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Elaboration on functional dependencies: functional dependencies are dead, long live functional dependencies! [PDF]
ACM SIGPLAN Notices, 2017 Functional dependencies are a popular extension to Haskell's type-class system because they provide fine-grained control over type inference, resolve ambiguities and even enable type-level computations. Unfortunately, several aspects of Haskell's functional dependencies are ill-understood.
Tom Schrijvers, Schrijverstom
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Preserving Functional Dependencies
SIAM Journal on Computing, 1981We show that functional dependency preservation can be tested in polynomial time. We show further that while finding a cover for all embedded dependencies is NP-complete, such a cover can be found in polynomial time if dependencies are preserved.
Catriel Beeri, Peter Honeyman
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Rationally Functional Dependence
Journal of Philosophical Logic, 2013The authors discuss functional dependencies, and compare ontological and rational dependencies. What I call ontological dependencies are the dependencies that are based on the state of nature. Rational dependencies, on the other hand, are game theoretical, and require a free will and a strategy-based approach.
Pavel Naumov, Brittany Nicholls
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An extension of classical functional dependency: dynamic fuzzy functional dependency
Information Sciences, 1999zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sadok Ben Yahia +2 more
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Metric Functional Dependencies
2009 IEEE 25th International Conference on Data Engineering, 2009When merging data from various sources, it is often the case that small variations in data format and interpretation cause traditional functional dependencies (FDs) to be violated, without there being an intrinsic violation of semantics. Examples include differing address formats, or different reported latitude/longitudes for a given address.
Nick Koudas +3 more
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Functional dependencies among Boolean dependencies
Annals of Mathematics and Artificial Intelligence, 1993zbMATH Open Web Interface contents unavailable due to conflicting licenses.
János Demetrovics +2 more
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Dependence Functions and Frailties
Biometrical Journal, 1996AbstractThis note considers association between nonnegative random variables in which the two observed survival times depend on an unobservable random variable via the proportional hazard model. When the random variables are subject to censoring, the conditional hazard functions provides a reasonable means of describing the association between the two ...
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