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Using Social Factors in Digital Rights Management. 차병 래. 1. Introduction. Digital Contents from piracy Unauthorized copy, use, and distribution Anti-piracy efforts Digital locking Legal measures Reducing availability DRM on the Internet remains a hard problem
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1. Introduction • Digital Contents from piracy • Unauthorized copy, use, and distribution • Anti-piracy efforts • Digital locking • Legal measures • Reducing availability • DRM on the Internet remains a hard problem • piracy is not considered a crime • Unlike other theft, no or very little social stigma • Hard to monitor the behavior of the end-users to track DRM violations
2. Social Factors in DRM • Assumes • Actors • Consumer • Distributor • Content provider • Water-marking • OSN: Online Social Network • Group punishment • Social pressure on the pirates
2. Social Factors in DRM • Assumes • Parameter • DP: Distributor Potential • Measure of the capacity of a node to be distributor • Density of connections around the node on the social network • Parameter computed based on the topological structure of the social graph • PR: Piracy Rate • Computed by the content provider for each distributor • Content provider tags the content sold by each distributor using watermarks of fuzzy hashing techniques • Content provider periodically scan(?)
2. Social Factors in DRM • Game Models • Distributor Game • Consumer Game • Distributor Game • Actors • Content provider -> To prevent or minimize content piracy • Distributor • to model the selection process for a particular distributor and analyze the incentives that the involved parties have for the different choices
2. Social Factors in DRM • Consumer Game • Actors • Distributor -> Maximizing his profit and minimizing content piracy • Consumer • to exert social pressure on the consumers in order to eliminate the incentive for piracy