BuildProvenanceAlgebraSetWalkIntoMixin(...)
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DisjointProjection(relation, attributes)
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IndependentDisjointProjectionsAndUnionMixin(...)
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IndependentProjection(relation, attributes)
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IndependentProjectionUniversal(relation, ...)
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LiftedPlanProjection(relation, attributes)
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NaturalJoinInverse(relation_left, relation_right)
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ProvenanceAlgebraSet(relation, provenance_column)
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ProvenanceColumnManipulationMixin(*args, ...)
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ProvenanceExtendedProjectionMixin(*args, ...)
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Mixin that implements specific cases of extended projections on provenance sets for which the semantics are not modified. |
ProvenanceSelectionMixin(*args, **kwargs)
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ProvenanceSetOperationsMixin(*args, **kwargs)
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RelationalAlgebraProvenanceCountingSolver([...])
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RelationalAlgebraProvenanceCountingSolverMixin(...)
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Mixing that walks through relational algebra expressions and executes the operations and provenance calculations. |
RelationalAlgebraProvenanceExpressionSemringSolver([...])
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RelationalAlgebraProvenanceExpressionSemringSolverMixin(...)
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Subtraction(relation_left, relation_right)
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Probabilistic subtraction of two provenance sets. |
Support(relation)
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Tuples of a provenance set, all with provenance 1. |
WeightedNaturalJoin(relations, weights)
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WeightedNaturalJoinSolverMixin(*args, **kwargs)
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