@article{oai:wakhok.repo.nii.ac.jp:00000137,
 author = {Gautam, Bishnu Prasad and Shrestha, Dipesh},
 issue = {10},
 journal = {稚内北星学園大学紀要, Wakhok},
 month = {Mar},
 pages = {15--25},
 title = {Document clustering through non-negative matrix factorization: a case study of Hadoop for computational time reduction of large scale documents},
 year = {2010}
}