Blar i NHH Brage på forfatter "Belik, Ivan"
-
A New Semi-Lagrangean Relaxation for the K-Cardinality Assignment Problem
Belik, Ivan; Jörnsten, Kurt (Discussion paper;01/14, Working paper, 2014-01)Recently Beltrán-Royo, Vial & Alonso-Ayuso (2012) presented a semi-Lagrangean relaxation for the classical p-median location problem and for the incapacitated facility location problem. The results, obtained using the ... -
Centrality Computation in Weighted Networks Based on Edge-Splitting Procedure
Belik, Ivan; Jörnsten, Kurt (Discussion paper;40/14, Working paper, 2014-12)The analysis of network’s centralities has a high-level significance for many real-world applications. The variety of game and graph theoretical approaches has a paramount purpose to formalize a relative importance of ... -
Chatbots for customer service: A quantitative research
Fosseide, Per Olav Bomann; Vattøy, Lars (Master thesis, 2021)In this thesis we have investigated the advantages and disadvantages of chatbots for customer service. Chatbots gained popularity because of their potential to partly automate customer service centres. Their success ... -
Development of intangible assets : Challenging the current accounting practices : A Quantatative Research
Pettersen, Magnus Vie; Thomassen, Harald Müller (Master thesis, 2021)In this thesis, we investigate how the usage and development of intangible assets depreciate the relevance of accounting. Previous research suggests that the accounts historically have been a precise tool for predicting ... -
The evolution of business analytics : based on case study research
Sharafuddin, Sepanta (Master thesis, 2020)While business analytics is becoming more significant and widely used by companies from increasing industries, for many the concept remains a complex illusion. The field of business analytics is considerably generic and ... -
Intelligent automation in FinTech : an exploratory study of how Norwegian providers of financial technology utilize intelligent automation in light of PSD2
Abusdal, Stian; Gjermundnes, Ricardo (Master thesis, 2019)By performing a literature review and conducting semi-structured interviews with six business leaders on robotic process automation and artificial intelligence in the Norwegian financial services industry, this thesis ... -
Is Augmented Reality the future of business? A qualitative study on factors affecting the potential for mass adoption of augmented reality in business processes.
Pettersen, Magne W.; Åsheim, Haldor B. (Master thesis, 2022)Augmented Reality (AR) is one of the emerging technologies of the Fourth Industrial Revolution that might bring radical shifts to the way we live and interact with the world around us. This thesis examines the benefits ... -
Keep your friends close and at a distance : studying the structural network properties of a regional cluster and it’s broader ecosystem through social network analysis
Conradsen, Kari Sofie Mysen; Hartvig-Larsen, Max (Master thesis, 2020)Regional clusters and ecosystems are increasingly becoming an important part of many organizations’ and countries’ strategies for innovation and economic growth. In the context of the Norwegian ... -
Predicting the impact of academic articles on marketing research: Using machine learning to predict highly cited marketing articles
Hansen, Ingrid Skogeng; Torvund, Magnus (Master thesis, 2022)The citation count of an academic article is of great importance to researchers and readers. Due to the large increase in the publication of academic articles every year, it may be difficult to recognize the articles ... -
Prеdictivе Analysis fоr Custоmеr Churn in thе Crеdit Card Industry: Hоw dо variоus custоmеr dеmоgraphic, transactiоnal, and bеhaviоral fеaturеs influеncе churn ratеs in thе crеdit card industry? - A study оf applying machinе lеarning tеchniquеs tо thе multifacеtеd aspеcts оf custоmеr churn.
Garnеs, Оskar Syltе; Stavеli, Оscar Hеxеbеrg (Master thesis, 2023)This thеsis prоvidеs a prеdictivе analysis оf hоw variоus fеaturеs influеncе churn ratеs, basеd оn thе datasеt frоm a crеdit card cоmpany. Оur rеsеarch еmplоys binary lоgistic rеgrеssiоn and bооstеd randоm fоrеst mоdеls, ... -
Shapley-Based Stackelberg Leadership Formation in Networks
Belik, Ivan; Jörnsten, Kurt (Discussion paper;16/15, Working paper, 2015-04-10)In the given research we study a leadership formation of the most influential nodes in networks. Specifically, we analyze the competition between a leader and a follower based on the Stackelberg leadership model. Applying ... -
Something old, something new : a hybrid approach with ARIMA and LSTM to increase portfolio stability
Senneset, Kristian; Gultvedt, Mats (Master thesis, 2020)In this thesis we seek to examine how modern forecasting approaches can improve estimations of stock pair correlations, and derived from this, contribute to making portfolios more stable. Volatility of financial markets ... -
Stability in turbulent times? The effect of digitalization on the sustainability of competitive advantage
Knudsen, Eirik Sjåholm; Lien, Lasse B.; Timmermans, Bram; Belik, Ivan; Pandey, Sujit (Peer reviewed; Journal article, 2021)Does digitalization make competitive advantage more or less sustainable? One line of argument is that digitalization leads to hyper-competition and shorter spells of competitive advantage. An opposing claim is that ... -
The Analysis of Leadership Formation in Networks Based on Shapley Value
Belik, Ivan; Jörnsten, Kurt (Discussion paper;02/15, Working paper, 2015-01-09)In the given research we analyse how an agent can move towards leadership in a socio-economic network. For the node’s (i.e., agent’s) importance measure we use the Shapley value (SV) concept from the area of cooperative ... -
The analysis of split graphs in social networks based on the K-Cardinality assignment problem
Belik, Ivan (Discussion paper;08/14, Working paper, 2014-02)In terms of social networks, split graphs correspond to the variety of interpersonal and intergroup relations. In this paper we analyse the interaction between the cliques (socially strong and trusty groups) and the ... -
The coauthorship network analysis of the BI Norwegian business school
Belik, Ivan; Jörnsten, Kurt (Discussion papers;31/14, Working paper, 2014-07)We construct the coauthorship network based on the scientific collaboration between the faculty members at the Norwegian Business School (BI) and based on their international academic publication experience. The network ... -
The coauthorship network analysis of the Norwegian school of economics
Belik, Ivan; Jörnsten, Kurt (Discussion papers;20/14, Working paper, 2014-05)We construct the coauthorship network based on the scientific collaboration between the faculty members at the Norwegian School of Economics (NHH) and based on their international academic publication experience. The ... -
The comparative analysis of the NHH and BI networks
Belik, Ivan; Jörnsten, Kurt (Discussion paper;34/14, Working paper, 2014-09)Based on the co-authorship networks of the Norwegian School of Economics (NHH) and the BI Norwegian Business School we present a comparative analysis in terms of structures, collaborations and publications. The networks’ ... -
The Hybrid Model of Agent’s Power in Social Networks
Belik, Ivan (Journal article; Peer reviewed, 2012-10)The basic idea of the research is to investigate and formalize functional dependency between structural and social measures in social networks. Since interpersonal relations are composed of multiple factors with different ... -
The Method of Leader’s Overthrow in Networks
Belik, Ivan; Jörnsten, Kurt (Discussion paper;1/16, Working paper, 2016-01-21)Methods for leader’s detection and overthrow in networks are useful tools for decision-making in many real-life cases, such as criminal networks with hidden patterns or money laundering networks. In the given research, we ...