<s>
Preference	B-General_Concept
elicitation	I-General_Concept
refers	O
to	O
the	O
problem	O
of	O
developing	O
a	O
decision	B-Application
support	I-Application
system	I-Application
capable	O
of	O
generating	O
recommendations	B-Application
to	O
a	O
user	O
,	O
thus	O
assisting	O
in	O
decision	O
making	O
.	O
</s>
<s>
Researchers	O
as	O
well	O
as	O
major	O
online	O
catalog	O
companies	O
have	O
come	O
up	O
with	O
algorithms	O
and	O
prototypes	B-Application
of	O
systems	O
that	O
can	O
aid	O
a	O
user	O
to	O
be	O
able	O
to	O
navigate	O
through	O
a	O
complex	O
and	O
huge	O
information	O
space	O
using	O
some	O
information	O
from	O
the	O
user	O
in	O
the	O
form	O
of	O
answers	O
to	O
certain	O
queries	O
or	O
ratings	O
to	O
certain	O
items	O
etc	O
.	O
</s>
