2 papers
cs.IR2023
Hierarchical Contrastive Learning with Multiple Augmentation for Sequential Recommendation
Dongjun Lee, Donggeun Ko, Jaekwang Kim
Sequential recommendation addresses the issue of preference drift by predicting the next item based on the user's previous behaviors. Recently, a promising approach using contrasti…
cs.CV2022
Deepfake Detection for Facial Images with Facemasks
Donggeun Ko, Sangjun Lee, Jinyong Park +3
Hyper-realistic face image generation and manipulation have givenrise to numerous unethical social issues, e.g., invasion of privacy,threat of security, and malicious political man…