# ETBLAST

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{{short description|Free text-similarity service search engine}}
{{Lowercase title}}
{{COI|date=August 2011}}
'''eTBLAST''' was a free text-similarity service now defunct. It was initially developed by Alexander Pertsemlidis and [Harold “Skip” Garner](/source/Harold_Garner) in 2005 at The [University of Texas Southwestern Medical Center](/source/University_of_Texas_Southwestern_Medical_Centre). It offered access to the following databases: 

* [MEDLINE](/source/MEDLINE)
* [National Institutes of Health](/source/National_Institutes_of_Health) (NIH) 
* [CRISP](/source/Computer_Retrieval_of_Information_on_Scientific_Projects)
* [Institute of Physics](/source/Institute_of_Physics) (IOP)
* [Wikipedia](/source/Wikipedia)
* [arXiv](/source/arXiv)
* [NASA](/source/NASA) technical reports
* [Virginia Tech](/source/Virginia_Tech) class descriptions
* others of clinical interest 

eTBLAST searched citation databases<ref>{{cite journal|last1=Lewis|first1=J|last2=Ossowski|first2=S|last3=Hicks|first3=J|last4=Errami|first4=M|last5=Garner|first5=HR|year=2006|title=Text similarity: An alternative way to search MEDLINE|journal=Bioinformatics|volume=22|issue=18|pages=2298–304|doi=10.1093/bioinformatics/btl388|pmid=16926219|doi-access=free}}</ref> and databases containing full-text such as [PUBMED](/source/PUBMED). It compared a user’s natural-text query with target databases utilizing a hybrid-search algorithm. The algorithm consisted of a low-sensitivity, weighted, keyword-based first pass followed by a novel second pass based on sentence alignment. eTBLAST later became a web-based service of The Innovation Laboratory at the [Virginia Bioinformatics Institute](/source/Virginia_Bioinformatics_Institute).

The text-similarity engine studied duplicate publications and potential plagiarism in biomedical literature. eTBLAST received thousands of random samples of Medline abstracts for a large-scale study. Those with the highest similarity were assessed then entered into an on-line database. The work revealed several trends including an increasing rate of duplication in the biomedical literature, according to prominent scientific journals ''[Bioinformatics](/source/Bioinformatics_(journal))'',<ref>{{cite journal|last1=Errami|first1=M|last2=Hicks|first2=JM|last3=Fisher|first3=W|last4=Trusty|first4=D|last5=Wren|first5=JD|last6=Long|first6=TC|last7=Garner|first7=HR|year=2007|title=Deja vu a study of duplicate citations in Medline|journal=Bioinformatics|volume=24|issue=2|pages=243–9|doi=10.1093/bioinformatics/btm574|pmid=18056062|doi-access=free}}</ref>''[Anaesthesia and Intensive Care](/source/Anaesthesia_and_Intensive_Care)'',<ref>{{cite journal|last1=Loadsman|first1=JA|last2=Garner|first2=HR|last3=Drummond|first3=GB|year=2008|title=Towards the elimination of duplication in ''Anaesthesia and Intensive Care''|url=http://www.aaic.net.au/document/?D=20080552|journal=Anaesthesia and Intensive Care|volume=36|issue=5|pages=643–5|doi=10.1177/0310057X0803600502|pmid=18853580|doi-access=free|url-access=subscription|archive-date=2015-02-16|access-date=2021-03-08|archive-url=https://web.archive.org/web/20150216175602/http://www.aaic.net.au/document/?D=20080552|url-status=dead}}</ref> ''[Clinical Chemistry](/source/Clinical_Chemistry_(journal))'',<ref>{{cite journal|last1=George|first1=AC|last2=Long|first2=TC|last3=Garner|first3=HR|year=2010|title=Quaere Verum|journal=Clinical Chemistry|volume=56|issue=4|pages=673–4|doi=10.1373/clinchem.2009.130468|pmid=20093558|doi-access=free}}</ref> ''[Urologic oncology](/source/Urologic_Oncology)'',<ref>{{cite journal|last1=Garner|first1=HR|year=2011|title=Combating unethical publications with plagiarism detection services|journal=Urologic Oncology|volume=29|issue=1|pages=95–9|doi=10.1016/j.urolonc.2010.09.016|pmc=3035174|pmid=21194644}}</ref> ''[Nature](/source/Nature_(journal))'',<ref>{{cite journal|last1=Errami|first1=M|last2=Garner|first2=H|year=2008|title=A tale of two citations|journal=Nature|volume=451|issue=7177|pages=397–9|bibcode=2008Natur.451..397E|doi=10.1038/451397a|pmid=18216832|s2cid=4358525|doi-access=free}}</ref> and ''[Science](/source/Science_(journal))''.<ref>{{cite journal|last1=Long|first1=TC|last2=Errami|first2=M|last3=George|first3=AC|last4=Sun|first4=Z|last5=Garner|first5=HR|year=2009|title=Responding to Possible Plagiarism|journal=Science|volume=323|issue=5919|pages=1293–4|doi=10.1126/science.1167408|pmid=19265004|s2cid=28467385}}</ref>

==See also==
*[BLAST](/source/BLAST_(biotechnology)) (Basic Local Alignment Search Tool)
*[Natural language processing](/source/Natural_language_processing)
*[Medical literature retrieval](/source/Medical_literature_retrieval)

== References ==
{{reflist|colwidth=30em}}

==External links==
* {{official|url=https://helioblast.heliotext.com/}}

{{Virginia Tech}}
{{DEFAULTSORT:Etblast}}
Category:Virginia Tech
Category:Bioinformatics software
Category:Medical search engines
Category:Natural language processing
Category:Bibliographic databases and indexes
Category:Plagiarism detectors

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Adapted from the Wikipedia article [ETBLAST](https://en.wikipedia.org/wiki/ETBLAST) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/ETBLAST?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.