SRU Open Source Client Charles Duncan and Peter Douglas Intrallect Ltd [email_address] [email_address]

Overview Background Technology overview Potential uses Demonstrations

Background

Technology overview

Potential uses

Demonstrations

Background Developed in JISC CD-LOR (Community Dimensions of Learning Object Repositories) CD-LOR Use Case A tutor goes to a web site to learn more about a repository’s contents by searching it based on keywords. The tutor is impressed enough to register for a login to the repository.

Developed in JISC CD-LOR (Community Dimensions of Learning Object Repositories)

CD-LOR Use Case

A tutor goes to a web site to learn more about a repository’s contents by searching it based on keywords. The tutor is impressed enough to register for a login to the repository.

SRU SRU = Search/Retrieve via URL Standard managed by US Library of Congress www.loc.gov/standards/sru Partner to SRW (Search and Retrieve Web Service) Emerged from ZING (Z39.50 International Next Generation) Uses Common Query Language (CQL)

SRU = Search/Retrieve via URL

Standard managed by US Library of Congress

www.loc.gov/standards/sru

Partner to SRW (Search and Retrieve Web Service)

Emerged from ZING (Z39.50 International Next Generation)

Uses Common Query Language (CQL)

CQL Examples dinosaur "complete dinosaur“ title = "complete dinosaur” title exact "the complete dinosaur“ dinosaur or bird dinosaur and "ice age“ dinosaur not reptile dinosaur and bird or dinobird (bird or dinosaur) and (feathers or scales)

dinosaur

"complete dinosaur“

title = "complete dinosaur”

title exact "the complete dinosaur“

dinosaur or bird

dinosaur and "ice age“

dinosaur not reptile

dinosaur and bird or dinobird

(bird or dinosaur) and (feathers or scales)

SRU Examples http://localhost:8080/intralibrary/IntraLibrary-SRU/?version=1.1&operation=explain http://z3950.loc.gov:7090/voyager?version=1.1&operation= searchRetrieve&query =dinosaur http://z3950.intute.ac.uk:210/socialsciences?version=1.1&operation=searchRetrieve&query=resilience

http://localhost:8080/intralibrary/IntraLibrary-SRU/?version=1.1&operation=explain

http://z3950.loc.gov:7090/voyager?version=1.1&operation= searchRetrieve&query =dinosaur

http://z3950.intute.ac.uk:210/socialsciences?version=1.1&operation=searchRetrieve&query=resilience

Multi-use Repository Scanned material eLearning ePrints Images “ Open Access” Portal RAE team Library CLA copy reports Library catalogue “ Collection” Portal VLE Wikis, Blogs, Web sites RAE outputs

Basics Scanned material eLearning ePrints Images “ Open Access” Portal RAE outputs “ Collection” Portal object delivery search query matching metadata object request

Details Build query on web page Identify SRU target Combine target and query as URL Submit query by HTTP-GET Identify XSL transform for results SRU Client HTML page with GET form object delivery search query matching metadata object request Results Page HTML page style by CSS Object View

Details - 2 Display results Transform to XHTML using XSL Return matching metadata as XML Apply style from CSS SRU Client HTML page with GET form object delivery search query matching metadata object request Results Page HTML page style by CSS Object View

Details - 3 Display title as link Click to request view of object Use object location (URL) as link SRU Client HTML page with GET form object delivery search query matching metadata object request Results Page HTML page style by CSS Object View

Details - 4 Open window with view of unique URL SRU Client HTML page with GET form object delivery search query matching metadata object request Results Page HTML page style by CSS Object View

Limitations of this tool Unqualified Dublin Core Single repository search per GET request Browser security requires XSL to be in same domain as repository

Unqualified Dublin Core

Single repository search per GET request

Browser security requires XSL to be in same domain as repository

Potential Uses Preview Allow unregistered users to search but do not display links thus showing metadata but hiding content Open Access Portal Allow search and retrieve of objects such as research outputs in a specific collection (while not allowing access to other collections) Alternative User Interface Build a new search and browse interface for a repository Generic SRU Portal Create a list of potential SRU-accessible repositories and use the tool as a single point of contact to search any of them …

Preview

Allow unregistered users to search but do not display links thus showing metadata but hiding content

Open Access Portal

Allow search and retrieve of objects such as research outputs in a specific collection (while not allowing access to other collections)

Alternative User Interface

Build a new search and browse interface for a repository

Generic SRU Portal

Create a list of potential SRU-accessible repositories and use the tool as a single point of contact to search any of them

…

Useful References SRU www.loc.gov/standards/sru IntraLibrary SRU location http://<intraLibrary-root>/IntraLibrary-SRU CD-LOR http://academy.gcal.ac.uk/cd-lor/ SRU tool available to download from http://sruclient.sourceforge.net/

SRU

www.loc.gov/standards/sru

IntraLibrary SRU location

http://<intraLibrary-root>/IntraLibrary-SRU

CD-LOR

http://academy.gcal.ac.uk/cd-lor/

SRU tool available to download from http://sruclient.sourceforge.net/

Demonstrations