Semantic Similarity Covariance Matrix Shrinkage Guillaume Becquin author Saher Esmeir author 2023-12 text Findings of the Association for Computational Linguistics: EMNLP 2023 Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication becquin-esmeir-2023-semantic 10.18653/v1/2023.findings-emnlp.668 https://aclanthology.org/2023.findings-emnlp.668/ 2023-12 9977 9992