狄利赫雷分布 - 引用次数：1参考来源 - 一种基于LDA的CRF自动文摘方法 An Approach to Automatic Summarization by Integrating Latent Dirichlet Allocation in Conditional Random Field
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Latent Dirichlet allocation
abstract:In natural language processing, Latent Dirichlet Allocation (LDA) is a generative model that allows sets of observations to be explained by unobserved groups that explain why some parts of the data are similar. For example, if observations are words collected into documents, it posits that each document is a mixture of a small number of topics and that each word's creation is attributable to one of the document's topics.