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Traditional topic models such as Latent Dirichlet Allocation (LDA) have been widely used to uncover latent structures in text corpora, but they often struggle to integrate auxiliary information such as metadata, user attributes, or document…

Machine Learning · Computer Science 2025-11-04 Biyi Fang , Truong Vo , Kripa Rajshekhar , Diego Klabjan

For organizing large text corpora topic modeling provides useful tools. A widely used method is Latent Dirichlet Allocation (LDA), a generative probabilistic model which models single texts in a collection of texts as mixtures of latent…

Computation and Language · Computer Science 2020-04-02 Jonas Rieger , Lars Koppers , Carsten Jentsch , Jörg Rahnenführer

Latent Dirichlet allocation (LDA) is a widely-used probabilistic topic modeling paradigm, and recently finds many applications in computer vision and computational biology. In this paper, we propose a fast and accurate batch algorithm,…

Machine Learning · Computer Science 2014-04-09 Jia Zeng , Zhi-Qiang Liu , Xiao-Qin Cao

The problem of topic modeling can be seen as a generalization of the clustering problem, in that it posits that observations are generated due to multiple latent factors (e.g., the words in each document are generated as a mixture of…

Machine Learning · Computer Science 2013-01-21 Animashree Anandkumar , Dean P. Foster , Daniel Hsu , Sham M. Kakade , Yi-Kai Liu

Latent Dirichlet Allocation (LDA) mining thematic structure of documents plays an important role in nature language processing and machine learning areas. However, the probability distribution from LDA only describes the statistical…

Computation and Language · Computer Science 2015-06-30 Li-Qiang Niu , Xin-Yu Dai

This paper presents an intertemporal bimodal network to analyze the evolution of the semantic content of a scientific field within the framework of topic modeling, namely using the Latent Dirichlet Allocation (LDA). The main contribution is…

Computation and Language · Computer Science 2020-02-13 Luigi Di Caro , Marco Guerzoni , Massimiliano Nuccio , Giovanni Siragusa

Latent Dirichlet Allocation (LDA) model is a famous model in the topic model field, it has been studied for years due to its extensive application value in industry and academia. However, the mathematical derivation of LDA model is…

Information Retrieval · Computer Science 2019-08-28 Chen Ma

Traditionally, Latent Dirichlet Allocation (LDA) ingests words in a collection of documents to discover their latent topics using word-document co-occurrences. However, it is unclear how to achieve the best results for languages without…

Computation and Language · Computer Science 2021-08-25 Jin Cheevaprawatdomrong , Alexandra Schofield , Attapol T. Rutherford

Latent Dirichlet Allocation (LDA) is a popular topic modeling technique for discovery of hidden semantic architecture of text datasets, and plays a fundamental role in many machine learning applications. However, like many other machine…

Machine Learning · Computer Science 2019-07-02 Fangyuan Zhao , Xuebin Ren , Shusen Yang , Xinyu Yang

To solve the big topic modeling problem, we need to reduce both time and space complexities of batch latent Dirichlet allocation (LDA) algorithms. Although parallel LDA algorithms on the multi-processor architecture have low time and space…

Machine Learning · Computer Science 2013-11-19 Jian-Feng Yan , Jia Zeng , Zhi-Qiang Liu , Yang Gao

Topic modeling is widely used for analytically evaluating large collections of textual data. One of the most popular topic techniques is Latent Dirichlet Allocation (LDA), which is flexible and adaptive, but not optimal for e.g. short texts…

Computation and Language · Computer Science 2022-12-19 Muriël de Groot , Mohammad Aliannejadi , Marcel R. Haas

Recommendation systems have an important place to help online users in the internet society. Recommendation Systems in computer science are of very practical use these days in various aspects of the Internet portals, such as social…

Information Retrieval · Computer Science 2018-12-21 Hamed Jelodar , Yongli Wang , Mahdi Rabbani , Ru-xin Zhao , Seyedvalyallah Ayobi , Peng Hu , Isma Masood

Standard LDA model suffers the problem that the topic assignment of each word is independent and word correlation hence is neglected. To address this problem, in this paper, we propose a model called Word Related Latent Dirichlet Allocation…

Computation and Language · Computer Science 2014-11-11 Xun Wang

Content-based video retrieval is one of the most challenging tasks in surveillance systems. In this study, Latent Dirichlet Allocation (LDA) topic model is used to annotate surveillance videos in an unsupervised manner. In scene…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Mohammad Kianpisheh

Latent Dirichlet Allocation (LDA) is a topic model widely used in natural language processing and machine learning. Most approaches to training the model rely on iterative algorithms, which makes it difficult to run LDA on big corpora that…

Machine Learning · Statistics 2020-10-23 Alexander Terenin , Måns Magnusson , Leif Jonsson , David Draper

In this paper we demonstrate the applicability of latent Dirichlet allocation (LDA) for classifying large Web document collections. One of our main results is a novel influence model that gives a fully generative model of the document…

Information Retrieval · Computer Science 2010-06-28 István Bíró , Jácint Szabó

Topic modeling is admittedly a convenient way to monitor markets trend. Conventionally, Latent Dirichlet Allocation, LDA, is considered a must-do model to gain this type of information. By given the merit of deducing keyword with token…

Computation and Language · Computer Science 2023-09-19 Ching-Hsun Tseng , Shin-Jye Lee , Po-Wei Cheng , Chien Lee , Chih-Chieh Hung

There has been an increasingly popular trend in Universities for curriculum transformation to make teaching more interactive and suitable for online courses. An increase in the popularity of online courses would result in an increase in the…

Information Retrieval · Computer Science 2020-11-03 Nikhil Fernandes , Alexandra Gkolia , Nicolas Pizzo , James Davenport , Akshar Nair

We study a parametric family of latent variable models, namely topic models, equipped with a hierarchical structure among the topic variables. Such models may be viewed as a finite mixture of the latent Dirichlet allocation (LDA) induced…

Statistics Theory · Mathematics 2024-08-27 Sunrit Chakraborty , Rayleigh Lei , XuanLong Nguyen

A common task in many political institutions (i.e. Parliament) is to find politicians who are experts in a particular field. In order to tackle this problem, the first step is to obtain politician profiles which include their interests, and…

Information Retrieval · Computer Science 2024-01-22 Luis M. de Campos , Juan M. Fernández-Luna , Juan F. Huete , Luis Redondo-Expósito