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Related papers: A Survey on Neural Topic Models: Methods, Applicat…

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Compared to sentence-level systems, document-level neural machine translation (NMT) models produce a more consistent output across a document and are able to better resolve ambiguities within the input. There are many works on…

Computation and Language · Computer Science 2023-06-09 Christian Herold , Hermann Ney

Distributed representation learned with neural networks has recently shown to be effective in modeling natural languages at fine granularities such as words, phrases, and even sentences. Whether and how such an approach can be extended to…

Computation and Language · Computer Science 2016-10-27 Qian Chen , Xiaodan Zhu , Zhenhua Ling , Si Wei , Hui Jiang

This study addresses an image-matching problem in challenging cases, such as large scene variations or textureless scenes. To gain robustness to such situations, most previous studies have attempted to encode the global contexts of a scene…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Khang Truong Giang , Soohwan Song , Sungho Jo

Traditional Relational Topic Models provide a way to discover the hidden topics from a document network. Many theoretical and practical tasks, such as dimensional reduction, document clustering, link prediction, benefit from this revealed…

Machine Learning · Statistics 2015-03-31 Junyu Xuan , Jie Lu , Guangquan Zhang , Richard Yi Da Xu , Xiangfeng Luo

Though word embeddings and topics are complementary representations, several past works have only used pre-trained word embeddings in (neural) topic modeling to address data sparsity problem in short text or small collection of documents.…

Computation and Language · Computer Science 2019-09-18 Pankaj Gupta , Yatin Chaudhary , Hinrich Schütze

Topic models are widely used unsupervised models capable of learning topics - weighted lists of words and documents - from large collections of text documents. When topic models are used for discovery of topics in text collections, a…

Information Retrieval · Computer Science 2021-09-03 Damir Korenčić , Strahil Ristov , Jelena Repar , Jan Šnajder

Topic models are widely used to analyze document collections. While they are valuable for discovering latent topics in a corpus when analysts are unfamiliar with the corpus, analysts also commonly start with an understanding of the content…

Computation and Language · Computer Science 2024-07-01 Garima Dhanania , Sheshera Mysore , Chau Minh Pham , Mohit Iyyer , Hamed Zamani , Andrew McCallum

Text summarization aims to compress a textual document to a short summary while keeping salient information. Extractive approaches are widely used in text summarization because of their fluency and efficiency. However, most of existing…

Computation and Language · Computer Science 2020-10-14 Peng Cui , Le Hu , Yuanchao Liu

Modeling topics effectively in short texts, such as tweets and news snippets, is crucial to capturing rapidly evolving social trends. Existing topic models often struggle to accurately capture the underlying semantic patterns of short…

Computation and Language · Computer Science 2025-02-18 Shuyu Chang , Rui Wang , Peng Ren , Qi Wang , Haiping Huang

Topic modeling is one of the most powerful techniques in text mining for data mining, latent data discovery, and finding relationships among data, text documents. Researchers have published many articles in the field of topic modeling and…

Information Retrieval · Computer Science 2018-12-07 Hamed Jelodar , Yongli Wang , Chi Yuan , Xia Feng , Xiahui Jiang , Yanchao Li , Liang Zhao

Topic models such as LDA, DocNADE, iDocNADEe have been popular in document analysis. However, the traditional topic models have several limitations including: (1) Bag-of-words (BoW) assumption, where they ignore word ordering, (2) Data…

Information Retrieval · Computer Science 2019-10-01 Yatin Chaudhary , Pankaj Gupta , Thomas Runkler

Inferring topics from the overwhelming amount of short texts becomes a critical but challenging task for many content analysis tasks, such as content charactering, user interest profiling, and emerging topic detecting. Existing methods such…

Computation and Language · Computer Science 2016-09-28 Jipeng Qiang , Ping Chen , Tong Wang , Xindong Wu

Topic modelling is a popular unsupervised method for identifying the underlying themes in document collections that has many applications in information retrieval. A topic is usually represented by a list of terms ranked by their…

Information Retrieval · Computer Science 2020-06-02 Areej Alokaili , Nikolaos Aletras , Mark Stevenson

Neural models have recently been used in text summarization including headline generation. The model can be trained using a set of document-headline pairs. However, the model does not explicitly consider topical similarities and differences…

Computation and Language · Computer Science 2016-08-23 Lei Xu , Ziyun Wang , Ayana , Zhiyuan Liu , Maosong Sun

Topic modeling is a useful tool for analyzing large corpora of written documents, particularly academic papers. Despite a wide variety of proposed topic modeling techniques, these techniques do not perform well when applied to medical…

Machine Learning · Computer Science 2025-10-16 Martin Licht , Sara Ketabi , Farzad Khalvati

Topic Modeling refers to the problem of discovering the main topics that have occurred in corpora of textual data, with solutions finding crucial applications in numerous fields. In this work, inspired by the recent advancements in the…

Computation and Language · Computer Science 2021-08-23 Shayan Fazeli , Majid Sarrafzadeh

In recent years, fully automated content analysis based on probabilistic topic models has become popular among social scientists because of their scalability. The unsupervised nature of the models makes them suitable for exploring topics in…

Computation and Language · Computer Science 2023-02-06 Shusei Eshima , Kosuke Imai , Tomoya Sasaki

Dynamic topic modeling facilitates the identification of topical trends over time in temporal collections of unstructured documents. We introduce a novel unsupervised neural dynamic topic model named as Recurrent Neural Network-Replicated…

Computation and Language · Computer Science 2018-07-10 Pankaj Gupta , Subburam Rajaram , Hinrich Schütze , Bernt Andrassy

As we continue to collect and store textual data in a multitude of domains, we are regularly confronted with material whose largely unknown thematic structure we want to uncover. With unsupervised, exploratory analysis, no prior knowledge…

Information Retrieval · Computer Science 2015-07-20 Samuel Rönnqvist

Topic models are popular models for analyzing a collection of text documents. The models assert that documents are distributions over latent topics and latent topics are distributions over words. A nested document collection is where…

Information Retrieval · Computer Science 2021-04-05 Jason Wang , Robert E. Weiss
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