Search & Retrieval
Architectures and patterns for finding, ranking, and retrieving information — from keyword search to semantic AI-powered retrieval.
Full-Text Search
Indexing text for fast retrieval across documents, logs, and records by content.
Elasticsearch Architecture
Deep dive into Elasticsearch's distributed search architecture and operational patterns.
Search Indexing Pipelines
Keeping search indexes synchronized with source data through reliable ETL/CDC pipelines.
Relevance Ranking
Ordering results by usefulness with TF-IDF, BM25, and learning-to-rank approaches.
Faceted Search
Filtering by structured dimensions — aggregations, buckets, and UI patterns.
Semantic Search
Retrieval by meaning using embeddings and approximate nearest neighbor algorithms.
Vector Search
Similarity search over high-dimensional embeddings for AI-powered applications and RAG.
Hybrid Search
Combining keyword and semantic search for maximum recall and precision.