Natural Language Processing
Information Retrieval
IR
Natural Language Processing· Foundational
Definition
The science of finding relevant information from large collections of unstructured or semi-structured data in response to a query. IR underpins search engines, document discovery, and RAG systems. Modern IR combines sparse retrieval (BM25, TF-IDF) with dense vector retrieval for hybrid approaches.
Tags
#search#retrieval#BM25#TF-IDF#ranking
MS
Maxx Stacks Editorial
Reviewed by enterprise AI practitioners
Maxx University
Keep learning. Keep building.
250+ terms. 5 learning paths. AI maturity assessment. Jargon translator. All free, always.