Learning to Rank, how does this works?
documents
D={d
1
,d
2
,...,d
N
}
IR System
Query
q
m+1
List of documents (ranked)
d
q,1
, f
(qm+1, d1)
d
q,2,
f
(qm+1, d1)
d
q,3,
f
(qm+1, d1)
d
q,4,
f
(qm+1, d1)
d
q,5,
f
(qm+1, d1)
...
d
q,n,
f
(qm+1, d1)
Learning
System
q
1
d
1,1
d
1,2
d
1,3
...
d
q,n
q
m
d
m,1
d
m,2
d
m,3
...
d
m,n
f
(q,d
)