1. Using Social Factors in Digital Rights Management 차병래

2. 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

3. 2. Social Factors in DRM Assumes – Actors Consumer Distributor Content provider – Water-marking – OSN: Online Social Network – Group punishment Social pressure on the pirates

4. 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(?)

6. 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

7. 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