Search Results for author: Gašper Petelin

Found 4 papers, 1 papers with code

TransOpt: Transformer-based Representation Learning for Optimization Problem Classification

no code implementations29 Nov 2023 Gjorgjina Cenikj, Gašper Petelin, Tome Eftimov

We propose a representation of optimization problem instances using a transformer-based neural network architecture trained for the task of problem classification of the 24 problem classes from the Black-box Optimization Benchmarking (BBOB) benchmark.

Benchmarking Classification +1

Dealing with zero-inflated data: achieving SOTA with a two-fold machine learning approach

no code implementations12 Oct 2023 Jože M. Rožanec, Gašper Petelin, João Costa, Blaž Bertalanič, Gregor Cerar, Marko Guček, Gregor Papa, Dunja Mladenić

This paper showcases two real-world use cases (home appliances classification and airport shuttle demand prediction) where a hierarchical model applied in the context of zero-inflated data leads to excellent results.

DynamoRep: Trajectory-Based Population Dynamics for Classification of Black-box Optimization Problems

1 code implementation8 Jun 2023 Gjorgjina Cenikj, Gašper Petelin, Carola Doerr, Peter Korošec, Tome Eftimov

The application of machine learning (ML) models to the analysis of optimization algorithms requires the representation of optimization problems using numerical features.

Benchmarking Descriptive

Less is more: Selecting the right benchmarking set of data for time series classification

no code implementations29 Sep 2021 Tome Eftimov, Gašper Petelin, Gjorgjina Cenikj, Ana Kostovska, Gordana Ispirova, Peter Korošec, Jasmin Bogatinovski

By observing discrepancy between the empirical results of the bootstrap evaluation and recently adapted practices in TSC literature when introducing novel methods we warn on the potentially harmful effects of tuning the methods on certain parts of the landscape (unless this is an explicit and desired goal of the study).

Benchmarking Time Series +2

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