Returns the depth of given column hierarchy
Returns the depth of given column hierarchy
the hierarchy information
Int the depth of column hierarchy
Makes the list of lattice entries based on the hierarchy information
Makes the list of lattice entries based on the hierarchy information
the information of columns and their hierarchies
List[LatticeEntry] the list of lattice entries
Sorts the lattice entries by the weight (currentDepth / maxDepth)
Sorts the lattice entries by the weight (currentDepth / maxDepth)
the lattice entries to be sorted
List[LatticeEntry] the sorted lattice entries
This trait manages lattice entry information. Lattice entry indicates how the algorithm generalizes the columns of quasi-identifiers. For example, if the quasi-identifier is column 1, 2, and 3, the lattice manager manages three lattice values where each lattice value indicate