Puresight - not enough information!

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Puresight - not enough information!

Postby stanwoods » Nov 14 03 10:09 pm

Installed Puresight on 30 day trial. Very little explanation on how it works in "Help" - doesnt give much confidence on what it will do - any additional info welcome please. Especailly the relationship between the slider tabs (whats behind them - criteria) and the manually inserted URL blocking criteria.

Regards

Stan Woods
stanwoods
 
Posts: 16
Joined: Oct 15 03 11:14 am
Location: High Wycombe UK

Re: Puresight - not enough information!

Postby tim » Nov 17 03 1:57 pm

stanwoods wrote:Installed Puresight on 30 day trial. Very little explanation on how it works in "Help" - doesnt give much confidence on what it will do - any additional info welcome please. Especailly the relationship between the slider tabs (whats behind them - criteria) and the manually inserted URL blocking criteria.

Hi, sorry there isn't much info in the manual.

Here is what has just been writen for the manual, and will be in the next version...

==========================

The PureSight for WinGate Content filtering plugin is based on an exceptionally accurate and successful content analysis engine from
iCognito Ltd. (www.icognito.com)

The scanning engine analyses the contents of each web page using iCognito's Artificial Content Recognition (ACR) system and
categorises the web-page according to what it discovered. Based on the analysis, each category is assigned a certain percentage
likelyhood.

For example, when visiting www.qbik.com the assignment might be as follows:

UNKNOWN 100%
SEX 0%
GAMBLING 0%


while for a strip-poker site the assignment might be as follows:

UNKNOWN 25%
SEX 65%
GAMBLING 80%

By adjusting the sliders in the PureSight GUI you adjust the amount of certainty that is required per category before a page will be
deemed as unacceptable. For example, if the confidence level for SEX is set to 75%, the ACR engine must allocate a 75% or GREATER
percentage chance of it being of a sexual nature before the page will be blocked.

As with most non-manual systems however there is a possibility for false positives - or even pages which cannot be categorised.
(Such as Flash based websites) To this effect Qbik added an explicity white and black list to PureSight. This allows you to specify
partial phrases that are matched in the URL.

For example, if you add:

nzherald

to the allow list then all URLs which contains the word "nzherald" will be allowed through. I.e.

www.somegambling.org/nzherald/gamblinginnz.html
www.nzherald.co.nz

and so on. The sequence for evaluation is:

(a) Allow List
(b) Block List
(c) Artifical Content Recognition
tim
Senior Member
 
Posts: 109
Joined: Sep 03 03 2:53 pm

Postby stanwoods » Nov 17 03 10:05 pm

Tim, Many thanks, that is a much better explanation which would go well into the help text.

Regards
Kind regards
Stan Woods
stanwoods
 
Posts: 16
Joined: Oct 15 03 11:14 am
Location: High Wycombe UK


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