Dynamics underlying Box-office: Movie Competition on Recommender Systems

Details Dynamics underlying Box-office: Movie Competition on Recommender Systems Dynamics underlying Box-office: Movie Competition on Recommender Systems

2010-05-14

arxiv.org/abs/1005.2533v2

Phys. Rev. E Vol. 83, 016105 (2011)

Physics

Physics and Society

8 pages, 6 figures

Scientific paper

We introduce a simple model to study movie competition in the recommender systems. Movies of heterogeneous quality compete against each other through viewers' reviews and generate interesting dynamics of box-office. By assuming mean-field interactions between the competing movies, we show that run-away effect of popularity spreading is triggered by defeating the average review score, leading to hits in box-office. The average review score thus characterizes the critical movie quality necessary for transition from box-office bombs to blockbusters. The major factors affecting the critical review score are examined. By iterating the mean-field dynamical equations, we obtain qualitative agreements with simulations and real systems in the dynamical forms of box-office, revealing the significant role of competition in understanding box-office dynamics.

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