Search Results for author: Tatiana Makhalova

Found 5 papers, 0 papers with code

Delta-Closure Structure for Studying Data Distribution

no code implementations13 Oct 2022 Aleksey Buzmakov, Tatiana Makhalova, Sergei O. Kuznetsov, Amedeo Napoli

In this paper, we revisit pattern mining and study the distribution underlying a binary dataset thanks to the closure structure which is based on passkeys, i. e., minimum generators in equivalence classes robust to noise.

Mint: MDL-based approach for Mining INTeresting Numerical Pattern Sets

no code implementations30 Nov 2020 Tatiana Makhalova, Sergei O. Kuznetsov, Amedeo Napoli

Pattern mining is well established in data mining research, especially for mining binary datasets.

Subgroup Discovery

Discovery data topology with the closure structure. Theoretical and practical aspects

no code implementations6 Oct 2020 Tatiana Makhalova, Aleksey Buzmakov, Sergei O. Kuznetsov, Amedeo Napoli

The closure structure allows one to understand the topology of the dataset in the whole and the inherent complexity of the data.

From-Below Boolean Matrix Factorization Algorithm Based on MDL

no code implementations28 Jan 2019 Tatiana Makhalova, Martin Trnecka

During the past few years Boolean matrix factorization (BMF) has become an important direction in data analysis.

On interestingness measures of formal concepts

no code implementations8 Nov 2016 Sergei O. Kuznetsov, Tatiana Makhalova

Formal concepts and closed itemsets proved to be of big importance for knowledge discovery, both as a tool for concise representation of association rules and a tool for clustering and constructing domain taxonomies and ontologies.

Clustering

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