Similarity/Distance Search

• is the most general term used for a range of mechanisms that share the principle of searching spaces of objects where the only available comparator is the similarity/distance between any pair of objects
• used in Vector Databases for indexing methods

Similarity/Distance Search - Algorithms

• Flat (brute-force)

• Approximate Nearest Neighbor (ANN) Search
• Facebook AI Similarity Search (FAISS)
• Nearest Neighbor Search (NNS) - Vector Search