Re: features/tokens

Bill Yerazunis wrote:
>    is there any way to see the features and/or tokens that are stored in the
>    .cfc-files?
> 
> If you mean the text strings that went into creating
> those features and tokens, no, and intentionally not.
> 
> Because those tokens would represent snippets of plaintext
> of your email, they represent a significant disclosure risk.

Which reminds me about a thought that I've been mulling for a while.

As (in the case of email) the corpus is basically the same for every participant
(we are talking about 90% of it being almost identical spam messages, right?),
anyone can collect a dictionary of textstrings -> features. As there is only so
much textstrings, this will be a fairly complete list. Then, translating
anyone's tokens back into text is trivial, even if the hash function was
irreversible.

Does is impose privacy issues? Am I missing something?

Eugene

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