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A Topic Coverage Approach to Evaluation of Topic Models

open access: yesIEEE Access, 2021
Topic models are widely used unsupervised models capable of learning topics – weighted lists of words and documents – from large collections of text documents.
Damir Korencic   +3 more
doaj   +1 more source

Topic Model Combining Topic Word Embedding and Attention Mechanism [PDF]

open access: yesJisuanji gongcheng, 2020
With the popularity of social software,mining effective information from massive digital documents has been a hotspot.The classic topic models including LDA and LSA capture topic information based on word co-occurrence and ignore the context information ...
QIN Tingting, LIU Zheng, CHEN Kejia
doaj   +1 more source

Recurrent Embedded Topic Model

open access: yesApplied Sciences, 2023
In this paper we propose the Recurrent Embedded Topic Model (RETM) which is a modification of the Embedded Topic Modelling (ETM) by reusing the Continuous Bag of Words (CBOW) that the model had implemented and applying it to a recurrent neural network ...
Carlos Vargas, Hiram Ponce
doaj   +1 more source

Critical Uncertainty Analysis of the Application of New-Generation Digital Technology in China’s Construction Industry—A Study Based on the LDA-DEMATEL-ISM Improvement Model

open access: yesApplied Sciences, 2023
As the main driving force for the digital transformation of the construction industry, the uncertainty of digital technology in the application process has seriously hindered the high-quality development of the construction industry.
Hui Li   +5 more
doaj   +1 more source

The Combination of Contextualized Topic Model and MPNet for User Feedback Topic Modeling

open access: yesIEEE Access, 2023
In the era of big data and ubiquitous internet connectivity, user feedback data plays a crucial role in product development and improvement. However, extracting valuable insights from the vast pool of unstructured text data found in user feedback ...
Mohammad Hamid Asnawi   +3 more
doaj   +1 more source

Differential Topic Models [PDF]

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2015
In applications we may want to compare different document collections: they could have shared content but also different and unique aspects in particular collections. This task has been called comparative text mining or cross-collection modeling.
Chen, Changyou   +4 more
openaire   +3 more sources

Micro-blog topic detection algorithm based on topic model

open access: yes网络与信息安全学报, 2016
Micro-blog data has the characteristic of real-time,volume,short-text,and noise-rich.So it is a challenge for the traditional topic detection technology.A novel micro-blog topic detection algorithm based on topic model was proposed.Firstly,the micro-blog
Hua-jun HUANG   +2 more
doaj   +3 more sources

Application of Topic Models in the Analysis of Public Policy: A Review of the Research Status in Domestic and Foreign

open access: yesZhishi guanli luntan, 2020
[Purpose/significance] This paper comprehensively summarizes the application of topic models in public policy texts, which helps researchers learn from existing research results and provides theoretical and practical support
Long Yixuan , Yi Huifang
doaj   +1 more source

A Cross-Platform Personalized Recommender System for Connecting E-Commerce and Social Network

open access: yesFuture Internet, 2022
In this paper, we build a recommender system for a new study area: social commerce, which combines rich information about social network users and products on an e-commerce platform.
Jiaxu Zhao   +3 more
doaj   +1 more source

Semantic Recognition of Ship Motion Patterns Entering and Leaving Port Based on Topic Model

open access: yesJournal of Marine Science and Engineering, 2022
Recognition and understanding of ship motion patterns have excellent application value for ship navigation and maritime supervision, i.e., route planning and maritime risk assessment.
Gaocai Li   +5 more
doaj   +1 more source

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