<s>
In	O
the	O
semantic	O
web	O
,	O
Simple	B-General_Concept
HTML	I-General_Concept
Ontology	I-General_Concept
Extensions	I-General_Concept
are	O
a	O
small	O
set	O
of	O
HTML	O
extensions	O
designed	O
to	O
give	O
web	O
pages	O
semantic	O
meaning	O
by	O
allowing	O
information	O
such	O
as	O
class	O
,	O
subclass	O
and	O
property	O
relationships	O
.	O
</s>
