Microsoft Technology Licensing, LLC

Xi Tong

Gregory Powell Young

Chih-Pin Benjamin Kao

Deepak Sreenivas Pemmaraju

Keping Zhao

Lin Wang

Systems and methods for synchronizing data between an online data source and a client application. The method includes, in response to a change in a permission associated with a user to a protected data set included in a shared data space of the online data source, receiving, with the client application associated with the user, a protected data synchronization token issued by the online data source associated with the protected data set and downloading, with the client application, the protected data set included in the shared data space from the online data source to the client application using the protected data synchronization token without re-downloading a public data set included in the shared data space. After downloading the protected data set, the method includes synchronizing the shared data space, including the protected data set and the public data set, using a stored data space synchronization token.

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Sammamish, WA, United States of America

Xi Tong