• 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • The Multifactor Model of the Agent’s Power in Social Networks 

      Belik, Ivan; Hexmoor, Henry (Discussion paper;11/2013, Working paper, 2013-10)
      The analysis of social reasoning is at the core of understanding how to manage social networks. Since interpersonal relations are composed of multiple factors with different nature (i.e., structural and social factors), ...