port
the
complexity
necessary
to
support
each
concept.
The
entire
section
on
Advanced
Concepts
should
be
taken
with
a
grain
of
salt;
it
is
merely
a
list
of
possibilities
where
all
of
the
benefits
and
drawbacks
have
not
been
explored.
</p>
<div id="vocabulary-profiles" class="section">
<h3>
<span class="secno">
8.1
</span>
Vocabulary
Profiles
</h3>
<p>
One
of
the
more
powerful
features
of
RDFa
1.1
Core
is
the
ability
to
specify
a
collection
of
prefixes
and
terms
that
can
be
re-used
by
a
processor
to
simplfy
