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We've looked at this pretty extensively, and we're pretty certain there's nothing downloadable that does a "good enough" job. However, it's by no means impossible -- it seems to be undergrad thesis-level work in Singapore: http://wing.comp.nus.edu.sg/parsCit/ There used to be a paper describing this approach (essentially treating citation parsing as a natural language processing task and using a maximum entropy algorithm) online... the page even cites it... but it seems to be gone now. FWIW, it didn't look too difficult. -Nate On Jul 17, 2007, at 6:16 PM, Jonathan Rochkind wrote: > Does anyone have any decent open source code to parse a citation? I'm > talking about a completely narrative citation like someone might > cut-and-paste from a bibliography or web page. I realize there are a > number of differnet formats this could be in (not to mention the human > error problems that always occur from human entered free text)--but > thinking about it, I suspect that with some work you could get > something > that worked reasonably well (if not perfect). So I'm wondering if > anyone > has donethis work. > > (One of the commerical legal product--I forget if it's Lexis or > West--does this with legal citations--a more limited domain--quite > well. I'm not sure if any of the commerical bibliographic citation > management software does this?) > > The goal, as you can probably guess, is a box that the user can > paste a > citation into; make an OpenURL out of it; show the user where to > get the > citation. I'm pretty confident something useful could be created > here, > with enough time put into it. But saldy, it's probably more time than > anyone has individually. Unless someone's done it already? > > Hopefully, > Jonathan >