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organization. Text-matching software (TMS), which is also referred to as "plagiarism detection software" or "anti-plagiarism" software, has become widely available, in the form of both commercially available products as well as open-source software. TMS does not actually detect plagiarism per se, but instead finds specific passages of text in one document that match text in another document.
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search engine results. Ways of doing this include having a rel=canonical tag on the syndicated page that points back to the original, NoIndexing the syndicated copy, or putting a link in the syndicated copy that leads back to the original article. If none of these solutions are implemented, the syndicated copy could be treated as the original and gain the benefits.
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Non-malicious duplicate content may include variations of the same page, such as versions optimized for normal HTML, mobile devices, or printer-friendliness, or store items that can be shown via multiple distinct URLs. Duplicate content issues can also arise when a site is accessible under multiple
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There may be similar content between different web pages in the form of similar product content. This is usually noticed in e-commerce websites, where the usage of similar keywords for similar categories of products leads to this form of non-malicious duplicate content. This is often the case when
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Syndicated content is a popular form of duplicated content. If a site syndicates content from other sites, it is generally considered important to make sure that search engines can tell which version of the content is the original so that the original can get the benefits of more exposure through
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Detection of plagiarism can be undertaken in a variety of ways. Human detection is the most traditional form of identifying plagiarism from written work. This can be a lengthy and time-consuming task for the reader and can also result in inconsistencies in how plagiarism is identified within an
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that appears on more than one web page. The duplicate content can be substantial parts of the content within or across domains and can be either exactly duplicate or closely similar. When multiple pages contain essentially the same content,
73:(URL-based) parameters exist, of which only a small selection will actually return unique content. For example, a simple online photo gallery may offer three options to users, as specified through
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size, two file formats, and an option to disable user-provided content, then the same set of content can be accessed with 48 different URLs, all of which may be linked on the site. This
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The number of possible URLs crawled being generated by server-side software has also made it difficult for web crawlers to avoid retrieving duplicate content. Endless combinations of
101:. There is a number of tools available to verify the uniqueness of the content. In certain cases, search engines penalize websites' and individual offending pages' rankings in the
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subdomains, such as with or without the "www." or where sites fail to handle the trailing slash of URLs correctly. Another common source of non-malicious duplicate content is
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redirect (301 Moved
Permanently) is a method of dealing with duplicate content to redirect users and search engine crawlers to the single pertinent version of the content.
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Malicious duplicate content refers to content that is intentionally duplicated in an effort to manipulate search results and gain more traffic. This is known as
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creates a problem for crawlers, as they must sort through endless combinations of relatively minor scripted changes in order to retrieve unique content.
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Get the content removed on the copier's site by contacting the owner of the duplicated content and requesting them to remove the copied content.
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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.
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new iterations and versions of products are released, but the seller or the e-commerce website mods do not the whole product descriptions.
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Bretag, T., & Mahmud, S. (2009). A model for determining student plagiarism: Electronic detection and academic judgement.
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Macdonald, R., & Carroll, J. (2006). Plagiarism—a complex issue requiring a holistic institutional approach.
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If the content has been copied, there are multiple resolutions available to both parties.
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GET parameters in the URL. If there exist four ways to sort images, three choices of
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or cease displaying the copying site in any relevant search results.
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Rewrite the content to make the site's content unique again.
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Journal of
University Teaching & Learning Practice, 6
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Pages displaying short descriptions of redirect targets
436:"Have Duplicate Content? It Can Kill Your Rankings"
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Assessment & Evaluation in Higher
Education, 31
105:(SERPs) for duplicate content considered “spammy.”
358:"Plagiarism, prevention, deterrence and detection"
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268:"Duplicate Content: Causation and Significance"
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319:Avoid Penalized By Google On Duplicate Content
198: – Process by which URIs are standardized
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356:Culwin, Fintan; Lancaster, Thomas (2001).
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294:"Syndicated Content: Why, When & How"
332:"6 Free Duplicate Content Checker Tools"
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157:to send a takedown notice to the copier.
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248:"Duplicate content - Duplicate Content"
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404:http://ro.uow.edu.au/jutlp/vol6/iss1/6
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292:Enge, Eric (April 28, 2014).
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383:The Higher Education Academy
330:Ahmad, Bilal (20 May 2011).
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116:Content similarity detection
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109:Detecting duplicate content
103:search engine results pages
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468:Search engine optimization
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21:search engine optimization
424:10.1080/02602930500262536
272:Effective Business Growth
186: – Type of hyperlink
122:Plagiarism detection or
83:mathematical combination
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184:Canonical link element
132:copyright infringement
402:(1). Retrieved from
227:"Duplicate content"
300:. Third Door Media
298:Search Engine Land
190:Data deduplication
196:URL normalization
17:Duplicate content
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442:. OrangeFox
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378:2022-11-11
253:2011-12-19
233:2016-01-07
206:References
128:plagiarism
60:pagination
362:CiteSeerX
93:Malicious
79:thumbnail
462:Category
446:27 March
304:June 25,
172:See also
166:HTTP 301
155:attorney
153:Hire an
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42:penalize
32:such as
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341:15 May
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34:Google
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