Topic modeling revisited: A document graph-based neural network perspective

D Shen, C Qin, C Wang, Z Dong… - Advances in neural …, 2021 - proceedings.neurips.cc
Most topic modeling approaches are based on the bag-of-words assumption, where each
word is required to be conditionally independent in the same document. As a result, both of …

Setrank: A setwise bayesian approach for collaborative ranking in recommender system

C Wang, H Zhu, C Zhu, C Qin, E Chen… - ACM Transactions on …, 2023 - dl.acm.org
The recent development of recommender systems has a focus on collaborative ranking,
which provides users with a sorted list rather than rating prediction. The sorted item lists can …

Conditional variational autoencoder for sign language translation with cross-modal alignment

R Zhao, L Zhang, B Fu, C Hu, J Su… - Proceedings of the AAAI …, 2024 - ojs.aaai.org
Sign language translation (SLT) aims to convert continuous sign language videos into
textual sentences. As a typical multi-modal task, there exists an inherent modality gap …

HD-KT: Advancing Robust Knowledge Tracing via Anomalous Learning Interaction Detection

H Ma, Y Yang, C Qin, X Yu, S Yang, X Zhang… - Proceedings of the ACM …, 2024 - dl.acm.org
Knowledge tracing (KT) is a crucial task in online learning, aimed at tracing and predicting
each student's knowledge states throughout their learning process. Over the past decade, it …

Relicd: a reliable cognitive diagnosis framework with confidence awareness

Y Zhang, C Qin, D Shen, H Ma, L Zhang… - … Conference on Data …, 2023 - ieeexplore.ieee.org
During the past few decades, cognitive diagnostics modeling has attracted increasing
attention in computational education communities, which is capable of quantifying the …

[PDF][PDF] DGCD: An Adaptive Denoising GNN for Group-level Cognitive Diagnosis

H Ma, S Song, C Qin, X Yu, L Zhang, X Zhang… - The 33rd International …, 2024 - ijcai.org
Group-level cognitive diagnosis, pivotal in intelligent education, aims to effectively assess
grouplevel knowledge proficiency by modeling the learning behaviors of individuals within …

Rethinking the Spatial Inconsistency in Classifier-Free Diffusion Guidance

D Shen, G Song, Z Xue, FY Wang… - Proceedings of the …, 2024 - openaccess.thecvf.com
Abstract Classifier-Free Guidance (CFG) has been widely used in text-to-image diffusion
models where the CFG scale is introduced to control the strength of text guidance on the …

Joint representation learning with relation-enhanced topic models for intelligent job interview assessment

D Shen, C Qin, H Zhu, T Xu, E Chen… - ACM Transactions on …, 2021 - dl.acm.org
The job interview is considered as one of the most essential tasks in talent recruitment,
which forms a bridge between candidates and employers in fitting the right person for the …

Exploiting connections among personality, job position, and work behavior: Evidence from joint Bayesian learning

D Shen, H Zhu, K Xiao, X Zhang, H Xiong - ACM Transactions on …, 2023 - dl.acm.org
Personality has been considered as a driving factor for work engagement, which
significantly affects people's role performance at work. Although existing research has …

AdaVAE: Bayesian structural adaptation for variational autoencoders

P Regmi, R Li - Advances in neural information processing …, 2024 - proceedings.neurips.cc
The neural network structures of generative models and their corresponding inference
models paired in variational autoencoders (VAEs) play a critical role in the models' …