标签：topicmodel topic
http://blog.csdn.net/pipisorry/article/details/42560693
from:http://blog.csdn.net/pipisorry/article/details/42560693
ref:
TopicModel - LSA、PLSA、LDA算法
原文地址：http://blog.csdn.net/pipisorry/article/details/42560693
