Zhiguang Qin

Fine-Grained Access Control for Cloud Data Sharing by Secure and Efficient Attribute-Revocable Ciphertext-Policy Attribute-Based Encryption

2016 · International Journal of Security and Its Applications

Nowadays, more and more users outsource their data to third party cloud storage servers for the purpose of sharing, so cloud data sharing becomes one of the popular services offered by cloud service providers. However, …

Leveraging Image Visual Features in Content-Based Recommender System

2018 · Scientific Programming

Content-based (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mtext>CB</mml:mtext></mml:mrow></mml:math>) and collaborative filtering (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:mrow><mml:mtext>CF</mml:mtext></mml:mrow></mml:math>) recommendation algorithms are widely used in modern e-commerce recommender systems (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M3"><mml:mrow><mml:mtext>RSs</mml:mtext></mml:mrow></mml:math>) to improve user experience of personalized services. Item content features and user-item …