Radosław Michalski

TL;DR: The concept of matching social network and corporate hierarchy in organizations with stable corporate structure is presented to confirm whether social position of an employee calculated on the basis of the social network differs significantly from the formal employee role in the company.

TL;DR: Novel approaches for seed initiation that replace the commonly used activation of all seeds at once with a sequence of initiation stages are introduced and results indicate that, regardless of the seed ranking method used, sequential seeding strategies deliver better coverage than single stage seeding in about 90% of cases.

TL;DR: This paper analyses how the results of one of the typical models for spread of influence - linear threshold - differ depending on the strategy of building the social network used later for choosing seeds, and reveals that temporal approach is always better than static and the higher granularity in the temporal social network while seeding, the more finally influenced nodes.

TL;DR: In this paper, the authors analyzed how the results of one of the typical models for spread of influence differ depending on the strategy of building the social network used later for choosing seeds.

TL;DR: The authors found the best strategies for knowledge facilitator, knowledge collector, and expert roles allocation and developed a way to accelerate the community of practice in a network.