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Related papers: Discriminative Neural Topic Models

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Topic models have been successfully used for analyzing text documents. However, with existing topic models, many documents are required for training. In this paper, we propose a neural network-based few-shot learning method that can learn a…

Computation and Language · Computer Science 2021-04-20 Tomoharu Iwata

We show how to learn a neural topic model with discrete random variables---one that explicitly models each word's assigned topic---using neural variational inference that does not rely on stochastic backpropagation to handle the discrete…

Machine Learning · Computer Science 2020-10-26 Mehdi Rezaee , Francis Ferraro

Topics generated by topic models are usually represented by lists of $t$ terms or alternatively using short phrases and images. The current state-of-the-art work on labeling topics using images selects images by re-ranking a small set of…

Computation and Language · Computer Science 2017-01-04 Nikolaos Aletras , Arpit Mittal

Topic models have been widely explored as probabilistic generative models of documents. Traditional inference methods have sought closed-form derivations for updating the models, however as the expressiveness of these models grows, so does…

Computation and Language · Computer Science 2018-05-23 Yishu Miao , Edward Grefenstette , Phil Blunsom

Topic models and all their variants analyse text by learning meaningful representations through word co-occurrences. As pointed out by Williamson et al. (2010), such models implicitly assume that the probability of a topic to be active and…

Computation and Language · Computer Science 2023-01-27 Kostadin Cvejoski , Ramsés J. Sánchez , César Ojeda

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

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 paper presents an algorithm for the unsupervised learning of latent variable models from unlabeled sets of data. We base our technique on spectral decomposition, providing a technique that proves to be robust both in theory and in…

Machine Learning · Statistics 2017-04-05 Matteo Ruffini , Marta Casanellas , Ricard Gavaldà

Topic modelling has been a successful technique for text analysis for almost twenty years. When topic modelling met deep neural networks, there emerged a new and increasingly popular research area, neural topic models, with over a hundred…

Machine Learning · Computer Science 2021-03-02 He Zhao , Dinh Phung , Viet Huynh , Yuan Jin , Lan Du , Wray Buntine

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

End-to-end training from scratch of current deep architectures for new computer vision problems would require Imagenet-scale datasets, and this is not always possible. In this paper we present a method that is able to take advantage of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Lluis Gomez , Yash Patel , Marçal Rusiñol , Dimosthenis Karatzas , C. V. Jawahar

Topic models have been prevalent for decades to discover latent topics and infer topic proportions of documents in an unsupervised fashion. They have been widely used in various applications like text analysis and context recommendation.…

Computation and Language · Computer Science 2024-06-25 Xiaobao Wu , Thong Nguyen , Anh Tuan Luu

Topic models are popular statistical tools for detecting latent semantic topics in a text corpus. They have been utilized in various applications across different fields. However, traditional topic models have some limitations, including…

Computation and Language · Computer Science 2023-10-10 Pritom Saha Akash , Trisha Das , Kevin Chen-Chuan Chang

Discriminative self-supervised learning allows training models on any random group of internet images, and possibly recover salient information that helps differentiate between the images. Applied to ImageNet, this leads to object centric…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Priya Goyal , Quentin Duval , Isaac Seessel , Mathilde Caron , Ishan Misra , Levent Sagun , Armand Joulin , Piotr Bojanowski

In this paper we present a model for unsupervised topic discovery in texts corpora. The proposed model uses documents, words, and topics lookup table embedding as neural network model parameters to build probabilities of words given topics,…

Computation and Language · Computer Science 2019-11-26 Sileye 0. Ba

Most real-world document collections involve various types of metadata, such as author, source, and date, and yet the most commonly-used approaches to modeling text corpora ignore this information. While specialized models have been…

Machine Learning · Statistics 2018-10-25 Dallas Card , Chenhao Tan , Noah A. Smith

Current topic models often suffer from discovering topics not matching human intuition, unnatural switching of topics within documents and high computational demands. We address these concerns by proposing a topic model and an inference…

Computation and Language · Computer Science 2018-02-06 Johannes Schneider

Applying convolutional neural networks to large images is computationally expensive because the amount of computation scales linearly with the number of image pixels. We present a novel recurrent neural network model that is capable of…

Machine Learning · Computer Science 2014-06-25 Volodymyr Mnih , Nicolas Heess , Alex Graves , Koray Kavukcuoglu

Facilitated by deep neural networks, video recommendation systems have made significant advances. Existing video recommendation systems directly exploit features from different modalities (e.g., user personal data, user behavior data, video…

Information Retrieval · Computer Science 2020-10-27 Shi Pu , Yijiang He , Zheng Li , Mao Zheng

Topic models aim to reveal latent structures within a corpus of text, typically through the use of term-frequency statistics over bag-of-words representations from documents. In recent years, conceptual entities -- interpretable,…

Computation and Language · Computer Science 2024-08-27 Manuel V. Loureiro , Steven Derby , Tri Kurniawan Wijaya
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