3 papers
cs.IR2025
NR4DER: Neural Re-ranking for Diversified Exercise Recommendation
Xinghe Cheng, Xufang Zhou, Liangda Fang +5
With the widespread adoption of online education platforms, an increasing number of students are gaining new knowledge through Massive Open Online Courses (MOOCs). Exercise recomme…
math.OC2024
De-singularity Subgradient for the -th-Powered -Norm Weber Location Problem
Zhao-Rong Lai, Xiaotian Wu, Liangda Fang +2
The Weber location problem is widely used in several artificial intelligence scenarios. However, the gradient of the objective does not exist at a considerable set of singular poin…
cs.AI2023
An Investigation of Darwiche and Pearl's Postulates for Iterated Belief Update
Quanlong Guan, Tong Zhu, Liangda Fang +3
Belief revision and update, two significant types of belief change, both focus on how an agent modify her beliefs in presence of new information. The most striking difference betwe…