:
SUM'12 Proceedings of the 6th international conference on Scalable Uncertainty Management
Year:
2012

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Abstract

Exact querying and retrieving relevant data from a database is a difficult task. We present an approach for flexibly answering algebraic queries using an extension of Codd's relational model with ordinal ranks based on residuated lattices and similarities on attribute domains.