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What is the correct format for the biblatex entry for a webpage? The biblatex documentation mentions only @online, but my tools generate @webpage. Is there a difference between these, or are they equivalent?

For example, is the following correct?

organization={Mathematics - Stack Exchange},
title = {{Is the “binary operation” in the definition of a group always deterministic?}},
year = {2012},
url = {http://math.stackexchange.com/q/148970/}
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The entry types @electronic and @www are aliases for @online. The term @webpage is definitely outside biblatex's standard terminology. – Mico May 24 '12 at 3:39
up vote 7 down vote accepted

webpage is not a standard biblatex entry type. However, this is not really a problem if you have no way to make it output something different. With biblatex 2.0+biber 1.0, you could put this in your preamble:

      \step[typesource=webpage, typetarget=online]

Or equivalently, this in your biber.conf to set this as a type alias you always want to use :

  <maps datatype="bibtex" map_overwrite="1">
      <map_step map_type_source="WEBPAGE" map_type_target ="ONLINE"/>

Additionally, biblatex and biber will, in the not too distant future, support a configurable data model so you will be able to make webpage a genuine entry type for biblatex.

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