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I'm using BibTex with the bibliography style "acm":
\begin{document}
...
\bibliographystyle{acm}
\bibliography{bibfile}
\end{document}
Unfortunately, the resulting pdf does not have the DOI and/or URL in the bibligraphy although they are included in the bibfile. What could I change such that the DOI appears?
Thanks a lot four your help!
You ask why the doi and url fields don't show up in the formatted bibliographic entries when you use the acm bibliography style.
The direct answer is, "because the acm bib style is programmed to recognize and process just the following field types (listed alphabetically): address, author, booktitle, chapter, edition, editor, howpublished, institution, journal, key, month, note, number, organization, pages, publisher, school, series, title, type, volume, and year". Any and all fields names not on this list get ignored.
You might be tempted to ask, "why wasn't the acm bib style programmed to recognize some other fields, such as doi and url? The answer is surprisingly simple: because the acm style has been around virtually unchanged since 1988, when most people (including, evidently, Oren Patashnik, the creator of BiBTeX and quite a few bib styles) had never heard of dois and URLs.
acm.bstis a BibTeX style that was last significantly changed in the late 1980s, it neither knows adoinor aurlfield. If you want a more modern ACM style, you may want to tryacmart'sACM-Reference-Format.bst(ctan.org/tex-archive/macros/latex/contrib/acmart).natbiband one of its 'standard' styles (e.g.plainnat). The standardnatbibstyles also know aboutdoiandurl. Generally speaking, more modern styles often supportdoiandurl, while older styles don't and need workarounds withhowpublishedornote.