Information-theoretical characterization of fuzzy relational databases
- 1 January 1983
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Systems, Man, and Cybernetics
- Vol. 13 (1) , 74-77
- https://doi.org/10.1109/tsmc.1983.6313032
Abstract
A fuzzy relational database is a medium capable of representing information that is inherently imprecise or is the aggregation of the subjective opinions of a number of individuals. Measuring the degree of precision or lack thereof is important for two reasons. First, if the measures themselves achieve extrema when conditions match what is intuitively recognized as maximum and minimum fuzziness, then confidence in the medium to faithfully represent the intervening range of precision is increased. Second, querying fuzzy information may result in ambiguous replies and measures of preciseness may fathom how well the query discriminated among the possible replies. Entropy measures based on the fuzzy and probabilistic attributes of databases are developed and applied to the two ends mentioned above.Keywords
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