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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 4 of 4 1 Unsupervised Abstractive Opinion Summarization by Generating Sentences with Tree-Structured Topic Guidance ... The 2021 Conference on Empirical Methods in Natural Language Processing 2021; Bollegala, Danushka; Isonuma, Masaru; Mori, Junichiro; Sakata, Ichiro. - : Underline Science Inc., 2021 Abstract: This paper presents a novel unsupervised abstractive summarization method for opinionated texts. While the basic variational autoencoder-based models assume a unimodal Gaussian prior for the latent code of sentences, we alternate it with a recursive Gaussian mixture, where each mixture component corresponds to the latent code of a topic sentence and is mixed by a tree-structured topic distribution. By decoding each Gaussian component, we generate sentences with tree-structured topic guidance, where the root sentence conveys generic content, and the leaf sentences describe specific topics. Experimental results demonstrate that the generated topic sentences are appropriate as a summary of opinionated texts, which are more informative and cover more input contents than those generated by the recent unsupervised summarization model (Bražinskas et al., 2020). Furthermore, we demonstrate that the variance of latent Gaussians represents the granularity of sentences, analogous to Gaussian word embedding (Vilnis and ... Keyword: Computational Linguistics; Machine Learning; Machine Learning and Data Mining; Natural Language Processing; Text Summarization URL: https://dx.doi.org/10.48448/eeqw-5327 https://underline.io/lecture/38985-unsupervised-abstractive-opinion-summarization-by-generating-sentences-with-tree-structured-topic-guidance BASE Hide details 2 Unsupervised Abstractive Opinion Summarization by Generating Sentences with Tree-Structured Topic Guidance Sakata, Ichiro; Mori, Junichiro; Bollegala, Danushka. - : Massachusetts Institute of Technology Press, 2021 BASE Show details 3 Unsupervised Abstractive Opinion Summarization by Generating Sentences with Tree-Structured Topic Guidance Bollegala, Danushka; Isonuma, Masaru; Mori, Junichiro. - 2021 BASE Show details 4 Tree-Structured Neural Topic Model Isonuma, Masaru; Mori, Junichiro; Bollegala, Danushka. - 2020 BASE Show details

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