摘要：Similar topics have higher probability values over the relevant words,Thus, a topic is near its similar topics in a probability vector space,Two different probability distributions might have the same label.Unsupervised topic modeling,Supervised topic modeling,Data-independent Hashing,Data-dependent Hashing.Unsupervised hashing,Supervised hashing,Distribution similarity ranking method.Traditional topic labeling, Select manually,Automatical labeling,hard for new emerging topics,time-consuming.
