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Topic Memory Networks for Short Text Classification

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arxiv 1809.03664 v1 pith:U5C2QETC submitted 2018-09-11 cs.CL

Topic Memory Networks for Short Text Classification

classification cs.CL
keywords classificationtopicmemoryshorttextnetworksmodelmodels
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Many classification models work poorly on short texts due to data sparsity. To address this issue, we propose topic memory networks for short text classification with a novel topic memory mechanism to encode latent topic representations indicative of class labels. Different from most prior work that focuses on extending features with external knowledge or pre-trained topics, our model jointly explores topic inference and text classification with memory networks in an end-to-end manner. Experimental results on four benchmark datasets show that our model outperforms state-of-the-art models on short text classification, meanwhile generates coherent topics.

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  1. Enriching and Controlling Global Semantics for Text Summarization

    cs.CL 2021-09 unverdicted novelty 5.0

    A normalizing-flow neural topic model plus control mechanism are added to Transformer summarizers to supply and regulate global semantics, with reported gains over prior models on five benchmarks.