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相关论文: Topic Modeling in the Voynich Manuscript

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Topic modeling is a powerful technique to discover hidden topics and patterns within a collection of documents without prior knowledge. Traditional topic modeling and clustering-based techniques encounter challenges in capturing contextual…

计算与语言 · 计算机科学 2024-10-04 Melkamu Abay Mersha , Mesay Gemeda yigezu , Jugal Kalita

Topic models are a useful analysis tool to uncover the underlying themes within document collections. The dominant approach is to use probabilistic topic models that posit a generative story, but in this paper we propose an alternative way…

计算与语言 · 计算机科学 2020-10-08 Suzanna Sia , Ayush Dalmia , Sabrina J. Mielke

Manually determining concepts present in a group of questions is a challenging and time-consuming process. However, the process is an essential step while modeling a virtual learning environment since a mapping between concepts and…

机器学习 · 计算机科学 2021-04-23 Laura O. Moraes , Carlos Eduardo Pedreira

Topic modelling is a text mining technique for identifying salient themes from a number of documents. The output is commonly a set of topics consisting of isolated tokens that often co-occur in such documents. Manual effort is often…

计算与语言 · 计算机科学 2024-04-26 Lowri Williams , Eirini Anthi , Laura Arman , Pete Burnap

Topic modeling is an unsupervised method for revealing the hidden semantic structure of a corpus. It has been increasingly widely adopted as a tool in the social sciences, including political science, digital humanities and sociological…

信息检索 · 计算机科学 2022-01-12 Zheng Fang , Yulan He , Rob Procter

Probabilistic topic models are widely used to discover latent topics in document collections, while latent feature vector representations of words have been used to obtain high performance in many NLP tasks. In this paper, we extend two…

计算与语言 · 计算机科学 2018-10-16 Dat Quoc Nguyen , Richard Billingsley , Lan Du , Mark Johnson

Topic Modeling is an approach used for automatic comprehension and classification of data in a variety of settings, and perhaps the canonical application is in uncovering thematic structure in a corpus of documents. A number of foundational…

机器学习 · 计算机科学 2012-04-13 Sanjeev Arora , Rong Ge , Ankur Moitra

Topic modeling is used for discovering latent semantic structure, usually referred to as topics, in a large collection of documents. The most widely used methods are Latent Dirichlet Allocation and Probabilistic Latent Semantic Analysis.…

计算与语言 · 计算机科学 2020-08-24 Dimo Angelov

Contextualised word vectors obtained via pre-trained language models encode a variety of knowledge that has already been exploited in applications. Complementary to these language models are probabilistic topic models that learn thematic…

计算与语言 · 计算机科学 2023-01-12 Mozhgan Talebpour , Alba Garcia Seco de Herrera , Shoaib Jameel

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,…

计算与语言 · 计算机科学 2024-08-27 Manuel V. Loureiro , Steven Derby , Tri Kurniawan Wijaya

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

When dealing with large collections of documents, it is imperative to quickly get an overview of the texts' contents. In this paper we show how this can be achieved by using a clustering algorithm to identify topics in the dataset and then…

计算与语言 · 计算机科学 2017-07-20 Franziska Horn , Leila Arras , Grégoire Montavon , Klaus-Robert Müller , Wojciech Samek

Document clustering and topic modeling are two closely related tasks which can mutually benefit each other. Topic modeling can project documents into a topic space which facilitates effective document clustering. Cluster labels discovered…

机器学习 · 计算机科学 2013-09-27 Pengtao Xie , Eric P. Xing

Topic Modeling is a popular statistical tool commonly used on textual data to identify the hidden thematic structure in a document collection based on the distribution of words. Additionally, it can be used to cluster the documents, with…

应用统计 · 统计学 2025-01-24 Namitha V. Pais , Scott H. Holan , Paul A. Parker

This paper presents a modified neural model for topic detection from a corpus and proposes a new metric to evaluate the detected topics. The new model builds upon the embedded topic model incorporating some modifications such as document…

计算与语言 · 计算机科学 2023-06-09 Tomoya Kitano , Yuto Miyatake , Daisuke Furihata

Topic models can be useful tools to discover latent topics in collections of documents. Recent studies have shown the feasibility of approach topic modeling as a clustering task. We present BERTopic, a topic model that extends this process…

计算与语言 · 计算机科学 2022-03-14 Maarten Grootendorst

We propose a new algorithm for topic modeling, Vec2Topic, that identifies the main topics in a corpus using semantic information captured via high-dimensional distributed word embeddings. Our technique is unsupervised and generates a list…

计算与语言 · 计算机科学 2016-03-16 Ramandeep S Randhawa , Parag Jain , Gagan Madan

Topic models are probabilistic models for discovering topical themes in collections of documents. In real world applications, these models provide us with the means of organizing what would otherwise be unstructured collections. They can…

信息检索 · 计算机科学 2015-03-06 Wesam Elshamy

User behaviour analysis based on traffic log in wireless networks can be beneficial to many fields in real life: not only for commercial purposes, but also for improving network service quality and social management. We cluster users into…

社会与信息网络 · 计算机科学 2015-11-19 Bingjie Leng , Jingchu Liu , Huimin Pan , Sheng Zhou , Zhisheng Niu

Topic modeling is commonly used to analyze and understand large document collections. However, in practice, users want to focus on specific aspects or "targets" rather than the entire corpus. For example, given a large collection of…

信息检索 · 计算机科学 2019-07-30 Hannah Kim , Dongjin Choi , Barry Drake , Alex Endert , Haesun Park
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