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发帖数: 4193 | 1 Anonymity and the Netflix Dataset
Last year, Netflix published 10 million movie rankings by 500,000
customers, as part of a challenge for people to come up with better
recommendation systems than the one the company was using. The data was
anonymized by removing personal details and replacing names with random
numbers, to protect the privacy of the recommenders.
Arvind Narayanan and Vitaly Shmatikov, researchers at the University of
Texas at Austin, de-anonymized some of the Netflix data b |
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