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One of the challenges for text analysis in medical domains is analyzing large-scale medical documents. As a consequence, finding relevant documents has become more difficult. One of the popular methods to retrieve information based on…

信息检索 · 计算机科学 2019-11-26 Amir Karami , Aryya Gangopadhyay , Bin Zhou , Hadi Kharrazi

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…

计算与语言 · 计算机科学 2023-09-19 Ching-Hsun Tseng , Shin-Jye Lee , Po-Wei Cheng , Chien Lee , Chih-Chieh Hung

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,…

计算与语言 · 计算机科学 2019-11-26 Sileye 0. Ba

Originally designed to model text, topic modeling has become a powerful tool for uncovering latent structure in domains including medicine, finance, and vision. The goals for the model vary depending on the application: in some cases, the…

机器学习 · 统计学 2014-11-24 Finale Doshi-Velez , Byron Wallace , Ryan Adams

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…

信息检索 · 计算机科学 2018-12-07 Hamed Jelodar , Yongli Wang , Chi Yuan , Xia Feng , Xiahui Jiang , Yanchao Li , Liang Zhao

An important aspect of text mining involves information retrieval in form of discovery of semantic themes (topics) from documents using topic modelling. While generative topic models like Latent Dirichlet Allocation (LDA) or Latent Semantic…

机器学习 · 计算机科学 2025-11-04 Satyajeet Sahoo , Jhareswar Maiti

Topic modeling, a method for extracting the underlying themes from a collection of documents, is an increasingly important component of the design of intelligent systems enabling the sense-making of highly dynamic and diverse streams of…

信息检索 · 计算机科学 2019-10-07 Chris Gropp , Alexander Herzog , Ilya Safro , Paul W. Wilson , Amy W. Apon

Extracting and identifying latent topics in large text corpora has gained increasing importance in Natural Language Processing (NLP). Most models, whether probabilistic models similar to Latent Dirichlet Allocation (LDA) or neural topic…

计算与语言 · 计算机科学 2023-03-31 Anton Thielmann , Quentin Seifert , Arik Reuter , Elisabeth Bergherr , Benjamin Säfken

With the advent and popularity of big data mining and huge text analysis in modern times, automated text summarization became prominent for extracting and retrieving important information from documents. This research investigates aspects…

信息检索 · 计算机科学 2023-05-31 Daniel F. O. Onah , Elaine L. L. Pang , Mahmoud El-Haj

One of the main computational and scientific challenges in the modern age is to extract useful information from unstructured texts. Topic models are one popular machine-learning approach which infers the latent topical structure of a…

机器学习 · 统计学 2018-07-20 Martin Gerlach , Tiago P. Peixoto , Eduardo G. Altmann

Topic modeling is a state-of-the-art technique for analyzing text corpora. It uses a statistical model, most commonly Latent Dirichlet Allocation (LDA), to discover abstract topics that occur in the document collection. However, the…

人机交互 · 计算机科学 2021-10-19 Valerie Müller , Christian Sieg , Lars Linsen

Topic models have been the prominent tools for automatic topic discovery from text corpora. Despite their effectiveness, topic models suffer from several limitations including the inability of modeling word ordering information in…

计算与语言 · 计算机科学 2022-02-10 Yu Meng , Yunyi Zhang , Jiaxin Huang , Yu Zhang , Jiawei Han

We present a novel method for hierarchical topic detection where topics are obtained by clustering documents in multiple ways. Specifically, we model document collections using a class of graphical models called hierarchical latent tree…

计算与语言 · 计算机科学 2016-12-22 Peixian Chen , Nevin L. Zhang , Tengfei Liu , Leonard K. M. Poon , Zhourong Chen , Farhan Khawar

Multiple adverse health conditions co-occurring in a patient are typically associated with poor prognosis and increased office or hospital visits. Developing methods to identify patterns of co-occurring conditions can assist in diagnosis.…

计算与语言 · 计算机科学 2017-11-30 Moumita Bhattacharya , Claudine Jurkovitz , Hagit Shatkay

Humans can learn to solve new tasks by inducing high-level strategies from example solutions to similar problems and then adapting these strategies to solve unseen problems. Can we use large language models to induce such high-level…

机器学习 · 计算机科学 2025-08-27 Weijia Xu , Nebojsa Jojic , Nicolas Le Roux

Topic modeling is a research field finding increasing applications: historically from document retrieving, to sentiment analysis and text summarization. Large Language Models (LLM) are currently a major trend in text processing, but few…

人工智能 · 计算机科学 2026-02-03 Fabrice Boissier , Monica Sen , Irina Rychkova

As electronically stored data grow in daily life, obtaining novel and relevant information becomes challenging in text mining. Thus people have sought statistical methods based on term frequency, matrix algebra, or topic modeling for text…

信息检索 · 计算机科学 2019-07-04 Clint P. George , Wei Xia , George Michailidis

The vast growth of data has rendered traditional manual inspection infeasible, necessitating the adoption of computational methods for efficient data exploration. Topic modeling has emerged as a powerful tool for analyzing large-scale…

人工智能 · 计算机科学 2025-06-30 Klara M. Gutekunst , Dominik Dürrschnabel , Johannes Hirth , Gerd Stumme

Much of information sits in an unprecedented amount of text data. Managing allocation of these large scale text data is an important problem for many areas. Topic modeling performs well in this problem. The traditional generative models…

机器学习 · 计算机科学 2015-11-30 Guorui Zhou , Guang Chen

One task that is included in managing documents is how to find substantial information inside. Topic modeling is a technique that has been developed to produce document representation in form of keywords. The keywords will be used in the…

计算与语言 · 计算机科学 2015-12-03 Derwin Suhartono
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