Determining Models of Influence

Autor: Michel Grabisch, Agnieszka Rusinowska

Publikováno v: Operations Research and Decisions, Vol vol. 26, Iss no. 2, Pp 69-85 (2016)

We consider a model of opinion formation based on aggregation functions. Each player modifies his opinion by arbitrarily aggregating the current opinion of all players. A player is influential on another player if the opinion of the first one matters

Externí odkaz: https://doaj.org/article/e146b8279e6d46bea841cd271123571a

On the Design of Public Debate in Social Networks

Autor: Michel Grabisch, Antoine Mandel, Agnieszka Rusinowska

Publikováno v: Operations Research. 71:626-648

How to Avoid Polarization in Social Networks In order to facilitate social interactions and the design of deliberative and efficient institutions, a social planner should ensure that diverse opinions can be sustained and debated and ensuring social c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f380ca150e1706563643fac193d12c00
https://doi.org/10.1287/opre.2022.2356

k-additive upper approximation of TU-games

Autor: Agnieszka Rusinowska, Michel Grabisch

Publikováno v: Operations Research Letters
Operations Research Letters, Elsevier, 2020, 48 (4), pp.487-492. ⟨10.1016/j.orl.2020.06.001⟩

International audience; We study the problem of an upper approximation of a TU-game by a-additive game under the constraint that both games yield the same Shapley value. The best approximation is obtained by minimizing the sum of excesses with respec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::762761b2c366abc4d18b14f8eb06ebbb
https://doi.org/10.1016/j.orl.2020.06.001

Winning coalitions in plurality voting democracies

Autor: René van den Brink, Agnieszka Rusinowska, Dinko Dimitrov

Publikováno v: Social Choice and Welfare
Social Choice and Welfare, Springer Verlag, 2021, 56, pp.509-530. ⟨10.1007/s00355-020-01290-y⟩
van den Brink, R, Dimitrov, D & Rusinowska, A 2020, ' Winning coalitions in plurality voting democracies ', Social Choice and Welfare, vol. 56, no. 3, pp. 509-530 . https://doi.org/10.1007/s00355-020-01290-y
Social Choice and Welfare, 56(3), 509-530. Springer New York

Open Access funding enabled and organized by Projekt DEAL.; International audience; We consider plurality voting games being simple games in partition function form such that in every partition there is at least one winning coalition. Such a game is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87e424535d724349ffb814112fcd9279
https://hal.archives-ouvertes.fr/hal-03153465

The degree ratio ranking method for directed graphs

Autor: Agnieszka Rusinowska, René van den Brink

Publikováno v: European Journal of Operational Research
European Journal of Operational Research, Elsevier, 2021, 288 (2), pp.563-575
European Journal of Operational Research, 288(2), 563-575. Elsevier
European Journal of Operational Research, Elsevier, 2021, 288 (2), pp.563-575. ⟨10.1016/j.ejor.2020.06.013⟩
Brink, R V D & Rusinowska, A 2021, ' The degree ratio ranking method for directed graphs ', European Journal of Operational Research, vol. 288, no. 2, pp. 563-575 . https://doi.org/10.1016/j.ejor.2020.06.013

One of the most famous ranking methods for digraphs is the ranking by Copeland score. The Copeland score of a node in a digraph is the difference between its outdegree (i.e. its number of outgoing arcs) and its indegree (i.e. its number of ingoing ar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afdf913d4aeddd14b1a34be789a101ec
https://hal.archives-ouvertes.fr/hal-03153475