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cs.AI2023
Maximal Ordinal Two-Factorizations
Dominik Dürrschnabel, Gerd Stumme
Given a formal context, an ordinal factor is a subset of its incidence relation that forms a chain in the concept lattice, i.e., a part of the dataset that corresponds to a linear…
cs.LG2023★ 2 cited
Greedy Discovery of Ordinal Factors
Dominik Dürrschnabel, Gerd Stumme
In large datasets, it is hard to discover and analyze structure. It is thus common to introduce tags or keywords for the items. In applications, such datasets are then filtered bas…