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- articleJuly 2009
Convergence to equilibrium in local interaction games
ACM SIGecom Exchanges (SIGECOM), Volume 8, Issue 1Article No.: 11, Pages 1–4https://doi.org/10.1145/1598780.1598791We study a simple game-theoretic model for the spread of an innovation in a network. The diffiusion of the innovation is modeled as the dynamics of a coordination game in which the adoption of a common strategy between players has a higher payoff. ...
- articleNovember 2008
Strategic network formation with structural holes
ACM SIGecom Exchanges (SIGECOM), Volume 7, Issue 3Article No.: 11, Pages 1–4https://doi.org/10.1145/1486877.1486888In this paper we briefly summarize the sociological theory of structural holes, which asserts that people benefit from acting as bridges between groups of people who do not otherwise interact. We then summarize recent work on modeling this phenomenon ...
- articleNovember 2008
Diversification in the internet economy: the role of for-profit mediators
ACM SIGecom Exchanges (SIGECOM), Volume 7, Issue 3Article No.: 7, Pages 1–24https://doi.org/10.1145/1486877.1486884We investigate market forces that would lead to the emergence of new classes of players in the sponsored search advertising market. We report a multi-fold diversification triggered by an inherent feature of the sponsored search market, namely, capacity ...
- articleDecember 2001
Social ReGreT, a reputation model based on social relations
ACM SIGecom Exchanges (SIGECOM), Volume 3, Issue 1Pages 44–56https://doi.org/10.1145/844331.844337Social network analysis has been used for a long time by sociologist as a mechanism to infer and explain social behaviours. Analysing social relations between individuals in a society using social network analysis techniques allows to identify a lot of ...
