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Sarah Li Chen

2 accepted papers

2025

Rethinking Word Similarity: Semantic Similarity through Classification Confusion

NAACL 2025long

Word similarity has many applications to social science and cultural analytics tasks like measuring meaning change over time and making sense of contested terms. Yet traditional similarity methods based on cosine similarity between word embeddings cannot capture the context-dependent, asymmetrical,…

Cited by 0SourcePDFScholar
2023

Lexinvariant Language Models

NeurIPS 2023spotlight

Token embeddings, a mapping from discrete lexical symbols to continuous vectors, are at the heart of any language model (LM). However, lexical symbol meanings can also be determined and even redefined by their structural role in a long context. In this paper, we ask: is it possible for a language mo…

Cited by 3SourcePDFScholar