Using Vectors with Apache Cassandra and DataStax Astra DB (part 3)

Welcome to part three of my series on learnings from building a vector database. In part one, we covered some of the basics about vectors. Part two was a deep dive into different similarities, on and off the unit sphere. Here, we’ll explore the use of vectors with Apache Cassandra and DataStax Astra DB.

Similarity search and approximate nearest neighbor

The key interrogation one wants to run in a vector database is "similarity search": given a certain query …

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