期刊论文

Xian Peng<&wdkj&>Zongkai Yang

英文

Knowledge-Based Systems

0950-7051

2023

259

110053

10.1016/j.knosys.2022.110053

CRediT authorship contribution statement Zhi Liu: Conceptualization, Writing – review & editing, Project administration, acquisition, Validation. Weizheng Kong: Methodology, Writing – original draft, Software, Data curation, Validation. Xian Peng: Writing – review & editing, acquisition. Zongkai Yang: Supervision, acquisition. Sannyuya Liu: Supervision, acquisition. Shiqi Liu: Writing – review & editing, Validation. Chaodong Wen: Writing – review & editing, Validation.

本校为第一机构

Online course discussions contain abundant cognitive information from learners. Previous models required a large amount of labeled data to classify cognitive engagement from the perspective of semantic features alone. However, these models only contain semantic features but cannot fully represent textual information and have poor performance in cases of scarce labeled data. Moreover, cognitive psychological features imply important information that cannot be captured by semantic features. Therefore, this paper proposes a dual feature embedding-based semi-supervised cognitive classification met...