TY  - GEN
AU  - Manning, Christopher D. 
AU  - Raghavan, Prabhakar 
AU  - Schutze, Hinrich
TI  - Introduction to information retrieval 
SN  - 9781107666399
U1  - 025.04 MAN/I 
PY  - 2012///
CY  - New Delhi
PB  - Cambridge University Press 
KW  - Document clustering
KW  - Information retrieval
ER  -