Search/Retrieve Web Service

Search/Retrieve Web service (SRW) is a web service for search and retrieval. SRW provides a SOAP interface to queries, to augment the URL interface provided by its companion protocol Search/Retrieve via URL (SRU). Queries in SRU and SRW are expressed using the Contextual Query Language (CQL).

Standards for SRW, SRU, and CQL are promulgated by the United States Library of Congress.

External links

Internet search

Types	Web search engine (List) Metasearch engine Collaborative search engine Human flesh search engine

Tools	Local search Vertical search Search engine marketing Search engine optimization Search oriented architecture Selection-based search Social search Document retrieval Text mining Web crawler Multisearch Federated search Search aggregator Index/Web indexing Focused crawler Spider trap Robots exclusion standard Distributed web crawling Web archiving Website mirroring software Web search query Voice search Natural language search engine Web query classification

Applications	Image search Video search engine Enterprise search Semantic search

Protocols and standards	Z39.50 Search/Retrieve Web Service Search/Retrieve via URL OpenSearch Representational State Transfer Website Parse Template Wide area information server

See also	Search engine Desktop search Online search

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