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Ciphertext-policy attribute-based encryption (CP-ABE) provides an encrypted access control mechanism for broadcasting messages. Basically, a sender encrypts a message with an access control policy tree which is logically composed of attributes; receivers are able to decrypt the message when their attributes satisfy the policy tree. A user's attributes stand(More)
in this paper, we analyze the fact that the user experience and the transmission speed conflict with each other on the Mobile Internet, and then puts forward a solution from three aspects. Firstly, considering limited-resource devices on the Mobile Internet, this paper introduces the compound document as the file system. Secondly, considering enhancing user(More)
SNS (social network service) is becoming more and more popular on the web, and it is even more so for Mobile Internet browsing. The huge success of foursquare on the web shows that introducing LBS (location based service) to mobile Internet is promising. With LBS, mobile device (client) needs to commit user's location information as a request to the remote(More)
This paper proposes a novel technique to detect the main moving trajectory of indoor pedestrians. Based on Long Short- Term Memory(LSTM) Network, this deep learning network is capable of learning the trajectory of human beings using indoor Wi-Fi positioning data. The data is collected by Wi-Fi detectors densely installed in a public building in the urban(More)
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