During my PhD, this was still a research subject (automatic extraction of
data from physical structure of a document).
Have a look at http://www.loria.fr/equipes/read/
I don't know whether there have been free or proprietary systems since then.
When the layout of your documents is a regular one, some rather simple
process may be useful, but if it varies too much, it is a much more
complicated task!
--
François PARMENTIER / INIST-CNRS
On Sun, Dec 14, 2008 at 12:52 AM, Andrew Marlow <
marlow.and...@googlemail.com> wrote:
> This may seem like a crazy or naive question, but is there any standard
> laid down by publishers or societies that authors must adhere to so that the
> extraction of metadata from articles can be easily automated? Having just
> performed a text extraction on a non-searchable PDF I see that there is no
> easy way to get any metadata out. But if a society had conventions for the
> layour of the article, specifying location and format of title, authors,
> abstract, bibliography etc, then it might be possible. I have seen a very
> regular visual layout in the PDFs from some places. Using OCR techniques it
> might be possible to locate blocks of interest. It might also be possible
> from a text extraction but that might be harder since all visual layout
> information is gone (at least it was with the tool I used). I wonder if this
> is being considered by anyone. I am very new to this area so please excuse
> me if this seems like a silly question.
> --
> Regards,
>
> Andrew M.
>
>
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