pub enum Symmetry {
ArithmeticMean,
GeometricMean,
HarmonicMean,
Min,
Max,
}
Expand description
Enumeration of methods to ensure that queries are symmetric/ commutative
(i.e. f(q, t) = f(t, q)
).
Specific applications will require different methods.
Geometric and harmonic means bound the output to be >= 0.0.
Geometric mean may work best with non-normalized queries.
Max may work if an unknown one of the query and target is incomplete.
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impl RefUnwindSafe for Symmetry
impl Send for Symmetry
impl Sync for Symmetry
impl Unpin for Symmetry
impl UnwindSafe for Symmetry
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