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Published in:
2012 | OriginalPaper | Chapter
PPLSA: Parallel Probabilistic Latent Semantic Analysis Based on MapReduce
Authors : Ning Li, Fuzhen Zhuang, Qing He, Zhongzhi Shi
Published in: Intelligent Information Processing VI
Publisher: Springer Berlin Heidelberg
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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.