Unsupervised representation learning approaches aim to learn discriminative feature
representations from unlabeled data, without the requirement of annotating every sample …

Although social network provides more convenience for people's daily communication, it
also faces the risk of personal privacy leakage. How to effectively evaluate and protect …

Human societies are constantly coping with global risks. In the face of these risks, people
typically have two options, that is, to respond together as a whole (collective solution) or to …