1) Embedding crash course https://developers.google.com/machine-learning/crash-course/...
2) What is a vector database? https://zilliz.com/learn/what-is-vector-database
3) Introduction to vector similarity search https://zilliz.com/blog/vector-similarity-search
4) ANN benchmarks http://ann-benchmarks.com
5) Unstructured data ETL https://github.com/towhee-io/towhee