What is Plagiarism Detector?

1. General Outline:

Plagiarism Detector is a Microsoft Windows (XP, Vista) desktop application to check sets of documents against the following search engines databases:

	Search engine name:	Search engine address:	Wiki page:
	Google	http://www.google.com		[detailed information]
	Yahoo	http://www.yahoo.com		[detailed information]
	AltaVista	http:// www.altavista.com		[detailed information]

... and produces plagiarism detection reports!

Plagiarism Detector's main task is the automated detection of digital plagiarism (that is unauthorized copy-paste of textual material) that originated from the world wide web. It was designed to use the biggest digital publicly open database in the world - that of the search engines.

Putting it short: Plagiarism Detector is a copy-paste killer software.

Unlike the other on-line plagiarism detection solutions Plagiarism Detector is a desktop application that gives it unique features. It can utilize more processing power per client and to send a lot more requests to a search engine. because there exists no strict limit to system resources. Plagiarism Detector heavily exploits CPU power (up to 100% load) during the text comparison and Internet bandwidth usage for massive query generation and external source download. Plagiarism Detector outperforms any other plagiarism checker just because it works more - its text comparison algorithm has no matches.

You can view more information on Plagiarism Detector at our forum thread: [system resources usage].

The following document formats are supported as input:

• Microsoft Word: *.doc, *.docx
• Portable Format Documents: *.pdf
• Rich Text Documents: *.rtf
• Internet pages: *.html, *.htm, *.php etc.
• Microsoft Powerpoint Presentations: *.ppt

To Plagiarism Detector usage is really simple:

The whole of an average document that consists of 3-4 pages takes up to 4-5 minutes. Plagiarism detection reports are generated immediately.

As its output Plagiarism Detector produces HTML and Javascript based Reports. To get more clear view please visit a special page that covers Plagiarism Detector Reports: [Plagiarism Detector Reports].

2. Plagiarism Detection Mechanism:

Plagiarism Detector uses the following algorithm to effectively detect plagiarism:

	Step description:		Example:
	1. The input Document is analyzed and all text data harvested.
			Example input text ("Johnny Mnemonic" by William Gibson):
			I put the shotgun in an Adidas bag and padded it out with four pairs of tennis socks, not my style at all, but that was what I was aiming for: If they think you're crude, go technical; if they think you're technical, go crude.
	2. According to the selected plagiarism check preset, (with check step = 4 words and check length 4words ) the text is split into a series of "query strings" (marked in red).
			I put the shotgun in an Adidas bag and padded it out with four pairs of tennis socks, not my style at all, but that was what I was aiming for: If they think you're crude, go technical; if they think you're technical, go crude.
	3. The list of all "query strings" is formed by Plagiarism Detector:		I put the shotgun and padded it out tennis socks, not my that was what I they think you're crude think you're technical, go
	4. Every string in the "query strings" list is being fed to Google, Yahoo or AltaVista. Plagiarism Detector waits for the search engine result:		"I put the shotgun" search produces the following results:
	5. At this point Plagiarism Detector harvests all the sources that were reported by the search engine as possible sources for the searched strings.
	The following possible sources of Plagiarism are detected:		unjobs.org/authors/william-gibson project.cyberpunk.ru/lib/johnny_mnemonic/ www.amazon.de/Flute-Stylings-J-Schrader/dp/0006480438
	6. Every source detected is then downloaded by Plagiarism Detector for further investigation:
	a) unjobs.org/authors/william-gibson Downloaded text:		... Southern Campaign American Revolution Pension Statements Pension This Certifies that William Gibson to the best of my recollection enlisted about ... and I believe he the said William Gibson Behaved himself as a faithful Soldier ... http://southerncampaign.org/pen/s38728.pdf Microsoft Word - KUZEOFJAEGCQ attempted a rereading of William Gibson's Neuromancer, arguably the ... kind of immortality he attains is nightmarish" (William Gibson 71) ... http://www.ibas.re.kr/journal/pdf/ 14%C8%A3-Kihan%20Lee.pdf William Gibson To Appear In Second Life (News, Information Week) William Gibson, whose 1984 novel Neuromancer was a bible for Internet pioneers, ... we're planning a range of William Gibson activities in Second Life; we're ... http://sl-virtual-world-news.com/index2.php?option=com_conte...
	b) project.cyberpunk.ru/lib/johnny_mnemonic/ Downloaded text:		Johnny MnemonicWilliam Gibson I put the shotgun in an Adidas bag and padded it out with four pairs of tennis socks, not my style at all, but that was what I was aiming for: If they think you're crude, go technical; if they think you're technical, go crude. I'm a very technical boy. So I decided to get as crude as possible. These days, thought, you have to be pretty technical before you can even aspire to crudeness. I'd had to turn both those twelve-gauge shells from brass stock, on the lathe, and then load then myself; I'd had to dig up an old microfiche with instructions for hand- loading cartidges; I'd had to build a lever-action press to seat the primers -all very tricky. But I knew they'd work.
	c) www.amazon.de/Flute-Stylings-J-Schrader/dp/0006480438 Downloaded text:		Flute Stylings (Taschenbuch) von J. Schrader (Herausgeber) "i put the shotgun in an Adidas bag and padded it out with four pairs of tennis socks, not my style at all, but that..." (mehr) 29 Rezensionen 5 Sterne: 65% (19) 4 Sterne: 20% (6) 3 Sterne: 6% (2) 2 Sterne: 3% (1) 1 Sterne: 3% (1) Alle 29 Kundenreze nsionen ansehen 4.4 von 5 Sternen Alle Rezensionen anzeigen (29 Kundenrezensionen) UK-Preisempfehlung* ?7.99 Preis: EUR 10,99 Kostenlose Lieferung. Siehe Details. * Unverb. Preisempfehlung Auf Lager. Verkauf und Versand durch Amazon.de. Geschenkverpackung verfugbar. Zustellung durch
	7. Plagiarism Detector uses matrix based word-by-word comparison analysis to detect similar text fragments. As a result of the comparison of every downloaded source and the original text Plagiarism Detector produces a special Plagiarism Matrix, so called "Plagi- Matrix".
	Plagiarism Matrix is a Matrix made of small squares of different color. Every square is a single word that may have one of the following colors: red - plagiarism green - original yellow - linked blue - quoted You can find more information about Plagiarism Matrix structure and methods of analysis at the [Plagiarism Detector Reports] page. Plagiarism Matrix is generated in realtime, so you may observe plagiarism detection process in real time.		Sample Plagiarism Matrix:
	8. Finally, all Matrixes are projected onto the final Plagiarism Matrix that is included into the final plagiarism detection report. As soon as plagiarism check is completed the report is being generated that contains the statistical analysis data that is defined by the final Plagiarism Matrix. Putting it in a simple way - the number of red squares (words identical in some source and the original document) is treated as Plagiarism and it's percent is displayed as final result.