Background 历些毫子种拔大” XIDIAN UNIVERSITY Dimensional Reduction (DR) ■Clustering >Text Clustering,Webpage Clustering,Image Clustering... ■Summarization NMF ●nigina >Document Summarization,Image Summ ■Factorization >Rating Matrix Factorization,Image Non- ▣Basic Requirement Automatic Applicable Explainable →Clustering(Text) 2017/14/13 Software Engineering 2017/4/13 Software Engineering Background Dimensional Reduction (DR)  Clustering  Text Clustering, Webpage Clustering, Image Clustering…  Summarization Document Summarization, Image Summarization…  Factorization  Rating Matrix Factorization, Image Non-negative Factorization 4 Automatic Applicable Explainable  Basic Requirement Clustering (Text)