Copyscape

Copyscape
Copyscape
Copyscapelogo.png
URL www.copyscape.com
Commercial? Yes
Type of site Plagiarism Search
Registration Optional
Available language(s) Multilingual
Owner Indigo Stream Technologies
Launched June 10, 2004
Alexa rank 1,261 (August 2011)[1]
Revenue From premium services
Current status Active

Copyscape is an online plagiarism detection service that checks whether similar text content appears elsewhere on the web.[2] It was launched in 2004 by Indigo Stream Technologies, Ltd.

Copyscape is used by content owners to detect cases of "content theft", in which content is copied without permission from one site to another.[3] It is also used by content publishers to detect cases of content fraud, in which old content is repackaged and sold as new original content.

Contents

Function

Given the URL or text of the original content, Copyscape returns a list of web pages that contain similar text to all or parts of this content.[4] It also shows the matching text highlighted on the found web page. Copyscape banners can be placed on a web page to warn potential plagiarists not to steal content.

Copyscape also provides two paid services: Copysentry monitors the web and sends notifications by email when new copies are found, and Copyscape Premium verifies the originality of content purchased by online content publishers.

Design and independent evaluation

Copyscape uses the Google Web API to power its searches.[5] Copyscape uses a set of algorithms to identify copied content that has been modified from its original form.

Independent plagiarism software tests[6] conducted by Professor Debora Weber-Wulff of the University of Applied Sciences in Berlin found Copyscape Premium to be the best performing service.[7]

Reported use in plagiarism cases

Copyscape's use has been reported in cases involving online plagiarism:

History

Copyscape was launched in 2004 by Indigo Stream Technologies, Ltd., co-founded in 2003 by Gideon Greenspan.[14]

References

  1. ^ "Copyscape.com Site Info". Alexa Internet. http://www.alexa.com/siteinfo/copyscape.com. Retrieved 2011-08-25. 
  2. ^ Steal this post, Elinor Mills, USA Today (Washington DC), February 8, 2007
  3. ^ Online plagiarism strikes blog world, Maura Welch, Boston Globe, May 8, 2006
  4. ^ Scanning for Scammers Before You Buy In, Karen E. Klein, BusinessWeek (New York), March 3, 2008
  5. ^ Copyright Tool Will Scan Web For Violations, Kevin J. Delaney, The Wall Street Journal (New York), December 18, 2006
  6. ^ Plagiarism Software Test, Prof. Debora Weber-Wulff, 2008 (in German)
  7. ^ Copyscape Tops Plagiarism Checker Testing, Jonathan Bailey, Plagiarism Today, November 4, 2008
  8. ^ 9th Circuit Finds for PI Firm Over Theft of Firm's Web Site Content, Petra Pasternak, The Recorder, August 6, 2009
  9. ^ Brayton Purcell Llp v. Recordon & Recordon, 361 F.Supp.2d 1135 (N.D. Cal., 2005)
  10. ^ Apple accused of copyright wrongs, Paul Festa, CNET News, April 11, 2005
  11. ^ Apple and copyright violations, Arve Bersvendsen, April 6, 2005
  12. ^ Deborah Hill Cone (October 27, 2005). "A new maxim for Maxim — don't plagiarise". National Business Review. http://www.nbr.co.nz/article/a-new-maxim-maxim-dont-plagiarise. Retrieved September 26, 2011. 
  13. ^ Copyscape, Richard Stiennon, ZDNET blog, December 9, 2005
  14. ^ Gideon Greenspan

External links


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