2 papers
cs.IR2025
Dynamic Topic Analysis in Academic Journals using Convex Non-negative Matrix Factorization Method
Yang Yang, Tong Zhang, Jian Wu +1
With the rapid advancement of large language models, academic topic identification and topic evolution analysis are crucial for enhancing AI's understanding capabilities. Dynamic t…
cs.DL2024
Freshness and Informativity Weighted Cognitive Extent and Its Correlation with Cumulative Citation Count
Zihe Wang, Jian Wu
In this paper, we revisit cognitive extent, originally defined as the number of unique phrases in a quota. We introduce Freshness and Informative Weighted Cognitive Extent (FICE),…