Search/Retrieve via URL

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Search/Retrieve via URL (SRU) is a standard search protocol for Internet search queries, utilizing Contextual Query Language (CQL), a standard query syntax for representing queries.

SRU, along with the related Search/Retrieve via Web (SRW) service, were created by as part of the ZING (Z39.50 International: Next Generation) initiative as successors to the Z39.50 protocol.

Example usage

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Sample code of a complete answer for this SRU Query-URL with URL query version=1.1&operation=searchRetrieve&query=dc.title=Darwinism and CQL query dc.title=Darwinism:

<?xml version="1.0"?>
<sru:searchRetrieveResponsexmlns:sru="https://www.loc.gov/zing/srw/"xmlns:diag="https://www.loc.gov/zing/srw/diagnostic/"xmlns:xcql="https://www.loc.gov/zing/cql/xcql/"xmlns:dc="http://purl.org/dc/elements/1.1/">
<sru:version>1.1</sru:version>
<sru:numberOfRecords>4</sru:numberOfRecords>
<sru:records>
<sru:record>
<sru:recordSchema>info:srw/schema/1/dc-v1.1</sru:recordSchema>
<sru:recordPacking>XML</sru:recordPacking>
<sru:recordData>
<sru:dc>
<sru:title>Darwinism</sru:title>
<sru:creator>Dennett</sru:creator>
<sru:subject>TheruleoftheLocalisabasicprincipleofDarwinism-itcorrespondstotheprinciplethatthereisnoCreator,nointelligentforesight.I262</sru:subject>
</sru:dc>
</sru:recordData>
<sru:recordNumber>1</sru:recordNumber>
</sru:record>
<sru:record>
<sru:recordSchema>info:srw/schema/1/dc-v1.1</sru:recordSchema>
<sru:recordPacking>XML</sru:recordPacking>
<sru:recordData>
<sru:dc>
<sru:title>Darwinism</sru:title>
<sru:creator>McGinn</sru:creator>
<sru:subject>Designargument/WilliamPaley:organismshaveabrilliantdesign:Wehavenotdesignedthem,sowehavetoassumethataforeignintelligencedidit.Letscallthisintelligence"God".SoGodexists.II98
DarwinVsPaley:intelligentdesigndoesnotrequireaCreator.Selectionissufficient.II98
Mind/consciousness/evolution/McGinn:evolutiondoesnotexplainconsciousness!norsensations.II99
Reason:sensationandconsciousnesscannotbeexplainedthroughthemeansofDarwinianprinciplesandphysics,becauseifselectionweretoexplainhowsensationsaresupposedtobecreatedbyit,itmustbepossibletomoldthemindfrommatter.II100
(s)Consciousnessorsensationswouldhavetobevisibleforselection!(SimilarGouldVsDawkins)</sru:subject>
</sru:dc>
</sru:recordData>
<sru:recordNumber>2</sru:recordNumber>
</sru:record>
<sru:record>
<sru:recordSchema>info:srw/schema/1/dc-v1.1</sru:recordSchema>
<sru:recordPacking>XML</sru:recordPacking>
<sru:recordData>
<sru:dc>
<sru:title>Darwinism</sru:title>
<sru:creator>Putnam</sru:creator>
<sru:subject>Rorty:Darwinism/Putnam:hedoesnoitliketheimageofmanasamorecomplicatedanimal(scientisticandreductionistphysicalism).
RortyVI63</sru:subject>
</sru:dc>
</sru:recordData>
<sru:recordNumber>3</sru:recordNumber>
</sru:record>
<sru:record>
<sru:recordSchema>info:srw/schema/1/dc-v1.1</sru:recordSchema>
<sru:recordPacking>XML</sru:recordPacking>
<sru:recordData>
<sru:dc>
<sru:title>Darwinism</sru:title>
<sru:creator>Rorty</sru:creator>
<sru:subject>Darwinism/Rortyprovidesausefulvocabulary."Darwinism":formeisafableabouthumanbeingsasanimalswithspecialskillsandorgans.Buttheseorgansandskillsarejustaslittleinarepresentationalrelationtotheworldastheanteaterssnout.VI69ff
Darwinism/Rorty:itdemandsthatweconsiderourdoingandbeingaspartofthesamecontinuum,whichalsoincludestheexistenceofamoebae,spidersandsquirrels.Onewaytodothatistosaythatourexperienceisjustmorecomplex.VI424</sru:subject>
</sru:dc>
</sru:recordData>
<sru:recordNumber>4</sru:recordNumber>
</sru:record>
</sru:records>
</sru:searchRetrieveResponse>

External links

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v t e Internet search
Types	Web search engine (List) Metasearch engine Multimedia search Collaborative search engine Cross-language search Local search Vertical search Social search Image search Audio search Video search engine Enterprise search Semantic search Natural language search engine Voice search
Tools	Cross-language information retrieval Search by sound Search engine marketing Search engine optimization Evaluation measures Search oriented architecture Selection-based 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 query Web query classification
Protocols and standards	Z39.50 Search/Retrieve Web Service Search/Retrieve via URL OpenSearch Representational State Transfer Wide area information server
See also	Search engine Desktop search Online search

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Example usage

See also

External links