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Gecko: Versatile Text Embeddings Distilled from Large Language Models
April 1, 2024, 4:47 a.m. | Jinhyuk Lee, Zhuyun Dai, Xiaoqi Ren, Blair Chen, Daniel Cer, Jeremy R. Cole, Kai Hui, Michael Boratko, Rajvi Kapadia, Wen Ding, Yi Luan, Sai Meher Kar
cs.CL updates on arXiv.org arxiv.org
Abstract: We present Gecko, a compact and versatile text embedding model. Gecko achieves strong retrieval performance by leveraging a key idea: distilling knowledge from large language models (LLMs) into a retriever. Our two-step distillation process begins with generating diverse, synthetic paired data using an LLM. Next, we further refine the data quality by retrieving a set of candidate passages for each query, and relabeling the positive and hard negative passages using the same LLM. The effectiveness …
abstract arxiv compact cs.ai cs.cl data distillation diverse embedding embeddings gecko key knowledge language language models large language large language models llm llms next performance process retrieval synthetic text text embedding type
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