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Numerical methods for directional coupling detection from time series of complex systems

Author(s): Martin Brešar (Author), Pavle Boškoski (Supervisor)

Year: 2024

Type: Doctoral dissertation

Complex systems, composed of numerous interacting subsystems, exhibit intricate dynamics that are challenging to model and understand. This dissertation focuses on advancing methodologies for detecting the direction and quantifying the strength of couplings in such systems and presents their application to real data. The basics of dynamical systems and chaos …

Neural approaches to automatic terminology extraction

Author(s): Hanh Thi Hong Tran (Author), Senja Pollak (Supervisor), Antoine Doucet (Co-Supervisor)

Year: 2024

Type: Doctoral dissertation

Automatic terminology extraction, also known as automatic term extraction (ATE), is a natural language processing (NLP) task that identifies specialized terminology from domain-specific corpora. ATE is often used for terminographic tasks (e.g., the creation of specialized dictionaries) and contributes to several complex downstream tasks (e.g., machine translation and information retrieval). …

Tracing origin of food using stable isotopes of light and heavier elements

Author(s): Staša Hamzić Gregorčič (Author), Nives Ogrinc (Supervisor), Tea Zuliani (Co-Supervisor)

Year: 2024

Type: Doctoral dissertation

This dissertation examines two main topics. The first topic is focused on the potential of strontium (Sr) isotope analysis to characterise milk and truffles as selected food commodities, traditionally important for Slovenia. The 87Sr/86Sr ratio for determining the provenance of bovine milk and truffles originating from different regions of Slovenia …

Machine learning methodology for automatic metadata assignment in cultural heritage archives

Author(s): Luis Rei (Author), Dunja Mladenić (Supervisor)

Year: 2024

Type: Doctoral dissertation

This thesis introduces a novel machine learning methodology for automatically assigning metadata to digitized artifacts in cultural heritage. Cultural heritage is an example of a domain that requires expert labeling, with few pre-existing labeled datasets and where simply getting more labeled data is challenging. The societal importance of cultural heritage …

Pre-processing of heterogeneous data streams for internet of things applications

Author(s): Klemen Kenda (Author), Dunja Mladenić (Supervisor)

Year: 2024

Type: Doctoral dissertation

The rapid evolution of sensor technologies, particularly within the Internet of Things (IoT) domain, has led to an era dominated by massive real-time data flows. This transition resulted in the need for novel data processing methodologies that facilitate the shift from traditional offline batch analytics to agile real-time predictions and …

Spatial and energy distributions of sputtered atoms in thin film deposition techniques

Author(s): Nastja Mahne (Author), Miha Čekada (Supervisor), Matjaž Panjan (Co-Supervisor)

Year: 2024

Type: Doctoral dissertation

The sputtering yield, the spatial distribution of the sputtered atoms, the energy distribution and the average energy of the sputtered atoms are important for numerous deposition techniques, as they determine the microstructure and the physical properties of the thin films. Using SRIM (Stopping and Range of Ions in Matter) simulations, …

Intra- and inter-trophic interactions of generalist forest predator

Author(s): Urška Ratajc (Author), Al Vrezec (Supervisor)

Year: 2024

Type: Doctoral dissertation

We are witnessing major shifts in ecosystems due to intense anthropogenic pressures on the environment in recent decades, including rapid climate change, which is one of the strongest drivers of a global biological response. Raptors, which are at the top of the trophic web, are important indicators of ecosystem health. …

Information spreading barriers in news

Author(s): Abdul Sittar (Author), Dunja Mladenić (Supervisor)

Year: 2024

Type: Doctoral dissertation

News spreads in many patterns, structures, and dynamics that change throughout time. For a variety of reasons, certain news is only covered in a particular area. Language, economy, geography, politics, time zone, and culture are just a few of the many barriers that prevent news from reaching a larger audience. …

Cathepsin cleavage of epidermal growth factor receptor (EGFR) affects signaling pathways of cancer cells

Author(s): Marija Grozdanić (Author), Marko Fonović (Supervisor)

Year: 2023

Type: Doctoral dissertation

Epidermal growth factor receptor (EGFR) belongs to the ErbB family of receptor tyrosine kinases and plays an essential role in cell differentiation, migration, proliferation, and metabolism. Alterations in EGFR signalling were found in a number of cancers like lung, breast, colorectal cancer and gliomas, shown to be more aggressive and …

Influence of temperature on the hydration of belite-calcium sulfoaluminate cements

Author(s): Maruša Mrak (Author), Sabina Dolenec (Supervisor), Nina Daneu (Co-Supervisor)

Year: 2023

Type: Doctoral dissertation

In this doctoral thesis influence of different temperatures (5 °C - 60 °C) on the hydration of belite-ye’elimite-ferrite cement was studied. Fluctuations in temperature can cause changes in the phase assemblage, kinetics of hydration and mechanical properties. Besides temperature, other factors such as the cement clinker phase composition, calcium sulfate …