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J. Aguirre (2004): Plagiarism in Palaeontology. A new threat within the scientific community. In PDF, Revista Española de Micropaleontología.

! S.M. Alzahrani et al. (2012): Understanding plagiarism linguistic patterns, textual features, and detection methods. In PDF.

Article Checker. Check articles and websites for duplication.

Jonathan Bailey (The Blog Herald, Splashpress Media): How to Detect Plagiarism and Content Theft.

Thomas Bigler: Plagiatsuche mit Google (in German).
Snapshot provided by the Internet Archive´s Wayback Machine.

Louis A. Bloomfield, University of Virginia, Charlottesville: Plagiarism Resource Site Home Page. Go to:
Software to detect plagiarism: WCopyfind. Versions archived by Internet Archive Wayback Machine.

Jens Brandt (2010), Institut für Betriebssystem und Rechnerverbund, Technische Universität Braunschweig: Plagiatsuche für Open Access. PDF file, in German. See also
! Open Access Plagiarism Search (OAPS).
These expired links are now available through the Internet Archive´s Wayback Machine.

Institut für angewandte Lerntechnologie (IFALT) Braunschweig: Docoloc (in German).

CaNexus.com: EVE Plagiarism Detection System. With costs. EVE2 is a very powerful tool that allows to determine if writers have plagiarized material from the World Wide Web.

Mia Carter (2008): How to Use Google Alerts to Detect Plagiarism. Snapshot taken by the Internet Archive´s Wayback Machine.

! Bryan Collins, Become a Writer Today:
What is The Best Plagiarism Checker? A Detailed Guide

! Copyscape. Quick plagiarism searches! Copyscape provides a free plagiarism checker for finding copies of your web pages online, as well as two more powerful professional solutions (with costs) for preventing content theft and content fraud.

S.E. Eaton et al. (2017): Plagiarism: Moving from punitive to pro-active approaches. In PDF, PRISM: University of Calgary Digital Repository.

Ephorus B.V., Utrecht, The Netherlands. The Ephorus search engine compares a document to millions of others on the Internet. Free trial.

P.I. Fusch et al. (2017): The Ethical Implications of Plagiarism and Ghostwriting in an Open Society. In PDF, Journal of Social Change, 9: 55–63.

R. Goddard and R. Rudzki (2005): Using an electronic text-matching tool (Turnitin) to detect plagiarism in a New Zealand university.

! Google Alerts. Google Alerts are email updates of the latest relevant Google results (web, news, etc.) based on your choice of query or topic.

! Google, Google books and Google Scholar. Helpful tools for plagiarism search.

R. Gozalo-Brizuela and E.C. Garrido-Merchan (2023): ChatGPT is not all you need. A State of the Art Review of large Generative AI models. Open access, arXiv:2301.04655
"...During the last two years there has been a plethora of large generative models such as ChatGPT or Stable Diffusion that have been published. Concretely, these models are able to perform tasks such as being a general question and answering system or automatically creating artistic images that are revolutionizing several sectors. ..."

GrammarChecker.net. Check grammar, spelling, & punctuation error. Go to:
! Plagiarism Checker.

Grammarly:
This is an automated proofreader and plagiarism checker.

Grammica.
Checking grammar, spelling and punctuation errors. Including duplicate content check with a plagiarism checker.

! Guru99:
10+ Best FREE Plagiarism Checker Software (2021 Reviews).

! M. Hagen et al. (2015): Source retrieval for plagiarism detection from large web corpora: recent approaches. In PDF, Working Notes Papers of the CLEF.

Universitätsbibliothek Heidelberg, Germany: Detecting plagiarism.

iThenticate. iThenticate offers: plagiarism/duplication detection, IP protection, and document-to-document comparison.

! Indigo Stream Technologies: Copyscape Premium. With costs. This is an online service that allows users to check whether their text content appears on other web pages. See also here.

Robert Kaehr (2006), Technology Learning Council, Huntington University, Huntington, Indiana: Plagiarism Help. Website saved by the Internet Archive´s Wayback Machine.

! Hellmuth Karasek, der Spiegel: Der Ehrabschreiber. About plagiarism in German literature (in German).

! Brian Klug, University of Maryland: The Plagiarism Checker. This free plagiarism detector will find plagiarized text in homework and other essays/reports.

! A. Kumar (2020): The Role of AI in Checking Plagiarized Text. Learn Hub.

Lindsay Liedke, WebsiteHostingRating.com:
Plagiarism Resources. This is an introduction to plagiarism, especially for students and teachers. Worth checking out: "10 types of plagiarism".

V. LoCastro and M. Masuko (2002): Plagiarism and academic writing of learners of English. In PDF, HERMES - Journal of Language and Communication in Business, 28. See also here.

! R. Lukashenko et al. (2007): Computer-Based Plagiarism Detection Methods and Tools: An Overview. In PDF, Proceeding CompSysTech '07 Proceedings of the 2007 international conference on Computer systems and technologies.
See also here.

Jamie McKenzie, The Educational Technology Journal: The New Plagiarism. "Seven antidotes to prevent highway robbery in an electronic age".

! Maryville University, St. Louis, MO: College Guide to Preventing Plagiarism. The guide offers information and resources on identifying and preventing all forms of plagiarism, including a collection of Plagiarism Detection Tools.

Christopher Paul Martin, eHow: How to Check My Paper for Plagiarism for Free.

Donald L. McCabe, Rutgers University: Cheating among college and university students: A North American perspective. In PDF.

! Meuschke (2021): Analyzing non-textual content elements to detect academic plagiarism. In PDF, Thesis, Department of Computer and Information Science, Kontstanz, Germany.
See likewise here (Google books).

M. Mozgovoy et al. (2010): Automatic Student Plagiarism Detection: Future Perspectives. In PDF, Journal of Educational Computing Research.
See likewise here.

Information and Computer Science (ICS), Faculty of Computing and Engineering, University of Ulster at Jordanstown, Newtownabbey: Plagiarism Prevention and Detection. A link list. Website saved by the Internet Archive´s Wayback Machine.

L.F. Noe and D.J. Batten (2006): "Publish or perish": the pitfalls of duplicate publication. In PDF, Palaeontology, 49: 1365-1367.

! C. Pappas, eLearning Industry: Top 10 Free Plagiarism Detection Tools.

C. Park (2003): In other (people´s) words: Plagiarism by university students - literature and lessons. In PDF, Assessment & Evaluation in Higher Education.

! Plagiarism Checker X 2021.
Plagiarism Checker X 2021 helps checking plagiarism in research papers, blogs, etc. With higher speed and accuracy, you can easily check your text similarity in just a few seconds.

Plagiarism Checker.
Plagiarism Checker, a plagiarism detector and remover tool, uses AI (artificial intelligence) deep check to find duplicate content from the text.

PlagiarismCheck.org (1 Cobden Court, Wimpole Close, Bromley, Kent, UK). 1 page free!

Plagiarism.org (by Turnitin, LLC). The mission of Plagiarism.org is to help people all over the world prevent plagiarism and restore integrity to written work. See especially:
! What is Plagiarism?

! PlagiarismToday: How to Find Plagiarism. Including a link list to Copyscape,Plagium, Google Alerts, FairSare, Digital Fingerprint Plugin, Tineye and FeedBurner.

PlagiarismChecker.com (Darren Hom). PlagiarismChecker.com allows you to search for several phrases from a paper at the same time without having to type quotation marks or special operators, which most search engines require if you are trying to look for exact copies of a writing. This site automatically adds the quotation marks and special operators for you.

! Plagium (by Septet Systems Inc.). Plagium is free of charge and based on Yahoo.

Plagscan (in German).

! PlagTracker.com. A new free-to-use plagiarism checker.
Reviews in Educational Freeware: PlagTracker.com - A Free Online Plagiarism Detector.
Free Technology For Teachers: Plag Tracker - Check Your Papers for Possible Plagiarism.

! B. Predan-Hallabrin, Chip:
Plagiate online prüfen - Diese Tools gibt es. In German.

Purdue University Global: Plagiarism and Paraphrasing. Information on how to provide proper citations and credibility in academic writing.

Online Writing Lab (OWL), Purdue University: Overview and Contradictions. This resource offers advice on how to avoid plagiarism in your work.

J. Rudolph et al. (2023): ChatGPT: Bullshit spewer or the end of traditional assessments in higher education? Free access, Journal of Applied Learning & Teaching, 6.

Jace Shoemaker-Galloway (2008): Free Online Plagiarism Busters. Detect cheating with no-cost internet tools. Website saved by the Internet Archive´s Wayback Machine.

! B.P. Singh et al. (2015): Start on PDF page 238: Plagiarism Detection Service: Its Benefits and Challenges for Academicians and Researchers. In PDF, published by National Law University, Delhi.

SkyLine Inc.: Plagiarism Detector. A plagiarism detection software to effectively find, trace and estimate the degree of plagiarism in any textual document. Free demo!

J. Sowell (2018): Beyond the Plagiarism Checker: Helping Nonnative English Speakers (NNESs) Avoid Plagiarism. In PDF, English teaching forum. See also here.

T. Susnjak (2020): ChatGPT: The end of online exam integrity? In PDF, arXiv preprint, arXiv:2212.09292.
See also here.

Allena Tapia, About.com: Plagiarism Checker.

Taz.de (a German newspaper):
Turnitin? Docoloc? Google! (by Burkhard Schröder, February 18, 2011; in German).

Teachsam.de: Plagiate aufdecken (in German). Snapshot taken by the Internet Archive´s Wayback Machine.

! TinEye. This is a reverse image search engine. It finds out where an image came from, how it is being used, if modified versions of the image exist, or if there is a higher resolution version.

! Top Ten Reviews: The Best Online Grammar Check Websites. See also: The Best Plagiarism Checker of 2015.
This expired link is now available through the Internet Archive´s Wayback Machine.

Richa Tripathi and S. Kumar (2009): Plagiarism: A Plague. In PDF.

Turnitin. Turnitin Originality Checking. With costs. See also:
www.plagiarism.org.

University Library, University of Illinois at Urbana-Champaign, Urbana, I: Preventing and Detecting Plagiarism.
Now recovered from the Internet Archive´s Wayback Machine.

Rajeev Vij et al. (2009): Encouraging Academic Honesty through Anti-plagiarism Software. In PDF. Website saved by the Internet Archive´s Wayback Machine.

! Debora Weber-Wulff, HTW Berlin: Portal Plagiarism. This site was set up in order to collect information about the topic of plagiarism, primarily in German for a German-speaking audience. Go to: Software. An overview (in German) shows the results of the tests 2010.

Debora Weber-Wulff, HTW Berlin: On the Utility of Plagiarism Detection Software. Presented at the 3rd International Plagiarism Conference in Newcastle, England, June 2008. Submitted for publication with updated results February 2009.

Welt Online (a German newapaper): Google schlägt bei Plagiat-Suche Spezial-Software (by Christof Kerkmann, February 16, 2011; in German).

! Wikipedia, the free encyclopedia:
! Plagiarism.
! Plagiarism detection.
See also the German Wikipedia:
Plagiat (in German).
Plagiatsnachweis-Software (in German).

Wikipedia, the free encyclopedia:
ChatGPT.
ChatGPT (in German).