3 papers
cs.LG2026
ChronoSheaf: Joint Spatio-Temporal Spectral Filtering on Cellular Sheaves
Abeer Mostafa, Zahra Ahmadi
Sheaf neural networks generalize graph neural networks by assigning each edge a learned linear restriction map that specifies how the local representations of adjacent nodes relate…
cs.LG2026
Dynamic Sheaf Diffusion Networks with Adaptive Local Structure for Heterogeneous Spatio-Temporal Graph Learning
Abeer Mostafa, Raneen Younis, Zahra Ahmadi
Spatio-temporal processes often exhibit highly heterogeneous and non-intuitive responses to localized disruptions, limiting the effectiveness of conventional message passing approa…
cs.CL2026
Are We Truly Innovating? A Qualitative and Quantitative Study of Originality in AI Research Papers
Abeer Mostafa, Thi Huyen Nguyen, Zahra Ahmadi
Assessing originality in AI research is arguably the most consequential yet least reliable step in peer review. Reviewer judgments of originality remain opaque, inconsistent, and d…