Search Results for author: Vadim Arzamasov

Found 6 papers, 3 papers with code

Efficient Generation of Hidden Outliers for Improved Outlier Detection

1 code implementation6 Feb 2024 Jose Cribeiro-Ramallo, Vadim Arzamasov, Klemens Böhm

The only existing method accounting for this property falls short in efficiency and effectiveness.

Outlier Detection

Adaptive Bernstein Change Detector for High-Dimensional Data Streams

1 code implementation22 Jun 2023 Marco Heyden, Edouard Fouché, Vadim Arzamasov, Tanja Fenn, Florian Kalinke, Klemens Böhm

In high-dimensional data, change detectors should not only be able to identify when changes happen, but also in which subspace they occur.

Change Detection

Budgeted Multi-Armed Bandits with Asymmetric Confidence Intervals

no code implementations12 Jun 2023 Marco Heyden, Vadim Arzamasov, Edouard Fouché, Klemens Böhm

We study the stochastic Budgeted Multi-Armed Bandit (MAB) problem, where a player chooses from $K$ arms with unknown expected rewards and costs.

Multi-Armed Bandits

Pedagogical Rule Extraction to Learn Interpretable Models - an Empirical Study

no code implementations25 Dec 2021 Vadim Arzamasov, Benjamin Jochum, Klemens Böhm

Decision trees, classification rules, and subgroup discovery are three broad categories of supervised machine-learning models presenting knowledge in the form of interpretable rules.

BIG-bench Machine Learning Subgroup Discovery

REDS: Rule Extraction for Discovering Scenarios

1 code implementation3 Oct 2019 Vadim Arzamasov, Klemens Böhm

Given a computational budget, results tend to get worse as the number of inputs of the simulation model and the cost of simulations increase.

Subgroup Discovery

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