Sentence-BERT: Sentence Embeddings using Siamese BERT-Networks, Nils Reimers and Iryna Gurevych, 2019Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) (Association for Computational Linguistics)DOI: 10.18653/v1/D19-1410 - Introduces a widely used method for generating high-quality sentence embeddings, directly applicable to the embedding generation step in the pipeline.
Introduction to Information Retrieval, Christopher D. Manning, Prabhakar Raghavan, and Hinrich Schütze, 2008 (Cambridge University Press) - A classic textbook providing a strong foundation in information retrieval concepts, including indexing, querying, and ranking, for understanding the broader context of search systems.