<s>
AmphetaRate	B-Application
is	O
an	O
open	B-License
source	I-License
RSS	O
recommendation	O
server	O
.	O
</s>
<s>
Users	O
can	O
rate	O
these	O
articles	O
so	O
that	O
AmphetaRate	B-Application
learns	O
their	O
taste	O
.	O
</s>
<s>
It	O
uses	O
Bayesian	O
statistics	O
and	O
a	O
collaborative	B-Algorithm
filtering	I-Algorithm
algorithm	O
called	O
ACF-Nearest-Neighbor	O
to	O
find	O
other	O
articles	O
that	O
they	O
may	O
like	O
.	O
</s>
<s>
AmphetaRate	B-Application
was	O
originally	O
designed	O
for	O
the	O
web-based	O
RSS	B-Application
reader	I-Application
AmphetaDesk	O
,	O
but	O
now	O
the	O
preferred	O
reader	O
is	O
the	O
Java-based	O
RSSOwl	B-Language
.	O
</s>
<s>
However	O
,	O
rating	O
articles	O
in	O
any	O
feed	O
is	O
limited	O
to	O
RSSOwl	B-Language
.	O
</s>
<s>
There	O
is	O
a	O
documented	O
API	B-Application
explaining	O
how	O
to	O
add	O
this	O
functionality	O
to	O
other	O
RSS	B-Application
readers	I-Application
.	O
</s>
<s>
AmphetaRate	B-Application
will	O
search	O
for	O
articles	O
with	O
keywords	O
determined	O
by	O
the	O
aforementioned	O
Bayesian	O
analysis	O
.	O
</s>
<s>
Popular	O
BlogDex	O
articles	O
are	O
added	O
to	O
AmphetaRate	B-Application
with	O
corresponding	O
ratings	O
.	O
</s>
<s>
As	O
of	O
August	O
4	O
,	O
,	O
AmphetaRate	B-Application
has	O
1100	O
users	O
and	O
usually	O
less	O
than	O
100	O
articles	O
are	O
rated	O
each	O
day	O
.	O
</s>
<s>
AmphetaRate	B-Application
is	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
.	O
</s>
