LaBSE: Language-agnostic BERT Sentence Embeddings, Fangxiaoyu Feng, Yinfei Yang, Daniel N. Li, Heng-Tze Cheng, Joshua Rosen, Michele Catasta, Rahul Gupta, R. J. Qian, Lifeng Shang, H. Ma, Jiatao Gu, Yonghui Wu, 2020Proceedings of the AAAI Conference on Artificial Intelligence, Vol. 34 (AAAI Press)DOI: 10.1609/aaai.v34i05.6599 - Describes a model for creating universal sentence embeddings across many languages, important for cross-lingual retrieval.
Multilingual Information Retrieval: Challenges and Approaches, Javid Ebrahimi, Hamed Zamani, 2023ACM Computing Surveys, Vol. 55 (Association for Computing Machinery)DOI: 10.1145/3604473 - A survey providing an overview of challenges and architectural approaches in multilingual information retrieval, including RAG-relevant concepts.