AspectCSE: Sentence Embeddings for Aspect-Based Semantic Textual Similarity Using Contrastive Learning and Structured Knowledge Tim Schopf author Emanuel Gerber author Malte Ostendorff author Florian Matthes author 2023-09 text Proceedings of the 14th International Conference on Recent Advances in Natural Language Processing Ruslan Mitkov editor Galia Angelova editor INCOMA Ltd., Shoumen, Bulgaria Varna, Bulgaria conference publication schopf-etal-2023-aspectcse https://aclanthology.org/2023.ranlp-1.113/ 2023-09 1054 1065