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Is URLChecker a URL blocking software?
What does URLChecker do?
How is URLChecker more accurate than other systems?
Will URLChecker block non-porn websites?
Will URLChecker categorize porn websites as non-porn?
Does URLChecker require specialized hardware?
 
 
Is URLChecker a URL blocking software?
URLChecker is not a URL blocking software but a system that for making URL blocking software more accurate. URLChecker is an offline automated URL classifier. “Offline” means that URLChecker does not work in real time and so does not pose performance problems in terms of Internet access.
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What does URLChecker do?
Conventional URL blocking software relies on a list of URLs to block access. This list needs to be constantly updated to ensure that new sites containing pornographic material are blocked. The problems with keeping the list up-to-date are locating new websites and ii) checking whether they are pornographic or not.

The first problem is handled by storing all URLs being accessed from within the community being protected. The majority of URLs accessed will not be new and are easily identified through comparison with the list of previously accessed URLs. The second problem is solved by URLChecker which automatically classifies URLs as being pornographic or not. URLChecker improves productivity in maintaining lists of pornographic URLs by over 1,000%.

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How is URLChecker more accurate than other systems?
URLChecker uses a number of techniques such as image processing, neural networks, domain specific rules, text processing, drill down, back tracking and rating systems to determine whether the website associated with the URL is pornographic or not. Most conventional systems use only text processing and rating systems.
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Will URLChecker block non-porn websites?
This is very unlikely because URLChecker is designed to be conservative in classifying sites as porn.
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Will URLChecker categorize porn websites as non-porn?
URLChecker is accurate at the 99.9% level in determining which website is porn. Websites containing only a few features indicative of pornography are categorized as suspect and are reviewed manually.
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Does URLChecker require specialized hardware?
The URLChecker system does not need to be installed and operated on specialized hardware. URLChecker will be able to work on most modern PCs running Microsoft Windows XP.
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