Search Results for author: Dunja Mladenić

Found 22 papers, 2 papers with code

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.

Synthetic Data Augmentation Using GAN For Improved Automated Visual Inspection

no code implementations19 Dec 2022 Jože M. Rožanec, Patrik Zajec, Spyros Theodoropoulos, Erik Koehorst, Blaž Fortuna, Dunja Mladenić

In this research, we compare supervised and unsupervised defect detection techniques and explore data augmentation techniques to mitigate the data imbalance in the context of automated visual inspection.

Data Augmentation Defect Detection

Robust Anomaly Map Assisted Multiple Defect Detection with Supervised Classification Techniques

no code implementations19 Dec 2022 Jože M. Rožanec, Patrik Zajec, Spyros Theodoropoulos, Erik Koehorst, Blaž Fortuna, Dunja Mladenić

Industry 4. 0 aims to optimize the manufacturing environment by leveraging new technological advances, such as new sensing capabilities and artificial intelligence.

Classification Defect Detection

Forecasting Sensor Values in Waste-To-Fuel Plants: a Case Study

no code implementations28 Sep 2022 Bor Brecelj, Beno Šircelj, Jože M. Rožanec, Blaž Fortuna, Dunja Mladenić

In this research, we develop machine learning models to predict future sensor readings of a waste-to-fuel plant, which would enable proactive control of the plant's operations.

Active Learning and Novel Model Calibration Measurements for Automated Visual Inspection in Manufacturing

no code implementations12 Sep 2022 Jože M. Rožanec, Luka Bizjak, Elena Trajkova, Patrik Zajec, Jelle Keizer, Blaž Fortuna, Dunja Mladenić

Our results show that the explored active learning settings can reduce the data labeling effort by between three and four percent without detriment to the overall quality goals, considering a threshold of p=0. 95.

Active Learning

Active Learning for Automated Visual Inspection of Manufactured Products

no code implementations6 Sep 2021 Elena Trajkova, Jože M. Rožanec, Paulien Dam, Blaž Fortuna, Dunja Mladenić

Quality control is a key activity performed by manufacturing enterprises to ensure products meet quality standards and avoid potential damage to the brand's reputation.

Active Learning

Knowledge Modelling and Active Learning in Manufacturing

no code implementations5 Jul 2021 Jože M. Rožanec, Inna Novalija, d Patrik Zajec, Klemen Kenda, Dunja Mladenić

The increasing digitalization of the manufacturing domain requires adequate knowledge modeling to capture relevant information.

Active Learning Friction +1

A Review of Explainable Artificial Intelligence in Manufacturing

no code implementations5 Jul 2021 Georgios Sofianidis, Jože M. Rožanec, Dunja Mladenić, Dimosthenis Kyriazis

The implementation of Artificial Intelligence (AI) systems in the manufacturing domain enables higher production efficiency, outstanding performance, and safer operations, leveraging powerful tools such as deep learning and reinforcement learning techniques.

Decision Making Explainable artificial intelligence +3

XAI-KG: knowledge graph to support XAI and decision-making in manufacturing

no code implementations5 May 2021 Jože M. Rožanec, Patrik Zajec, Klemen Kenda, Inna Novalija, Blaž Fortuna, Dunja Mladenić

We propose an ontology and knowledge graph to support collecting feedback regarding forecasts, forecast explanations, recommended decision-making options, and user actions.

Decision Making Explainable artificial intelligence +1

STARdom: an architecture for trusted and secure human-centered manufacturing systems

no code implementations2 Apr 2021 Jože M. Rožanec, Patrik Zajec, Klemen Kenda, Inna Novalija, Blaž Fortuna, Dunja Mladenić, Entso Veliou, Dimitrios Papamartzivanos, Thanassis Giannetsos, Sofia Anna Menesidou, Rubén Alonso, Nino Cauli, Diego Reforgiato Recupero, Dimosthenis Kyriazis, Georgios Sofianidis, Spyros Theodoropoulos, John Soldatos

There is a lack of a single architecture specification that addresses the needs of trusted and secure Artificial Intelligence systems with humans in the loop, such as human-centered manufacturing systems at the core of the evolution towards Industry 5. 0.

Active Learning Decision Making +1

Semantic XAI for contextualized demand forecasting explanations

no code implementations1 Apr 2021 Jože M. Rožanec, Dunja Mladenić

We tailor the architecture for the domain of demand forecasting and validate it on a real-world case study.

Explainable Artificial Intelligence (XAI)

Actionable Cognitive Twins for Decision Making in Manufacturing

no code implementations23 Mar 2021 Jože M. Rožanec, Jinzhi Lu, Jan Rupnik, Maja Škrjanc, Dunja Mladenić, Blaž Fortuna, Xiaochen Zheng, Dimitris Kiritsis

In this paper, we propose a knowledge graph modeling approach to construct actionable cognitive twins for capturing specific knowledge related to demand forecasting and production planning in a manufacturing plant.

Decision Making

Reframing demand forecasting: a two-fold approach for lumpy and intermittent demand

no code implementations23 Mar 2021 Jože M. Rožanec, Dunja Mladenić

Our research shows that global classification models are the best choice when predicting demand event occurrence.

BIG-bench Machine Learning Management +2

Constructing a Natural Language Inference Dataset using Generative Neural Networks

1 code implementation20 Jul 2016 Janez Starc, Dunja Mladenić

To evaluate the models, we propose a new metric -- the accuracy of the classifier trained on the generated dataset.

Natural Language Inference Natural Language Understanding

Joint learning of ontology and semantic parser from text

no code implementations5 Jan 2016 Janez Starc, Dunja Mladenić

Both, the grammar and the semantic trees are used to learn the ontology on several levels -- classes, instances, taxonomic and non-taxonomic relations.

Semantic Parsing

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