September 22 - 24, 2021, Online
THE SYMPOSIUM PROGRAM WILL BE HELD ONLINE. EACH EVENT WILL BE OPENED 10 MINUTES BEFORE THE START.
INSTRUCTIONS FOR JOINING THE SYMPOSIUM:
IF YOU HAVE ANY FURTHER QUESTIONS, PLEASE DO NOT HESITATE TO CONTACT US THROUGH: sor@um.si.
9:00 - 9:45
9:50 - 10:30
Opening ceremony
chair: Lidija Zadnik Stirn
chair: Janez Žerovnik
10:30 - 10:45
Break
10:45 - 12:15
10:45 - 12:15
Mathematical Programming and Optimization (S5)
chair: Tunjo Perić
Application of Operational Research in Smart Cities (SS1)
chairs: Maja Ćukušić and Mario Jadrić
Industry & Society 5.0: Optimization in Industrial and Human Environments (SS6)
chairs: Drago Bokal and Andrej Košir
12:15 - 13:15
Break
13:15 - 13:55
14:00 - 15:15
14:00 - 15:15
chair: Zrinka Lukać
Operational Research in Ageing Studies and Social Innovations (SS10)
chairs: Marija Bogataj, David Bogataj and Samo Drobne
Operations Research in Agricultural Economics and Farm Management (SS11)
chairs: Črtomir Rozman and Karmen Pažek
Theory of Games (S7)
chair: Helena Gaspars-Wieloch
15:15 - 15:30
Break
15:30 - 16:45
15:30 - 16:45
15:30 - 16:45
Econometric Models and Statistics (S1)
chair: Ksenija Dumičić
Finance and Investments (S3)
chair: Snježana Pivac
Environment and Social Issues (S2)
chair: Lidija Zadnik Stirn
- prof. dr. Lidija Zadnik Stirn, president
Section for Operations Research (SOR), Slovenian Society Informatika
- Niko Schlamberger, president
Slovenian Society Informatika
- prof. dr. Iztok Podbregar, dean
Faculty of Organizational Sciences, University of Maribor
- prof. dr. Mihael Sekavčnik, dean
Faculty of Mechanical Engineering, University of Ljubljana
- dr. Sarah Fores, manager of EURO
Association of European Operation Research Societies
- prof. dr. Mario Jadrić, president
Croatian Operational Research Society
S5.1 - Effective Decision Making in Local Government Using the Hybrid Approach Based on Multi-Criteria Decision-Making Methods and Machine Learning
Valentina Đurek, Nikola Kadoić and Dijana Oreški
S5.2 - Six Ways how to Define Robust Pareto Optimality under Double Interval Uncertainty
Milan Hladík
S5.3 - Sufficient Matrices and Linear Complementarity Problems
Tibor Illés
S5.4 - Monopsony in Labor Market: Short-Run Profit Maximization Model from Duality Perspective
Mira Krpan
S5.5 - Optimal Taxation of a Monopoly with Cobb-Douglas Production Function for Two Inputs as a Bilevel Programming Problem
Zrinka Lukač
S5.6 - A New Methodology to Solve Decentralized Multi-Level Multi-Objective Linear Fractional Programming Problem
Tunjo Perić, Zoran Babić and Josip Matejaš
SS1.1 - Examining the Gap Between Smart City Definitions and Smart City Indexes: A Call Towards Unified Index
Aleš Groznik, Eva Jelerčič, Sarina Kaloh, Maša Klun and Anton Manfreda
SS1.2 - Investigating Singular Value Decomposition as a Tool for Data Management in Tourism
Ivan Kekez and Daniela Garbin Praničević
SS1.3 - Demonstration Potential of Simulation Modelling in the Urban Mobility Domain
Ivan Kekez, Mario Jadrić and Maja Ćukušić
SS1.4 - Developing System Dynamics Model for Waste Management in Tourism-Oriented Smart City
Antonija Kvasina, Tea Mijač and Marko Hell
SS1.5 - Selection of IoT Platforms in Smart Cities: Multi-Criteria Decision Making
Tea Mijač, Ivana Ninčević Pašalić and Luka Tomat
SS1.6 - Group Method of Data Handling for Modeling GNSS Site-Specific Quality Parameters
Polona Pavlovčič Prešeren
SS6.1 - Increasing Efficiency of Health Care Management with the Online Scheduling for Medical Services: Impact of Age and Occupation
Tamara Ćurlin, Ivan Miloloža and Helena Nikolić
SS6.2 - Smart House for Older and People with Disabilities
Aleksandar Dojčinović, Martin Prelog, Maj Lopatič and Uroš Rajkovič
SS6.3 - Influence of National Culture in Supply Chain Internal Integration
Ana Sousa, Cristina Rodrigues, Senhorinha Teixeira and Dominique Besson
SS6.4 - Guidelines for Agile Concurrent Product Development in SMEs
Tena Žužek, Janez Kušar and Tomaž Berlec
SS6.5 - On the Didactic Value of Crossing Critical Graphs
Drago Bokal, Markus Chimani and Alen Vegi Kalamar
SS6.6 - Longitudinal Dynamics between Linearly Ordered Classes
Janja Jerebic, Špela Kajzer, Monika Vogrinec and Drago Bokal
SS10.1 - The Social Value of Specialised Housing for Older Adults
David Bogataj and Valerija Rogelj
SS10.2 - Older Adults Perspectives in Optimisation of Migration Flow
Samo Drobne and Marija Bogataj
SS10.3 - Efficiency of Croatian Nursing Homes - DEA Analysis
Lana Kordić and Josipa Višić
SS10.4 - Multi-Criteria Self-Care Decision Model of Patients with Chronic Diseases
Marija Milavec Kapun, Vladislav Rajkovič, Olga Šušteršič, Rok Drnovšek and Uroš Rajkovič
SS10.5 - Forecasting the Homecare Utilization: Case for Varaždin County
Renata Možanić and David Bogataj
SS11.1 - Farm Model and Risk Management Strategies on a Mixed Farm Type
Jure Brečko and Jaka Žgajnar
SS11.2 - Multi-Criteria Evaluation of Alternative Scenarios for Closing Loops of Agricultural and Forestry Biomass
Ana Novak and Luka Juvančič
SS11.3 - Multi Criteria Assessment of Sustainable Development of Ethno-Villages in Bosnia and Herzegovina
Boris Prevolšek, Maja Žibert, Karmen Pažek, Aleksandar Maksimović, Adis Puška and Črtomir Rozman
SS11.4 - Testing MCDM Model for Evaluating the Potential of Coordinated Agri-Environmental Approaches Among Farmers on Two Case Studies from Netherland
Janja Rudolf and Andrej Udovč
SS11.5 - Strategies for Structural Changes in Agricultural Holdings as a Farm Tourism Model Development
Maja Žibert, Boris Prevolšek, Andrej Škraba and Črtomir Rozman
S7.1 - Cooperative Interval Games and Selections Revisited
Jan Bok
S7.2 - From the Interactive Programming to a New Decision Rule for Uncertain One-Criterion Problems
Helena Gaspars-Wieloch
S7.3 - The Dyadic Analysis of the Impact of Conflict-Handling Style on Negotiation Outcomes in Software Supported Negotiations
Jakub Mróz and Tomasz Wachowicz
S7.4 - Sensitivity of Fair Prices in Assignment Markets
Tamás Solymosi
S1.1 - Determinants of Economic Development: An Application of Limited Dependent Variable Models
Darja Boršič and Lea Žižek
S1.2 - Educational Inequalities Across the EU Regions: Mixed GWR Approach
Michaela Chocholatá and Andrea Furková
S1.3 - Approaches to Data Transformations and their Impact on the Skewness Statistic for Seriously Skewed Distributions: Selected Cryptocurrencies' Data Explored
Ksenija Dumičić and Ivana Cunjak Mataković
S1.4 - Strategy Europa 2020 and Economic Development from a National Point of View
Elza Jurun, Nada Ratković and Lidija Bekavac
S1.5 - Gender Wage Inequality in the Labor Market of a Post-Socialist Economy
Kosovka Ognjenović
S1.6 - Tipping Points in the Croatian Political Sentiment: When, Why, and does the Economy have Anything to do with it?
Petar Sorić and Marija Logarušić
S3.1 - An Evidence on Risk and Return of Cryptocurrencies
Zdravka Aljinović, Branka Marasović and Tea Kalinić Milićević
S3.2 - Income Inequality and Current Account Imbalances in New EU Members
Boris Cota, Nataša Erjavec and Saša Jakšić
S3.3 - Analysts’ Recommendations as the Predictions of Future Stock Returns at Prague Stock Exchange
Aleš Kresta and Garegin Minasjan
S3.4 - Derivatives Markets Development and Country Political Risk
Blanka Škrabić Perić and Ana Rimac Smiljanić
S3.5 - The Impact of Business Economics Students’ Use of Heuristics on their Predispositions for Long-Term Investment Decisions
Marija Vuković and Snježana Pivac
S2.1 - Household Costs for Personal Protective Measures for Dengue Disease
Artur M. C. Brito da Cruz, Helena Sofia Rodrigues and M. Teresa T. Monteiro
S2.2 - Incrementing Heuristic for Non-Dominated Designs of Emergency Medical System
Marek Kvet and Jaroslav Janáček
S2.3 - Functional Areas in Higher Education: A Case Study for Slovenia
Teodora Mishevska and Samo Drobne
S2.4 - Validation of the Fan Type Scale in Croatia
Mario Pepur
S2.5 - MCDM with Imprecise Information: Economic, Ecological, Social and Participatory Insights on Natural Resource Management Scenarios
Lidija Zadnik Stirn and Gregor Dolinar
9:00 - 9:40
chair: Mirjana Kljajić Borštnar
9:45 - 10:30
9:45 - 10:30
9:45 - 10:30
High-Performance Computing and
Big Data (SS5)
chair: Janez Povh
Graph Theory and Algorithms (SS4)
chair: Sandi Klavžar
International Projects in Operations Research (SS7)
chairs: Anja Žnidaršič and Janja Jerebic
10:30 - 10:45
Break
10:45 - 12:15
10:45 - 12:15
10:45 - 12:15
Computational Mathematical Optimization (SS2)
chairs: Tibor Illés and Marianna Eisenberg-Nagy
Lessons Learned from the COVID-19 Pandemic: Applications of Statistical and OR Methods (SS8)
chair: Veljko Jeremić
Location and Transport, Graphs and their Applications (S4)
chair: Samo Drobne
12:15 - 13:15
Break
13:15 - 14:45
13:15 - 14:45
13:15 - 14:45
Computational Mathematical Optimization (SS2)
chairs: Tibor Illés and Marianna Eisenberg-Nagy
Lessons Learned from the COVID-19 Pandemic: Applications of Statistical and OR Methods (SS8)
chair: Veljko Jeremić
Problems Approaching OR (S8)
chair: Vesna Čančer
14:45 - 15:00
Break
15:00 - 15:40
15:45 - 16:00
chair: Marija Bogataj
Piano concert
Tadeusz Trzaskalik
SS5.1 - Electricity Consumption Prediction Using Artificial Intelligence
Tomaž Čegovnik, Andrej Dobrovoljc, Janez Povh and Matic Rogar
SS5.2 - On Using Hypermetric Inequalities in a Cutting-Plane Algorithm for Max-Cut
Timotej Hrga and Janez Povh
SS5.3 - Bibliographic Data Clustering Based on Symmetric Non-Negative Matrix Tri-Factorization
Andrej Kastrin, Rok Hribar, Gregor Papa and Janez Povh
SS4.1 - Critical Edges in Weighted Center Problems
Peter Czimmermann and Michal Lichner
SS4.2 - 2-Rainbow Independent Domination Numbers of Some Graphs
Boštjan Gabrovšek, Aljoša Peperko and Janez Žerovnik
SS7.1 - Predictors of Email Communication Skills among Slovenian and Serbian Students
Alenka Tratnik, Anja Žnidaršič, Janja Jerebic, Uroš Rajkovič, Alenka Baggia, Dragana Gak, Tatjana Grbić, Nataša Duraković and Slavica Medić
SS7.2 - The Intention to Use Microchip Implants: Model Extensions after the Pandemics
Anja Žnidaršič, Borut Werber, Alenka Baggia, Maryna Vovk, Vanja Bevanda and Lukasz Zakonnik
SS7.3 - The Assessment of Twin Divergence in Croatia: The Impact of Trade Deficit on the Budget Deficit
Frane Banić and Irena Palić
SS2.1 - Mixed Integer Linear Programming Formulation for K-means Cluster Problem
Kolos Cs. Ágoston and Marianna E.-Nagy
SS2.2 - Comparison of an Iterative Heuristic and Joint Optimization in the Optimization of Bonus-Malus Systems
Kolos Csaba Ágoston and Márton Gyetvai
SS2.3 - Computing International Kidney Exchange Schemes
Márton Benedek, Péter Biró, Walter Kern and Daniel Paulusma
SS2.4 - Simulations for Measuring Efficiency of International Kidney Exchange Programmes
Kristóf Druzsin, Péter Biró, Rita Fleiner and Xenia Klimentova
SS2.5 - Heuristics for Combinatorial Auction-Based Channel Allocation Approaches in Multi-Connective Wireless Environments
Dávid Csercsik
SS2.6 - A Family of Long-Step Interior Point Algorithms for Linear Programming
Marianna E.-Nagy and Anita Varga
SS8.1 - The Role of Cryptocurrencies in the Portfolio Optimization During the COVID-19 Pandemic
Matúš Bilka and Zdravka Aljinović
SS8.2 - In-Class and Online Teaching of Mathematics – A Comparison of Students’ Outcomes at the Midterm Exams
Alenka Brezavšček, Janja Jerebic, Gregor Rus and Anja Žnidaršič
SS8.3 - On the COVID effect for OT-ICU systems
L.N. Bulder and N.M. van Dijk
SS8.4 - Segmenting Centennials Based on their Consumer Behaviour During COVID-19 Pandemics: The Case of Confectionery Industry
Ivana Lazarevic, Milica Maricic and Marina Ignjatovic
SS8.5 - The Response of Market Volatility to the COVID-19 Pandemic
Jelena Minović
S4.1 - Algorithms Based on Analytic Learning Neural Networks for Final Exam Scheduling
Szilvia Erdős and Bence Kővári
S4.2 - Exact Method for the Worst Optimal Value of an Interval Transportation Problem
Elif Garajová and Miroslav Rada
S4.3 - The Influence Monitoring Problem
László Hajdu and Miklós Krész
S4.4 - Bitcoin Price Direction Forecasting Using Neural Networks
Tea Šestanović
S4.5 - Analysis of the Relationships between Slovenian Functional Regions Identified in the Network
Samo Drobne, Alberto Garre and Eloy Hontoria
SS2.7 - A Numerical Comparison of Long-Step Interior Point Algorithms for Linear Optimization
Marianna E.-Nagy and Anita Varga
SS2.8 - Power and Preferences
László Á. Kóczy and Balázs R. Sziklai
SS2.9 - Algebraic Equivalent Transformation Technique in Case of Sufficient Linear Complementarity Problems
Petra Renáta Rigó, Tibor Illés and Zsolt Darvay
SS2.10 - Bounded Pooling Problem
Dávid Tollner and Tibor Illés
SS2.11 - Implementation of Primal-Dual Interior-Point Algorithm for Solving Sufficient Linear Complementarity Problems
Roland Török, Tibor Illés and Petra Renáta Rigó
SS2.12 - Making the Next Step in Finding the Best Route
Ajda Zavrtanik Drglin, Romi Koželj, Martin Pečar and Gregor Mrak
SS8.6 - Measuring Efficiency of Health Care System of OECD Member Countries During Pandemic COVID-19
Gordana Savić, Kristina Dobrilović, Bisera Andrić Gušavac, Minja Marinović and Milena Popović
SS8.7 - Assessing the Impact of COVID-19 Lockdown on Air Pollutant Emissions in Cities: The Case of Europe’s Cleanest and Most Polluted Countries
Nikola Zornić, Nataša Bojković and Tanja Živojinović
SS8.8 - Does the COVID-19 Discriminate by Gender? Croatian and Slovenian Case
Berislav Žmuk
S8.1 - Comparative Analysis of Decision Tree Methods from Two Scientific Fields
Nikola Kadoić, Dijana Oreški and Marija Lendl
S8.2 - Computational Analysis of the Musical Diversity in 22 European Countries
Lorena Mihelač and Janez Povh
S8.3 - Business Process Management and Customer Experience Management Convergence – A Literature Review
Dino Pavlic
S8.4 - A numerical investigation of a communication model
Burcu Gürbüz, Gerhard-Wilhelm Weber
9:00 - 9:55
chair and presentation of PRACE: Janez Povh
10:00 - 11:15
Data Science – Methodologies and
Case Studies (SS3)
chair: Mirjana Pejić Bach
Logistics and Sustainability (SS9)
chairs: Ângela Silva, Wellington Alves and Helena Sofia Rodrigues
Multi-Criteria Decision-Making (S6)
chair: Tadeusz Trzaskalik
11:15 - 11:30
Break
11:30 - 12:45
11:30 - 12:45
11:30 - 12:45
Data Science – Methodologies and
Case Studies (SS3)
chair: Mirjana Pejić Bach
Logistics and Sustainability (SS9)
chairs: Ângela Silva, Wellington Alves and Helena Sofia Rodrigues
Multi-Criteria Decision-Making (S6)
chair: Tomasz Wachowicz
12:55 - 13:20
SS3.1 - Open Government Data Impact Areas Identification with Data Mining Techniques
Aljaž Ferencek and Mirjana Kljajić Borštnar
SS3.2 - SMEs Readiness in Utilizing Digital Technologies and Data in Digital Transformation
Blaž Gašperlin, Andreja Pucihar and Mirjana Kljajić Borštnar
SS3.3 - Design of a Model for Implementation of Business Intelligence Methods in Decision-Making Processes
Petra Kašparová and Petr Průcha
SS3.4 - Performance Testing of Feature Selection Algorithms for Generalized Additive Models
László Kovács
SS3.5 - Empirical Analysis of the Hungarian Insurance Market
Zoltán Madari and Veronika Szádoczkiné Varga
SS9.1 - Consumer’s Willingness to Engage in the Circular Economy: The Higher Education Outlooks
Wellington Alves, Ângela Silva and Helena Sofia Rodrigues
SS9.2 - Urgent Orders Impact on Materials Management in Portuguese Construction Sector - Case Study
Ana Rita Castro, Claudia Duarte, Senhorinha Teixeira and Ângela Silva
SS9.3 - Scheduling of Waste Wood Processing Facilities with Overlapping Jobs
Balázs Dávid, Olivér Ősz and Máté Hegyháti
SS9.4 - Order Variation and Flexibility Rules Dashboard
Joana Nascimento, Nuno Frazāo, Senhorinha Teixeira and Ana Cecília Ribeiro
SS9.5 - The Role of Intermodal Transportation on Reducing CO2 Emissions
Ana Órfão, Ângela Silva and Wellington Alves
S6.1 - Multiple Criteria Utility Models for Sorting Incorporating Veto Related Preference Structures
Andrej Bregar
S6.2 - How to Create Piecewise Linear Value Functions
Vesna Čančer
S6.3 - A Multicriteria Approach for the Analysis of Biomedical Research Networks
Hannia Gonzalez-Urango, Rocío Poveda-Bautista, Pablo D’Este, Oscar Llopis and Adrian A. Díaz-Faes
S6.4 - Comparison of Best-Worst Method and Analytic Hierarchy Process
Petra Grošelj, Gregor Dolinar and Tjaša Šmidovnik
S6.5 - Multi-Criteria Decision Making Methods Comparison on a Case of Power Plant Procurement
Rok Hržica and Mirjana Kljajić Borštnar
SS3.6 - Factors of Motor Policies Casco Coverage Risk Exposures
Boris Peršak, Uroš Rajkovič and Davorin Kofjač
SS3.7 - Evaluation of Efficiency and Its Determinants in Croatian Hotel Industry
Maja Pervan and Petra Babić
SS3.8 - Determinants of Tourism Demand in Croatia
Maja Pervan and Ena Jurić
SS3.9 - Seeking Health Information over the Internet: Cluster Analysis Approach to Analyzing Differences Among European Countries
Jovana Zoroja, Mirjana Pejic Bach and Ivan Miloloža
SS3.10 - Use of Emotion in Designing BI Dashboards
Petr Průcha and Petra Kašparová
SS9.6 - A PDCA-Based Approach to Improve the Logistic Supply of an Assembly Line in the Automobile Sector: A Case Study
Vitoria Packer do Amaral, Ana Cristina Ferreira and Bruna Ramos
SS9.7 - Enhancing Environmental Sustainability and E-Commerce Deliveries through the Use of EPP Boxes in a Darkstore
Eduardo Pintado, Lia Coelho de Oliveira and Jorge Esparteiro Garcia
SS9.8 - Methodological Framework for Measuring Regional Logistics Performance
Tiago Duarte Silva Vieira, Ângela Silva, Jorge Esparteiro Garcia and Wellington Alves
SS9.9 - Volunteering in Humanitarian Logistics: A Structural Equation Modeling
Ana Rita Vasconcelos, Ângela Silva and Helena Sofia Rodrigues
S6.6 - Emergency Medical System under Conflicting Criteria
Jaroslav Janáček and Marek Kvet
S6.7 - Assessing Florists' Competencies Using Multicriteria Decision Methodology
Sabina Šegula, Vladislav Rajkovič and Uroš Rajkovič
S6.8 - Comparison of Student and Expert Idea Assessment in Online Brainstorming Session
Andrej Škraba, Anja Žnidaršič,Davorin Kofjač and Alenka Baggia
S6.9 - Vectors of Indicators in Multistage Bipolar Method
Tadeusz Trzaskalik
S6.10 - Analyzing the Concordance of Principals' Preference Representation by Agents with Different Decision-Making Profiles Using Generalized Fuzzy Approach
Tomasz Wachowicz, Ewa Roszkowska, Krzysztof Piasecki and Marzena Filipowicz-Chomko