2 papers
cs.CL2026
GHI: Graphormer over Conditioned Hypergraph Incidence for Aspect-Based Sentiment Analysis
Yu Du, Wenlong Zhu, Xingze Li +3
Aspect-based sentiment analysis (ABSA) requires models to bind sentiment evidence to the correct aspect, making it a natural testbed for fine-grained structural reasoning. We intro…
econ.EM2026
Doubly Robust Estimators with Weak Overlap
Yukun Ma, Pedro H. C. Sant'Anna, Yuya Sasaki +1
Doubly robust (DR) estimators guard against model misspecification but remain sensitive to weak covariate overlap. We show that trimming propensity scores reduces variance but elim…