Hybrid Retrieval Systems
Combining sparse and dense retrieval for optimal search performance
8 min readConcept
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search
Explore machine learning concepts related to search. Clear explanations and practical insights.
7
Concepts Found
Concepts Related to search
BM25 Algorithm
Probabilistic ranking function for information retrieval with term frequency saturation
10 min readConcept
ANN Algorithms Comparison
Compare all approximate nearest neighbor algorithms side-by-side: HNSW, IVF-PQ, LSH, Annoy, and ScaNN. Find the best approach for your use case.
9 min readConcept
HNSW: Hierarchical Navigable Small World
Interactive visualization of HNSW - the graph-based algorithm that powers modern vector search with logarithmic complexity.
7 min readConcept
IVF-PQ: Inverted File with Product Quantization
Learn how IVF-PQ combines clustering and compression to enable billion-scale vector search with minimal memory footprint.
8 min readConcept
LSH: Locality Sensitive Hashing
Explore how LSH uses probabilistic hash functions to find similar vectors in sub-linear time, perfect for streaming and high-dimensional data.
8 min readConcept
Multi-Vector Late Interaction
Explore ColBERT and other multi-vector retrieval models that use fine-grained token-level matching for superior search quality.
8 min readConcept