PPLSA: Parallel Probabilistic Latent Semantic Analysis Based on MapReduce

  title={PPLSA: Parallel Probabilistic Latent Semantic Analysis Based on MapReduce},
  author={Ning Li and Fuzhen Zhuang and Qing He and Zhongzhi Shi},
  booktitle={Intelligent Information Processing},
PLSA(Probabilistic Latent Semantic Analysis) is a popular topic modeling technique for exploring document collections. Due to the increasing prevalence of large datasets, there is a need to improve the scalability of computation in PLSA. In this paper, we propose a parallel PLSA algorithm called PPLSA to accommodate large corpus collections in the MapReduce framework. Our solution efficiently distributes computation and is relatively simple to implement. 
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