{{Short description|Former citation index}} '''Citebase Search''' was an experimental, semi-autonomous citation index for free, online research literature created at the University of Southampton as part of the Open Citation Project.<ref name=":0">{{Cite thesis|title=Evaluating Research Impact through Open Access to Scholarly Communication|url=https://eprints.soton.ac.uk/263313/|publisher=University of Southampton|date=2006|degree=phd|language=en|first=Timothy|last=Brody}}</ref><ref>{{cite web|url=http://iplus.ukoln.ac.uk/technology/citebase|title=Citebase|website=iplus.ukoln.ac.uk|archive-url=https://archive.today/20130706204510/http://iplus.ukoln.ac.uk/technology/citebase|archive-date=2013-07-06|access-date=2013-04-05}}</ref><ref name=":2">{{Cite journal|last=Shotton|first=David|date=2013-10-17|title=Publishing: Open citations|journal=Nature News|language=en|volume=502|issue=7471|pages=295–297|doi=10.1038/502295a|pmid=24137832|doi-access=free}}</ref> It harvested open access e-prints (most author self-archived) from OAI-PMH compliant archives, parses and links their references and indexes the metadata in a Xapian-based search engine.<ref>{{Cite journal|last=Harnad|first=Stevan|date=2008-11-14|title=Open access scientometrics and the UK Research Assessment Exercise|url=https://akademiai.com/doi/abs/10.1007/s11192-009-0409-z|journal=Scientometrics|volume=79|issue=1|pages=147–156|doi=10.1007/s11192-009-0409-z|issn=0138-9130|arxiv=cs/0703131|s2cid=3183215}}</ref> Citebase went live in 2005<ref name=":0" /> and ceased operation in 2013.<ref name=":2" /><ref>{{Cite web|url=http://www.citebase.org/|title=Archive of 2013 citebase home page|archive-url=https://web.archive.org/web/20130115030057/http://www.citebase.org/|access-date=2019-06-07|archive-date=2013-01-15}}</ref>

More than three-quarters of the papers indexed were author self-archived in the ArXiv archive, which includes physics, maths and computer science.<ref name=":1" /> Some (published) biomedical papers were indexed from BioMed Central and PubMed Central.<ref name=":1">{{Cite web|url=http://opcit.eprints.org/evaluation/Citebase-evaluation/evaluation-report.html|title=Citebase Evaluation Report: Full Official Version: OpCit |author=Steve Hitchcock |author2=Arouna Woukeu |author3=Tim Brody |author4=Les Carr |author5=Wendy Hall |author6=Stevan Harnad|date=2003|website=opcit.eprints.org}}</ref>

==See also== *EPrints *Citeseer *NASA ADS *Stanford Physics Information Retrieval System

==References== {{reflist}}

==External links== *[https://web.archive.org/web/20121029120924/http://www.citebase.org/ Archive of last available version of citebase home page (December 2012)]

Category:Internet search engines Category:Bibliographic databases and indexes Category:Scholarly search services