textsearch
Textsearch refers to the process and systems used to locate relevant textual information within a collection of documents or streams. It combines indexing, querying, and ranking to retrieve documents that match a user’s query, often under latency constraints. Text search is a core component of search engines, digital libraries, enterprise content management, and log analysis.
Key techniques include preprocessing steps such as normalization, tokenization, stop-word removal, and stemming or lemmatization. The
Indexing and architecture often employ distributed design to scale across machines, with inverted indices and document
Applications span web and enterprise search, e-commerce product search, code and document repositories, and log analytics.