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1. 发明申请

WO2014138753A2 A METHOD AND SYSTEM FOR PRIVACY-PRESERVING RECOMMENDATION TO RATING CONTRIBUTING USERS BASED ON MATRIX FACTORIZATION 审中-公开
标题翻译：一种基于矩阵分解的隐私保留建议评估贡献用户的方法和系统
公开(公告)号：WO2014138753A2
公开(公告)日：2014-09-12
申请号：PCT/US2014/036359
申请日：2014-05-01
申请人： THOMSON LICENSING
发明人： IOANNIDIS, Efstratios , WEINSBERG, Ehud , TAFT, Nina, Anne , JOYE, Marc , NIKOLAENKO, Valeria
IPC分类号： G06F21/12
CPC分类号： H04L9/3213 , G06F17/16 , G06F21/602 , G06F21/6227 , G06F21/64 , G06N5/04 , H04L9/008 , H04L9/302 , H04L9/3263 , H04L9/3273 , H04L2209/24 , H04L2209/46 , H04L2209/50 , H04N21/251 , H04N21/25891 , H04N21/44222 , H04N21/4668 , H04N21/6582
摘要： A method and a system for generating privacy-preserving recommendations commences by receiving as input a set of records including tokens and items, without learning the content of any individual record; designing and evaluating a garbled circuit based on matrix factorization on the set of records to generate recommendations in a privacy-preserving way about at least one item, without learning the content of any individual record or any information extracted from the records, including the recommendations. The system includes three parties: a plurality of users or a database representing a Source for the records; a Crypto-Service Provider which will design the garbled circuit and a Recommender System which will evaluate the circuit, such that the records and any information extracted from the records, are kept secret from parties other than their source and the recommendations are only known by the requesting party.
摘要翻译：用于生成隐私保持推荐的方法和系统开始于接收包括令牌和项目的记录集合作为输入，而不学习任何单独记录的内容; 基于对记录集合的矩阵分解设计和评估乱码电路，以至少一个项目的隐私保护方式生成推荐，而不需要学习任何单独记录的内容或从记录中提取的任何信息，包括推荐。该系统包括三方：多个用户或代表记录来源的数据库; 一个加密服务提供商将设计乱码电路和一个评估电路的推荐系统，以便记录和从记录中提取的任何信息对于其他来源以外的各方保密，并且建议仅由请求方。

2. 发明申请

WO2016054006A1 METHODS AND SYSTEMS FOR MULTI-STATE RECOMMENDATIONS 审中-公开
标题翻译：多国建议的方法和系统
公开(公告)号：WO2016054006A1
公开(公告)日：2016-04-07
申请号：PCT/US2015/052888
申请日：2015-09-29
申请人： THOMSON LICENSING
发明人： WEINSBERG, Ehud
IPC分类号： G06F17/30
CPC分类号： G06F17/30053
摘要： A recommendation system (200) can determine a first movie that has a beginning state that is close to the first state identified by the user, e.g., a sad state the user is currently in. Recommendation systems can use closeness criteria, such as determining a difference between a happiness value of the first state and a happiness value of the beginning state of the first movie, and requiring the difference to be less than a predetermined threshold value. Likewise, closeness criteria may be used to ensure the ending state of the first movie is close to the beginning state of the second movie, and to ensure the ending state of the second movie is close to the second state, e.g., the happy state desired by the user. In this way, for example, recommendation systems can provide multi-state recommendations.
摘要翻译：推荐系统（200）可以确定具有接近由用户识别的第一状态的开始状态的第一个电影，例如用户当前处于的悲观状态。推荐系统可以使用接近度标准，例如确定所述第一状态的幸福值与所述第一影片的开始状态的幸福值之间的差异，并且要求所述差小于预定阈值。类似地，可以使用接近度标准来确保第一电影的结束状态接近第二电影的开始状态，并且确保第二电影的结束状态接近第二状态，例如期望的快乐状态由用户以这种方式，例如，推荐系统可以提供多状态建议。

3. 发明申请

WO2014138754A3 A METHOD AND SYSTEM FOR PRIVACY-PRESERVING RECOMMENDATION BASED ON MATRIX FACTORIZATION AND RIDGE REGRESSION 审中-公开
公开(公告)号：WO2014138754A3
公开(公告)日：2014-09-12
申请号：PCT/US2014/036360
申请日：2014-05-01
申请人： THOMSON LICENSING
发明人： IOANNIDIS, Efstratios , WEINSBERG, Ehud , TAFT, Nina, Anne , JOYE, Marc , NIKOLAENKO, Valeria
IPC分类号： H04L9/00 , H04N21/466
摘要： A method and a system for generating privacy-preserving recommendations commences by receiving as input a first set of records including tokens and items, from a first set of users; designing and evaluating a first garbled circuit based on matrix factorization on the first set of records and a second garbled circuit based on ridge-regression on a second record, from a requesting user to generate recommendations in a privacy-preserving way about at least one item, such that the records and any information extracted from the records, are kept secret from parties other than their source and the recommendations are only known by the requesting user. The system also includes a Crypto-Service Provider which will design the garbled circuits and a Recommender will will evaluate the first circuit. The requesting user will evaluate the second circuit and may not be included in the first set of users.

4. 发明申请

WO2015191919A1 METHOD AND SYSTEM FOR PRIVACY-PRESERVING RECOMMENDATIONS 审中-公开
标题翻译：用于隐私保护建议的方法和系统
公开(公告)号：WO2015191919A1
公开(公告)日：2015-12-17
申请号：PCT/US2015/035422
申请日：2015-06-11
申请人： THOMSON LICENSING
发明人： WEINSBERG, Ehud , JOYE, Marc , IOANNIDIS, Efstratios
IPC分类号： G06F21/62 , G06Q30/06 , H04L9/00
CPC分类号： G06F21/6245 , G06Q30/0282 , G06Q30/0631 , H04L9/008
摘要： Various examples of systems and methods for providing recommendations that can be tailored to a user while preserving the privacy of the user's personal information are disclosed. In various embodiments, user information can be encrypted such that the recommendation service cannot decrypt the user information, yet the recommendation service can analyze the user information to predict user ratings for content items. The predicted user ratings can remain obscured from the recommendation service by encryption, yet can provide the basis for recommendations tailored to the user. In particular, the encrypted predicted user ratings can be sent to a third party (i.e., not the recommendation service or the user), and the third party can decrypt the predicted user ratings and determine recommendations based on the predicted user ratings.
摘要翻译：公开了用于提供可以针对用户定制的建议的系统和方法的各种示例，同时保持用户的个人信息的隐私。在各种实施例中，可以加密用户信息，使得推荐服务不能解密用户信息，但是推荐服务可以分析用户信息以预测内容项目的用户评级。预测的用户评分可以通过加密仍然可以从推荐服务中遮蔽，但可以为用户定制的推荐提供基础。特别地，加密的预测用户评级可以被发送到第三方（即，不是推荐服务或用户），并且第三方可以解密预测的用户评级并且基于预测的用户评级来确定推荐。

5. 发明申请

WO2014123581A1 PRIVACY PROTECTION AGAINST CURIOUS RECOMMENDERS 审中-公开
标题翻译：对违规建议者的隐私保护
公开(公告)号：WO2014123581A1
公开(公告)日：2014-08-14
申请号：PCT/US2013/053984
申请日：2013-08-07
申请人： THOMSON LICENSING , IOANNIDIS, Efstratios , WEINSBERG, Ehud , BHAGAT, Smriti , FAWAZ, Nadia , MONTANARI, Andrea F. , TAFT, Nina Anne
发明人： IOANNIDIS, Efstratios , WEINSBERG, Ehud , BHAGAT, Smriti , FAWAZ, Nadia , MONTANARI, Andrea F. , TAFT, Nina Anne
IPC分类号： G06F21/62 , G06Q30/02 , H04N21/466
CPC分类号： G06F21/6254 , G06Q30/0201 , H04N21/25866 , H04N21/4756 , H04N21/4826
摘要： A method and apparatus for protecting user privacy in a recommender system are described including determining what information to release to a user for a movie, transmitting the information to the user, accepting obfuscated input from the user and estimating the user's non-private feature vector. Also described are a method and apparatus for protecting user privacy in a recommender system including receiving movie information, accepting a user's movie feedback, accepting user's private information, calculating an obfuscation value and transmitting the obfuscation value.
摘要翻译：描述了一种用于在推荐系统中保护用户隐私的方法和装置，包括确定要向用户释放电影的信息，向用户发送信息，接收来自用户的模糊化输入并估计用户的非私人特征向量。还描述了一种用于在推荐系统中保护用户隐私的方法和装置，包括接收电影信息，接受用户的电影反馈，接受用户的私人信息，计算混淆值和发送混淆值。

6. 发明申请

WO2016044129A1 METHOD AND SYSTEM FOR PRIVACY-PRESERVING RECOMMENDATIONS 审中-公开
标题翻译：用于隐私保护建议的方法和系统
公开(公告)号：WO2016044129A1
公开(公告)日：2016-03-24
申请号：PCT/US2015/049907
申请日：2015-09-14
申请人： THOMSON LICENSING
发明人： JOYE, Marc , WEINSBERG, Ehud , IOANNIDIS, Efstratios
IPC分类号： H04N21/466
CPC分类号： H04N21/25891 , H04N21/2351 , H04N21/251 , H04N21/2668 , H04N21/435 , H04N21/4668 , H04N21/4826
摘要： Various examples of systems and methods for providing recommendations that can be tailored to a user while preserving the privacy of the user's personal information are disclosed. In various embodiments, user information can be encrypted such that the recommendation service cannot decrypt the user information, yet the recommendation service can analyze the user information to predict user ratings for content items. The predicted user ratings can remain obscured from the recommendation service by encryption, yet can provide the basis for recommendations tailored to the user. In particular, encrypted comparison information of predicted user ratings can be sent to the user, and the user can decrypt the comparison and send result information to the recommender to determine recommendations.
摘要翻译：公开了用于提供可以针对用户定制的建议的系统和方法的各种示例，同时保持用户的个人信息的隐私。在各种实施例中，可以加密用户信息，使得推荐服务不能解密用户信息，但是推荐服务可以分析用户信息以预测内容项目的用户评级。预测的用户评分可以通过加密仍然可以从推荐服务中遮蔽，但可以为用户定制的推荐提供基础。特别地，可以向用户发送预测用户等级的加密比较信息，并且用户可以解密比较并将结果信息发送给推荐者以确定推荐。

7. 发明申请

WO2015191921A1 METHOD AND SYSTEM FOR PRIVACY-PRESERVING RECOMMENDATIONS 审中-公开
标题翻译：用于隐私保护建议的方法和系统
公开(公告)号：WO2015191921A1
公开(公告)日：2015-12-17
申请号：PCT/US2015/035424
申请日：2015-06-11
申请人： THOMSON LICENSING
发明人： WEINSBERG, Ehud , JOYE, Marc , IOANNIDIS, Efstratios
IPC分类号： G06F21/62 , G06Q30/06 , H04L9/00
CPC分类号： G06F21/6245 , G06Q30/0282 , G06Q30/0631 , H04L9/008 , H04L2209/60
摘要： Various examples of systems and methods for providing recommendations that can be tailored to a user while preserving the privacy of the user's personal information are disclosed. In various examples, third party-encrypted user ratings and corresponding content item identifications can be obtained. The third party- encrypted user ratings can be indexed based on the corresponding content item identifications. In some examples, the indexing can also be based on user identifications corresponding to the third party-encrypted user ratings. The third party-encrypted user rating can be stored based on the indexing.
摘要翻译：公开了用于提供可以针对用户定制的建议的系统和方法的各种示例，同时保持用户的个人信息的隐私。在各种示例中，可以获得第三方加密的用户评级和相应的内容项目标识。第三方加密的用户评级可以根据相应的内容项目标识进行索引。在一些示例中，索引也可以基于对应于第三方加密的用户评级的用户标识。可以基于索引来存储第三方加密的用户等级。

8. 发明申请

WO2014138752A3 A METHOD AND SYSTEM FOR PRIVACY PRESERVING MATRIX FACTORIZATION 审中-公开
公开(公告)号：WO2014138752A3
公开(公告)日：2014-09-12
申请号：PCT/US2014/036357
申请日：2014-05-01
申请人： THOMSON LICENSING
发明人： IOANNIDIS, Efstratios , WEINSBERG, Ehud , TAFT, Nina, Anne , JOYE, Marc , NIKOLAENKO, Valeria
IPC分类号： H04L9/00 , H04N21/466
摘要： A method and a system for securely profiling items through matrix factorization for use in recommendation systems commences by receiving as input a set of records including tokens and items, without learning the content of any individual record; designing and evaluating a garbled circuit based on matrix factorization on the set of records to generate item profiles in a privacy-preserving way about at least one item, without learning the content of any individual record or any information extracted from the records other than the item profiles. The system includes three parties: a plurality of users or a database representing a Source for the records; a Crypto-Service Provider which will design the garbled circuit and a Recommender System which will evaluate the circuit, such that the records and any information extracted from the records other than the item profiles are kept secret from parties other than their source.

9. 发明申请

WO2014137449A3 A METHOD AND SYSTEM FOR PRIVACY PRESERVING COUNTING 审中-公开
公开(公告)号：WO2014137449A3
公开(公告)日：2014-09-12
申请号：PCT/US2013/076353
申请日：2013-12-19
申请人： THOMSON LICENSING , IOANNIDIS, Efstratios , WEINSBERG, Ehud , TAFT, Nina, Anne , JOYE, Marc , NIKOLAENKO, Valeria
发明人： IOANNIDIS, Efstratios , WEINSBERG, Ehud , TAFT, Nina, Anne , JOYE, Marc , NIKOLAENKO, Valeria
IPC分类号： H04L9/00
摘要： A method for counting securely comprising receiving as input a set of records, wherein said set of records comprises at least one record, each record including a set of tokens, wherein said set of tokens comprises at least one token; receiving a separate set of tokens including at least one token and processing the set of records and the separate set of tokens to count in how many records each token belonging to the separate set of tokens appears without learning the contents of any individual record and of any information extracted from the records other than the counts.

10. 发明公开

EP2954454A1 PRIVACY PROTECTION AGAINST CURIOUS RECOMMENDERS 审中-公开
标题翻译： SCHUTZ DERPRIVATSPHÄREGEGEN KURIOSE EMPFEHLER
公开(公告)号：EP2954454A1
公开(公告)日：2015-12-16
申请号：EP13751005.3
申请日：2013-08-07
申请人： Thomson Licensing
发明人： IOANNIDIS, Efstratios , WEINSBERG, Ehud , BHAGAT, Smriti , FAWAZ, Nadia , MONTANARI, Andrea F. , TAFT, Nina Anne
IPC分类号： G06F21/62 , G06Q30/02 , H04N21/466
CPC分类号： G06F21/6254 , G06Q30/0201 , H04N21/25866 , H04N21/4756 , H04N21/4826
摘要： A method and apparatus for protecting user privacy in a recommender system are described including determining what information to release to a user for a movie, transmitting the information to the user, accepting obfuscated input from the user and estimating the user's non-private feature vector. Also described are a method and apparatus for protecting user privacy in a recommender system including receiving movie information, accepting a user's movie feedback, accepting user's private information, calculating an obfuscation value and transmitting the obfuscation value.
摘要翻译：描述了一种用于在推荐系统中保护用户隐私的方法和装置，包括确定要向用户释放电影的信息，向用户发送信息，从用户接收模糊输入并估计用户的非私人特征向量。还描述了一种用于在推荐系统中保护用户隐私的方法和装置，包括接收电影信息，接受用户的电影反馈，接受用户的私人信息，计算混淆值并发送混淆值。

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