Document clustering based on non-negative matrix factorization Wei Xu, Xin Liu, and Yihong Gong   View Paper (PDF)   Return to Clustering BIBTEX @inproceedings       {DBLP:conf/sigir/XuLG03,   author    = {Wei Xu and                 Yihong Gong and                 Xin Liu},    booktitle = {SIGIR},    title     = {Document clustering based on non-negative matrix factorization.},    pages     = {267-273},    year      = {2003},    url       = {db/conf/sigir/sigir2003.html#XuLG03},    ee        = {http://doi.acm.org/10.1145/860485},    crossref  = {conf/sigir/2003},    bibsource = {DBLP, http://dblp.uni-trier.de}  } ©2004 Association for Computing Machinery