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I have a requirement like this,

I have a web application, the workers will update the content , each one will be having their own account. We make groups in workers, we will assign same task to each group.

Say group 1 will update first , and explained the concept in the portal Now all other groups are free to see the content, but we are expecting some other nice content from other groups. So others has to update their content.

We want to avoid copy paste things , one thing is we don't want to disable copy paste, but what we planning to do is , monitor the copy paste stuff. Like if some one copy the content from some others page , we should come to know from where the content is copies, from which line/which page. If we are able to catch it, then we planning to give negative rating for that content.

Is there a way to hash each line and when copy operation is done, store a hidden hash value with the content , and map it to find from where it is copied

Or any other way to handle it ?

Thanks & Regards, Sadanand.

John Carter
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    I suggest reading up on plagiarism detection techniques before you dive into an implementation. – John Carter Jun 10 '12 at 02:39
  • Can you please provide me some links? I will investigate on it, still if you have any useful documents let me know. – Sadanand Jun 10 '12 at 02:57
  • Googling "plagiarism detection techniques" will give you plenty of links to start with. – Terry Jun 10 '12 at 03:54

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