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Is there any software (or pseudo-code) which can automatically scan a piece of text (either pasted into the tool, or read from a .doc/.pdf) and identify citation data using standard formats? The data would then be split up into its constituent fields and exported in XML, CSV, or some other structured data format. I have looked at cb2Bib but it was only able to extract the year from Harvard-style references, which is insufficient.

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Do you want to scan the text itself or just the references section? –  innaM Aug 18 '09 at 9:09
    
Just the references - it'd likely be a document containing personal publications. –  Alistair Knock Aug 19 '09 at 9:07
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7 Answers 7

Try a tool such as Regex Buddy or Expresso.

If you're not a programmer Regular Expressions may be a bit intimidating, but they're really not that hard, especially with a decent tool like one of the above.

Here's an example of someone using Regular Expressions for extracting citations:

Citation parsing regular expression

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Mendeley should be able to do this. It can import PDFs and then export the metadata to BibTeX, RIS and EndNote XML. It is free to download and is cross-platform.

Edit: I tested this on a few documents. The PDF import does seem to work well for references that are formatted correctly. For a document I created using LaTeX, all of the references with the author in the form "Smith, J." or "J. Smith", etc., were imported fine. If the author is a company (a single word), or the reference is incomplete, it does not work as well. The extracted references can easily be edited and exported to BibTeX, etc.

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"This feature was removed in Mendeley 0.9.7 because it was consuming a fair amount of resources (client and server side) without providing enough value. We plan to re-introduce it in an improved form in future." ...... feedback.mendeley.com/forums/4941-mendeley-feedback/suggestions/… –  iceman Aug 16 '10 at 9:50
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I've seen a Westlaw program do that for legal citations, but that's probably not what you're looking for. Reference Manager might do something like that for academic formats, but I've never used it.

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Try http://www.crossref.org/guestquery/#stqsearch

This one is capable of automatic parsing your reference text and offers a link to an on-line article.

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Zotero is a plugin for firefox which does this for web content. Not sure if there is a similar tool for documents/pdfs

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I know that this isn't exactly what Zotero is designed to do, but if you pointed Firefox to a text file or html file with the relevant data, Zotero might recognize the references and then you could add it to the Zotero library and export the whole library into whatever format you like (I know Zotero supports a bunch of formats). This would be painful for a large number of files though. –  humble coffee Sep 1 '09 at 14:11
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This probably belongs more as a comment to @Abhinav, but zotero definitely only handles structured data, as you would find described here:

http://www.zotero.org/support/getting_stuff_into_your_library#importing_records_from_other_reference_tools

An interesting hack might be to try to write a program that uses each citation as a search query in your favorite database, then uses something like zotero to generate the ref information. You could also download structured information from services like citeUlike. Let me know if you end up doings something like that! (put it up on github if you do ;).

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Take a look at this list of Citation Parsers that can generate XML from input text:

http://freecite.library.brown.edu
http://paracite.eprints.org
http://aye.comp.nus.edu.sg/parsCit (in maintenance mode as of Aug 1, 2012)
http://opcit.eprints.org
http://search.cpan.org/~mjewell/Biblio-Citation-Parser-1.10

With freecite you could use a curl command to submit citations as follows (in PHP):

$cmd = "curl -H 'Accept: text/xml' -d \"" . $myinput . "\" http://freecite.library.brown.edu/citations/create";
$xmloutput = exec( $cmd );
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