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Turnitin (stylized as turnitin) is an Internet-based similarity detection service run by the American company Turnitin, LLC, a subsidiary of Advance Publications. Founded in 1998, it sells its licenses to universities and high schools who then use the software as a service (SaaS) website to check submitted documents against its database and the ...
Turnitin checks and archives millions of papers and uses its database and algorithms to identify plagiarized material. [1]Submissions are compared to over 17 billion web pages, 200 million student papers, and over 100 million additional articles from content publishers, including library databases, text-books, digital reference collections, subscription-based publications, homework helper ...
Plagiarism detection or content similarity detection is the process of locating instances of plagiarism or copyright infringement within a work or document. The widespread use of computers and the advent of the Internet have made it easier to plagiarize the work of others. [1] [2] Detection of plagiarism can be undertaken in a variety of ways.
(Plagiarism does not mean copyright violation, but it's the best starting point for an investigation). Their algorithm would be tweaked to ignore Wikipedia mirrors and other sites with copyright licenses compatible for use on the encyclopedia. At off-peak hours for Turnitin, they could run full reports of every single article on English Wikipedia.
Turnitin's web index is also very large, up to 20 billion articles. Turnitin has devoted thousands of hours and hundreds of employees to developing their system, expanding it, and refining it--a process that free alternatives simply can't invest in.
Turnitin does not use keyword matching but rather 'digital fingerprinting'. Turnitin can detect close paraphrasing! by analyzing text for mere word substitutions or added sentences; Turnitin can exclude quotations and bibliography sections; Turnitin views their system not as a copyright/plagiarism detection tool but as an 'editorial supplement'
The size of a screen is usually described by the length of its diagonal, which is the distance between opposite corners, typically measured in inches. It is also sometimes called the physical image size to distinguish it from the "logical image size," which describes a screen's display resolution and is measured in pixels. [1] [2]
The Turnitin trial, should it be approved by the community will have certain questions it seeks to answer: Does Turnitin's system effectively screen out false positives created by Wikipedia mirrors or sites that legitimately reuse our content under a compatible license? Can Turnitin's system work on old as well as new articles?