As the title of this post suggests, we are currently tackling the problem of developing a feature which will provide users with a list of the articles that have cited a paper of interest. This is either not too hard or it is impossible depending on how you go about it. There are different ways to cite a paper: put the journal name first (may be abbreviated or not…. or abbreviated in a different way), put the year first, put the issue number in, don’t put the issue number in etc. So the search engine fell in on itself the first few times I tried this but now it is not too bad. ChemRefer also managed to crash ChemSpider last weekend (oops). Anyway, below is the embryonic version of this feature which will form part of a “detailed view” for displaying article metadata more clearly (only the article titles and the publisher name have hyperlinks in the example – btw the end presentation probably will be very different to this but the metadata will be similar). Note that the current index wasn’t designed with this kind of feature in mind so there are likely to be more citations of this article (chose this example because both articles are Open Access so anyone can analyse these citations): 

Acetone 3-nitrophenylhydrazone, redetermined at 120 K: sheets built from N-H…O, C-H…O and C-H…N hydrogen bonds

S. M. S. V. Wardell, M. V. N. de Souza, J. L. Wardell, J. N. Low and C. Glidewell
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Citation Information
Acta Cryst. Section E 2006;62(7):o2838-o2840

Publisher ©
International Union of Crystallography

Article URL

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Citations Found: 1

Acetone 2-nitrophenylhydrazone (Acta Cryst. Section E 2007;63(2):o970-o971) – International Union of Crystallography

S. M. S. V. Wardell, J. L. Wardell, J. N. Low and C. Glidewell

2006). Acta Cryst. E62, o2838 – o2840. o971 Acta Cryst. ( Brazil, hydrazone, (II) (Wardell et al., 2006). c M. S. V., de Souza, M. V. N.,

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9 Responses to “cITaTioNs”

  1. Mitch says:

    That’s nifty, what database are you using?


  2. will says:

    MySQL (because it’s free) + Zoom Indexer (got it when it was cheap ~£50, but it’s gone up in price since they realised how good their software is) but any full text indexer should be adequate.

    The combining with ChemSpider *might* change the MySQL to SQL Server in future.

  3. Mitch says:

    Woops, I didn’t mean the backend. I meant what data are you curating through to extract that information?


  4. will says:

    Ah, OK. In the example of the post, this is achieved by spidering the texts of the OA articles in question – there is no manual curation or access to anyone’s DB.

  5. Mitch says:

    What is an OA article?


  6. will says:

    OA is “Open Access” >> so you can access the full article. But it’s best to refer to the publisher’s definition of what they mean by that exactly.

  7. Mitch says:

    Does ACS or APS or Nature or any other big publisher have OA articles too?

  8. will says:

    Most publishers have at least some open access in that you can view the full texts e.g. ACS and Nature have “sample issues” with free, full text access, the RSC have free full text viewing access for their 1997-2004 articles and the IUCr even have a whole browsable feature dedicated to their OA literature (at ). I cannot think of any journal which is totally closed because they need to be viewed or else their “impact factor” would drop.

  9. OPEN CHEMISTRY WEB » Blog Archive » “Chemrefer could disappear tomorrow” says:

    [...] we do have the critical mass of text journal articles indexed, the “cited in” feature can be implemented and we can open up the chemical names from the indexed content [...]

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