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Text mining methods are used for a wide range of Software Engineering (SE) tasks. The biggest challenge of text mining is high dimensional data, i.e., a corpus of documents can contain $10^4$ to $10^6$ unique words. To address this…

Software Engineering · Computer Science 2018-05-01 Amritanshu Agrawal , Huy Tu , Tim Menzies

Probabilistic topic models like Latent Dirichlet Allocation (LDA) have been previously extended to the bilingual setting. A fundamental modeling assumption in several of these extensions is that the input corpora are in the form of document…

Computation and Language · Computer Science 2021-12-01 Georgios Balikas , Massih-Reza Amini , Marianne Clausel

Probabilistic topic models such as latent Dirichlet allocation (LDA) are popularly used with Bayesian inference methods such as Gibbs sampling to learn posterior distributions over topic model parameters. We derive a novel measure of LDA…

Computation and Language · Computer Science 2019-09-17 Linzi Xing , Michael J. Paul , Giuseppe Carenini

Student opinions for a course are important to educators and administrators, regardless of the type of the course or the institution. Reading and manually analyzing open-ended feedback becomes infeasible for massive volumes of comments at…

Computation and Language · Computer Science 2023-10-30 Anna Koufakou

Using the 6,638 case descriptions of societal impact submitted for evaluation in the Research Excellence Framework (REF 2014), we replicate the topic model (Latent Dirichlet Allocation or LDA) made in this context and compare the results…

Computation and Language · Computer Science 2018-06-05 Tobias Hecking , Loet Leydesdorff

With the rapid development of big data and computing devices, low-latency automatic trading platforms based on real-time information acquisition have become the main components of the stock trading market, so the topic of quantitative…

Computational Finance · Quantitative Finance 2023-09-22 Jiashu Lou

Predicting market movements based on the sentiment of news media has a long tradition in data analysis. With advances in natural language processing, transformer architectures have emerged that enable contextually aware sentiment…

Information Retrieval · Computer Science 2023-05-11 Himmet Kaplan , Ralf-Peter Mundani , Heiko Rölke , Albert Weichselbraun

Emotion Classification based on text is a task with many applications which has received growing interest in recent years. This paper presents a preliminary study with the goal to help researchers and practitioners gain insight into…

Computation and Language · Computer Science 2023-03-01 Anna Koufakou , Jairo Garciga , Adam Paul , Joseph Morelli , Christopher Frank

In recent years, there has been increased interest in building predictive models that harness natural language processing and machine learning techniques to detect emotions from various text sources, including social media posts,…

Computation and Language · Computer Science 2022-12-20 Sourabh Zanwar , Daniel Wiechmann , Yu Qiao , Elma Kerz

Supervised topic models can help clinical researchers find interpretable cooccurence patterns in count data that are relevant for diagnostics. However, standard formulations of supervised Latent Dirichlet Allocation have two problems.…

Machine Learning · Statistics 2016-12-07 Michael C. Hughes , Huseyin Melih Elibol , Thomas McCoy , Roy Perlis , Finale Doshi-Velez

Sentiment analysis (SA) has been, and is still, a thriving research area. However, the task of Arabic sentiment analysis (ASA) is still underrepresented in the body of research. This study offers the first in-depth and in-breadth analysis…

Computation and Language · Computer Science 2024-03-05 Latifah Almurqren , Ryan Hodgson , Alexandra Cristea

Efficient textual data distributions (TDD) alignment and generation are open research problems in textual analytics and NLP. It is presently difficult to parsimoniously and methodologically confirm that two or more natural language datasets…

Computation and Language · Computer Science 2021-07-06 Jim Samuel , Ratnakar Palle , Eduardo Correa Soares

Sentiment analysis, especially for long documents, plausibly requires methods capturing complex linguistics structures. To accommodate this, we propose a novel framework to exploit task-related discourse for the task of sentiment analysis.…

Computation and Language · Computer Science 2020-11-06 Patrick Huber , Giuseppe Carenini

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…

Computation and Language · Computer Science 2016-06-02 Georgios Balikas , Massih-Reza Amini , Marianne Clausel

We study the problem of topic modeling in corpora whose documents are organized in a multi-level hierarchy. We explore a parametric approach to this problem, assuming that the number of topics is known or can be estimated by…

Machine Learning · Statistics 2015-04-14 Do-kyum Kim , Geoffrey M. Voelker , Lawrence K. Saul

This paper presents our submission to SemEval-2021 Task 5: Toxic Spans Detection. The purpose of this task is to detect the spans that make a text toxic, which is a complex labour for several reasons. Firstly, because of the intrinsic…

Computation and Language · Computer Science 2021-08-03 Rafel Palliser-Sans , Albert Rial-Farràs

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…

Information Retrieval · Computer Science 2018-07-20 Kaveh Bastani , Hamed Namavari , Jeffry Shaffer

Today's business ecosystem has become very competitive. Customer satisfaction has become a major focus for business growth. Business organizations are spending a lot of money and human resources on various strategies to understand and…

Computation and Language · Computer Science 2021-10-05 Md. Taufiqul Haque Khan Tusar , Md. Touhidul Islam

Software repositories contain large amounts of textual data, ranging from source code comments and issue descriptions to questions, answers, and comments on Stack Overflow. To make sense of this textual data, topic modelling is frequently…

Computation and Language · Computer Science 2019-03-12 Christoph Treude , Markus Wagner

As automated trading gains traction in the financial market, algorithmic investment strategies are increasingly prominent. While Large Language Models (LLMs) and Agent-based models exhibit promising potential in real-time market analysis…

Multiagent Systems · Computer Science 2025-02-20 Xiangyu Li , Yawen Zeng , Xiaofen Xing , Jin Xu , Xiangmin Xu