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Adaptive boosting method for mitigating ethnicity and age group unfairness
Ivona Colakovic, Sašo Karakatič, 2024, izvirni znanstveni članek

Opis: Machine learning algorithms make decisions in various fields, thus influencing people’s lives. However, despite their good quality, they can be unfair to certain demographic groups, perpetuating socially induced biases. Therefore, this paper deals with a common unfairness problem, unequal quality of service, that appears in classification when age and ethnicity groups are used. To tackle this issue, we propose an adaptive boosting algorithm that aims to mitigate the existing unfairness in data. The proposed method is based on the AdaBoost algorithm but incorporates fairness in the calculation of the instance’s weight with the goal of making the prediction as good as possible for all ages and ethnicities. The results show that the proposed method increases the fairness of age and ethnicity groups while maintaining good overall quality compared to traditional classification algorithms. The proposed method achieves the best accuracy in almost every sensitive feature group. Based on the extensive analysis of the results, we found that when it comes to ethnicity, interestingly, White people are likely to be incorrectly classified as not being heroin users, whereas other groups are likely to be incorrectly classified as heroin users.
Ključne besede: fairness, boosting, machine learning, classification
Objavljeno v DKUM: 24.05.2024; Ogledov: 25; Prenosov: 0
.pdf Celotno besedilo (1,66 MB)
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3.
Praktični vidiki uporabe podbesednih enot v strojnem prevajanju slovenščina-angleščina
Gregor Donaj, Mirjam Sepesy Maučec, 2023, izvirni znanstveni članek

Ključne besede: strojno prevajanje, velikost slovarja, podbesedne enote, grafične procesne enote
Objavljeno v DKUM: 24.05.2024; Ogledov: 24; Prenosov: 0
.pdf Celotno besedilo (3,22 MB)
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Primarne kategorije dialoških dejanj
Darinka Verdonik, 2023, izvirni znanstveni članek

Opis: Prispevek se ukvarja s problematiko označevanja dialoških dejanj v korpusih. Obstoječe generične sheme dialoških dejanj kažejo vrsto pomanjkljivosti, zato so v prispevku primarne kategorije dialoških dejanj definirane na novo ter evalvirane z označevanjem testnega gradiva, ki sta ga izvedla neodvisna označevalca. Rezultati potrdijo ustreznost definicij za empirično rabo, pokažejo pa tudi dvoumne in mejne rabe, ki jih je treba nasloviti v prihodnje.
Ključne besede: dialoška dejanja, govorna dejanja, korpusna pragmatika, označevanje korpusa
Objavljeno v DKUM: 24.05.2024; Ogledov: 9; Prenosov: 0
.pdf Celotno besedilo (437,40 KB)
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6.
Dinamika teoloških sporov v antičnem krščanstvu na zahodu in reformacija
Aleš Maver, 2017, izvirni znanstveni članek

Opis: Četudi je bil položaj po reformaciji, ko so v zahodnem krščanstvu cepitev najbolj občutili, izjemen, so notranji spori in delitve krščanska občestva spremljali domala od prvih korakov. Skoraj vsa bistvena sporna vsebinska vprašanja v zgodnjem krščanstvu so odprli na vzhodu. Rešitve zanje so iskali in jih včasih še bolj zapletli vzhodni krščanski misleci. Na zahodu so že ob prvih vidnejših znotrajkrščanskih sporih namesto globokih idejnih izstopili praktični problemi krščanskega vsakdana; običajno je na koncu prevladala pragmatična, četudi vsebinsko morda manj »čista« rešitev, sprožilni moment za stopnjevanje spora pa so bile prejkone osebne ambicije akterjev. Temu vzorcu lahko sledimo ob novacijanski shizmi pa tudi ob donatizmu v severni Afriki in pelagijanstvu, ki so v obnebju Cerkve na zahodu porojene krize. Tudi Lutrovi koraki v 16. stoletju so koreninili v čisto praktičnem razmišljanju o možnosti za dosego odpuščanja in dobili pospešek ob temeljnih kategorijah, ki so mučile že rimske in afriške kristjane dobro tisočletje prej.
Ključne besede: cepitve v zgodnjem krščanstvu, pelagijanstvo, donatizem, Avguštin, zahodno krščanstvo
Objavljeno v DKUM: 24.05.2024; Ogledov: 22; Prenosov: 0
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7.
On the integrability of persistent quadratic three-dimensional systems
Brigita Ferčec, Maja Žulj, Matej Mencinger, 2024, izvirni znanstveni članek

Opis: We consider a nine-parameter familiy of 3D quadratic systems, �˙=�+�2(�,�,�), �˙=−�+�2(�,�,�), �˙=−�+�2(�,�,�), where �2,�2,�2 are quadratic polynomials, in terms of integrability. We find necessary and sufficient conditions for the existence of two independent first integrals of corresponding semi-persistent, weakly persistent, and persistent systems. Unlike some of the earlier works, which primarily focus on planar systems, our research covers three-dimensional spaces, offering new insights into the complex dynamics that are not typically apparent in lower dimensions.
Ključne besede: ordinary differential equations, three-dimensional systems, integrability problem, persistent systems
Objavljeno v DKUM: 23.05.2024; Ogledov: 51; Prenosov: 3
.pdf Celotno besedilo (334,34 KB)
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8.
8th FEB International Scientific Conference : Challenges in the Turbulent Economic Environment and Organizations’ Sustainable Development
2024, zbornik recenziranih znanstvenih prispevkov na mednarodni ali tuji konferenci

Opis: The proceedings of the 8th scientific conference, organized by the Faculty of Economics and Business, University of Maribor, titled "Challenges in the turbulent economic environment and organizations’ sustainable development," present research and findings on the challenges that companies as well as other organizations face in unpredictable economic environments and efforts towards sustainable development. Various distinguished European authors address the impacts of global economic fluctuations on business operations and emphasize the importance of adaptability and innovation in tackling these challenges. Additionally, they underscore the significance of sustainable development as a crucial factor for the long-term success of companies and present strategies for its effective implementation. Through analyses and case studies, authors reveal key factors influencing the success of organizations in turbulent economic environments and offer guidelines for designing responsive and sustainability-focused business models.
Ključne besede: sustainability, economic environment, sustainable development, business challenges, competitiveness, turbolent environment
Objavljeno v DKUM: 23.05.2024; Ogledov: 33; Prenosov: 0
.pdf Celotno besedilo (12,55 MB)
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9.
University of Maribor Faculty of Economics and Business Research Achievements and Impact
2024

Opis: This research report comprehensively overviews the research activities of the Faculty of Economics and Business (FEB) between 2021 and 2023. It shows the significant academic and practical contributions made by the FEB in various research fields, highlighting its commitment to addressing contemporary challenges and achieving excellence. The repo rt outlines the various achievements of the FEB, such as research projects, applied projects for businesses, publications, citations, scientific journal publications, conferences organized, and doctoral dissertations. It also emphasizes the significant involvement of students in research, showcasing the FEB's dedication to practical experience and its adherence to research ethics and alignment with Sustainable Development Goals (SDGs). The report presents a balanced view of the Faculty's research landscape, highlighting successes and ongoing development areas. It is a detailed document that effectively communicates the vibrant research culture at the Faculty of Economics and Business, University of Maribor, and its significant contributions to academic and practical fields.
Ključne besede: research projects, research institutes, sustainable development, practical lmplications, Faculty of Economics and Business at University of Maribor, research
Objavljeno v DKUM: 23.05.2024; Ogledov: 31; Prenosov: 0
.pdf Celotno besedilo (36,05 MB)
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10.
Graph Neural Network-Based Method of Spatiotemporal Land Cover Mapping Using Satellite Imagery
Domen Kavran, Domen Mongus, Borut Žalik, Niko Lukač, 2023, izvirni znanstveni članek

Ključne besede: multispectral, Sentinel-2, superpixel, node, EfficientNetV2, GraphSAGE
Objavljeno v DKUM: 23.05.2024; Ogledov: 30; Prenosov: 0
.pdf Celotno besedilo (34,47 MB)
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