Search Results for author: Matej Mihelčić

Found 4 papers, 0 papers with code

Finding Rule-Interpretable Non-Negative Data Representation

no code implementations3 Jun 2022 Matej Mihelčić, Pauli Miettinen

Scientists performing research in the fields of biology, medicine and pharmacy often prefer NMF over other dimensionality reduction approaches (such as PCA) because the non-negativity of the approach naturally fits the characteristics of the domain problem and its result is easier to analyze and understand.

Dimensionality Reduction

Approaches For Multi-View Redescription Mining

no code implementations22 Jun 2020 Matej Mihelčić, Tomislav Šmuc

We present a memory efficient, extensible multi-view redescription mining framework that can be used to relate multiple, i. e. more than two views, disjoint sets of attributes describing one set of entities.

Attribute BIG-bench Machine Learning +3

Using Redescription Mining to Relate Clinical and Biological Characteristics of Cognitively Impaired and Alzheimer's Disease Patients

no code implementations20 Feb 2017 Matej Mihelčić, Goran Šimić, Mirjana Babić Leko, Nada Lavrač, Sašo Džeroski, Tomislav Šmuc

However, in some instances, as with the attributes: testosterone, the imaging attribute Spatial Pattern of Abnormalities for Recognition of Early AD, as well as the levels of leptin and angiopoietin-2 in plasma, we corroborated previously debatable findings or provided additional information about these variables and their association with AD pathogenesis.

Attribute

A framework for redescription set construction

no code implementations13 Jun 2016 Matej Mihelčić, Sašo Džeroski, Nada Lavrač, Tomislav Šmuc

In contrast to previous approaches that typically create one smaller set of redescriptions satisfying a pre-defined set of constraints, we introduce a framework that creates large and heterogeneous redescription set from which user/expert can extract compact sets of differing properties, according to its own preferences.

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