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The emerging neural topic models make topic modeling more easily adaptable and extendable in unsupervised text mining. However, the existing neural topic models is difficult to retain representative information of the documents within the…

Computation and Language · Computer Science 2022-03-15 Kang Xu , Xiaoqiu Lu , Yuan-fang Li , Tongtong Wu , Guilin Qi , Ning Ye , Dong Wang , Zheng Zhou

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…

Computation and Language · Computer Science 2018-09-12 Jichuan Zeng , Jing Li , Yan Song , Cuiyun Gao , Michael R. Lyu , Irwin King

Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can potentially discover a broad range of themes in a data set,…

Artificial Intelligence · Computer Science 2008-08-08 Chaitanya Chemudugunta , Padhraic Smyth , Mark Steyvers

In this paper, we provide the first practical algorithms with provable guarantees for the problem of inferring the topics assigned to each document in an LDA topic model. This is the primary inference problem for many applications of topic…

Machine Learning · Computer Science 2025-06-10 Adam Breuer

Topics generated by topic models are typically represented as list of terms. To reduce the cognitive overhead of interpreting these topics for end-users, we propose labelling a topic with a succinct phrase that summarises its theme or idea.…

Computation and Language · Computer Science 2016-12-26 Shraey Bhatia , Jey Han Lau , Timothy Baldwin

Lifelong learning has recently attracted attention in building machine learning systems that continually accumulate and transfer knowledge to help future learning. Unsupervised topic modeling has been popularly used to discover topics from…

Computation and Language · Computer Science 2023-06-28 Pankaj Gupta , Yatin Chaudhary , Thomas Runkler , Hinrich Schütze

A single, stationary topic model such as latent Dirichlet allocation is inappropriate for modeling corpora that span long time periods, as the popularity of topics is likely to change over time. A number of models that incorporate time have…

Machine Learning · Statistics 2015-03-20 Avinava Dubey , Ahmed Hefny , Sinead Williamson , Eric P. Xing

Supervised topic models are often sought to balance prediction quality and interpretability. However, when models are (inevitably) misspecified, standard approaches rarely deliver on both. We introduce a novel approach, the…

Machine Learning · Computer Science 2020-03-04 Jason Ren , Russell Kunes , Finale Doshi-Velez

Topic modelling in Natural Language Processing uncovers hidden topics in large, unlabelled text datasets. It is widely applied in fields such as information retrieval, content summarisation, and trend analysis across various disciplines.…

Computation and Language · Computer Science 2025-11-18 Saranzaya Magsarjav , Melissa Humphries , Jonathan Tuke , Lewis Mitchell

Recent empirical studies show that adversarial topic models (ATM) can successfully capture semantic patterns of the document by differentiating a document with another dissimilar sample. However, utilizing that discriminative-generative…

Computation and Language · Computer Science 2021-10-26 Thong Nguyen , Anh Tuan Luu

Language models can learn sophisticated language understanding skills from fitting raw text. They also unselectively learn useless corpus statistics and biases, especially during finetuning on domain-specific corpora. In this paper, we…

Computation and Language · Computer Science 2024-06-05 Xiao Zhang , Miao Li , Ji Wu

The effectiveness of in-context learning relies heavily on selecting demonstrations that provide all the necessary information for a given test input. To achieve this, it is crucial to identify and cover fine-grained knowledge requirements.…

Computation and Language · Computer Science 2025-09-17 Wonbin Kweon , SeongKu Kang , Runchu Tian , Pengcheng Jiang , Jiawei Han , Hwanjo Yu

We propose and study a novel supervised approach to learning statistical semantic relatedness models from subjectively annotated training examples. The proposed semantic model consists of parameterized co-occurrence statistics associated…

Computation and Language · Computer Science 2013-11-12 Ran El-Yaniv , David Yanay

In the Humanities and Social Sciences, there is increasing interest in approaches to information extraction, prediction, intelligent linkage, and dimension reduction applicable to large text corpora. With approaches in these fields being…

Applications · Statistics 2019-04-16 Vanessa Glenny , Jonathan Tuke , Nigel Bean , Lewis Mitchell

Topic models are frequently used in machine learning owing to their high interpretability and modular structure. However, extending a topic model to include a supervisory signal, to incorporate pre-trained word embedding vectors and to…

Machine Learning · Statistics 2019-09-17 Ryohei Hisano

Graph Neural Networks (GNNs) that capture the relationships between graph nodes via message passing have been a hot research direction in the natural language processing community. In this paper, we propose Graph Topic Model (GTM), a GNN…

Computation and Language · Computer Science 2020-09-30 Deyu Zhou , Xuemeng Hu , Rui Wang

Comparative text mining extends from genre analysis and political bias detection to the revelation of cultural and geographic differences, through to the search for prior art across patents and scientific papers. These applications use…

Information Retrieval · Computer Science 2019-11-27 Julian Risch , Ralf Krestel

In the last decades, philosophers have begun using empirical data for conceptual analysis, but corpus-based conceptual analysis has so far failed to develop, in part because of the absence of reliable methods to automatically detect…

Computation and Language · Computer Science 2019-05-27 Louis Chartrand , Mohamed Bouguessa

Topic-controllable summarization is an emerging research area with a wide range of potential applications. However, existing approaches suffer from significant limitations. For example, the majority of existing methods built upon recurrent…

Computation and Language · Computer Science 2024-04-18 Tatiana Passali , Grigorios Tsoumakas

Topic models provide a useful method for dimensionality reduction and exploratory data analysis in large text corpora. Most approaches to topic model inference have been based on a maximum likelihood objective. Efficient algorithms exist…

Machine Learning · Computer Science 2012-12-20 Sanjeev Arora , Rong Ge , Yoni Halpern , David Mimno , Ankur Moitra , David Sontag , Yichen Wu , Michael Zhu