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相关论文: Comparison of Topic Modelling Approaches in the Ba…

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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

This study explores the use of Large language models to analyze therapist remarks in a psychotherapeutic setting. The paper focuses on the application of BERTopic, a machine learning-based topic modeling tool, to the dialogue of two…

机器学习 · 计算机科学 2024-12-24 Alexander Vanin , Vadim Bolshev , Anastasia Panfilova

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

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…

信息检索 · 计算机科学 2018-12-21 Hamed Jelodar , Yongli Wang , Mahdi Rabbani , Ru-xin Zhao , Seyedvalyallah Ayobi , Peng Hu , Isma Masood

This study compares the effectiveness of BERTopic and Probabilistic Latent Semantic Analysis (PLSA) in extracting meaningful topics from aviation safety reports aiming to enhance the understanding of patterns in aviation incident data.…

信息检索 · 计算机科学 2025-06-10 Aziida Nanyonga , Joiner Keith , Turhan Ugur , Wild Graham

Topic modeling has become a crucial method for analyzing text data, particularly for extracting meaningful insights from large collections of documents. However, the output of these models typically consists of lists of keywords that…

信息检索 · 计算机科学 2025-02-27 Trishia Khandelwal

Social media constitutes a rich and influential source of information for qualitative researchers. Although computational techniques like topic modelling assist with managing the volume and diversity of social media content, qualitative…

人机交互 · 计算机科学 2024-12-20 Amandeep Kaur , James R. Wallace

Research background: With the continuous development of society, consumers pay more attention to the key information of product fine-grained attributes when shopping. Research purposes: This study will fine tune the Sentence-BERT word…

计算与语言 · 计算机科学 2025-04-14 Jianheng Li , Lirong Chen

This study applies BERTopic, a transformer-based topic modeling technique, to the lmsys-chat-1m dataset, a multilingual conversational corpus built from head-to-head evaluations of large language models (LLMs). Each user prompt is paired…

机器学习 · 计算机科学 2025-10-10 Abhay Bhandarkar , Gaurav Mishra , Khushi Juchani , Harsh Singhal

Topic models such as Latent Dirichlet Allocation (LDA) have been widely used in information retrieval for tasks ranging from smoothing and feedback methods to tools for exploratory search and discovery. However, classical methods for…

分布式、并行与集群计算 · 计算机科学 2017-06-20 Rolf Jagerman , Carsten Eickhoff , Maarten de Rijke

Topic models are a popular tool for understanding text collections, but their evaluation has been a point of contention. Automated evaluation metrics such as coherence are often used, however, their validity has been questioned for neural…

计算与语言 · 计算机科学 2024-02-21 Zongxia Li , Andrew Mao , Daniel Stephens , Pranav Goel , Emily Walpole , Alden Dima , Juan Fung , Jordan Boyd-Graber

Web access today occurs predominantly through mobile devices, with Android representing a significant share of the mobile device market. This widespread usage makes Android a prime target for malicious attacks. Despite efforts to combat…

密码学与安全 · 计算机科学 2025-03-25 Nishavi Ranaweera , Jiarui Xu , Suranga Seneviratne , Aruna Seneviratne

An increasing number of people are using online social networking services (SNSs), and a significant amount of information related to experiences in consumption is shared in this new media form. Text mining is an emerging technique for…

计算与语言 · 计算机科学 2016-11-18 Eun Hee Ko , Diego Klabjan

Aviation safety is a global concern, requiring detailed investigations into incidents to understand contributing factors comprehensively. This study uses the National Transportation Safety Board (NTSB) dataset. It applies advanced natural…

人工智能 · 计算机科学 2025-01-15 Aziida Nanyonga , Hassan Wasswa , Ugur Turhan , Keith Joiner , Graham Wild

The topic modeling discovers the latent topic probability of the given text documents. To generate the more meaningful topic that better represents the given document, we proposed a new feature extraction technique which can be used in the…

机器学习 · 计算机科学 2018-04-13 Ziyi Zhao , Krittaphat Pugdeethosapol , Sheng Lin , Zhe Li , Caiwen Ding , Yanzhi Wang , Qinru Qiu

A text mining approach is proposed based on latent Dirichlet allocation (LDA) to analyze the Consumer Financial Protection Bureau (CFPB) consumer complaints. The proposed approach aims to extract latent topics in the CFPB complaint…

信息检索 · 计算机科学 2018-07-20 Kaveh Bastani , Hamed Namavari , Jeffry Shaffer

In this work, automatic analysis of themes contained in a large corpora of judgments from public procurement domain is performed. The employed technique is unsupervised latent Dirichlet allocation (LDA). In addition, it is proposed, to use…

计算与语言 · 计算机科学 2014-12-18 Michał Łopuszyński

Background: Unstructured and textual data is increasing rapidly and Latent Dirichlet Allocation (LDA) topic modeling is a popular data analysis methods for it. Past work suggests that instability of LDA topics may lead to systematic errors.…

计算与语言 · 计算机科学 2018-09-04 Mika Mäntylä , Maëlick Claes , Umar Farooq

Probabilistic topic models are generative models that describe the content of documents by discovering the latent topics underlying them. However, the structure of the textual input, and for instance the grouping of words in coherent text…

计算与语言 · 计算机科学 2016-06-02 Georgios Balikas , Massih-Reza Amini , Marianne Clausel

The problem of searching for experts in a given academic field is hugely important in both industry and academia. We study exactly this issue with respect to a database of authors and their publications. The idea is to use Latent Semantic…

社会与信息网络 · 计算机科学 2013-11-26 Charanpal Dhanjal , Stéphan Clémençon