There is no suggestion that unpublished manuscripts are saved. In fact, doing that would simply muddy the waters; what is sought is whether the manuscript duplicates *published* text.
On 2011-10-07, at 8:09, Ted Pedersen wrote:
> To be very clear, the plagiarism checks that I run on safeassign do
> not add papers to anything. They are checked against material that is
> available on the public web. I have the option of retaining them in an
> institutional (UMN) database for comparison with other UMN
> submissions, but I do not do that. Students who submit papers can
> opt-in to have their papers added to a database, but that's not what
> I'm doing.
> By now most plagiarism detection services are aware of concerns about
> copyright, etc. and it's very possible to use them without adding
> content where someone doesn't want it added. Of course this should be
> verified, but it's a mistake to assume that all materials submitted to
> these services are then copied and stored and made available to
> Anyway, I think it's very reasonable to use these services for
> reviewing (and classroom use) and do so in a responsible way. They are
> in fact an example of NLP in action, which I think is nice to see.
:::: Graeme Hirst
:::: University of Toronto * Department of Computer Science