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Researchers and financial professionals require robust computerized tools that allow users to rapidly operationalize and assess the semantic textual content in financial news. However, existing methods commonly work at the document-level…

Information Retrieval · Computer Science 2019-01-03 Bernhard Lutz , Nicolas Pröllochs , Dirk Neumann

This essay investigates the question of how the naive Bayes classifier and the support vector machine compare in their ability to forecast the Stock Exchange of Thailand. The theory behind the SVM and the naive Bayes classifier is explored.…

Machine Learning · Computer Science 2015-12-01 Napas Udomsak

Vietnamese Speech Emotion Recognition (SER) remains challenging due to ambiguous acoustic patterns and the lack of reliable annotated data, especially in real-world conditions where emotional boundaries are not clearly separable. To address…

Computation and Language · Computer Science 2026-04-03 Truc Nguyen , Then Tran , Binh Truong , Phuoc Nguyen T. H

Textual emotion recognition has been a promising research topic in recent years. Many researchers aim to build more accurate and robust emotion detection systems. In this paper, we conduct several experiments to indicate how data…

Computation and Language · Computer Science 2020-10-28 Khang Phuoc-Quy Nguyen , Kiet Van Nguyen

Sentiment classification typically relies on a large amount of labeled data. In practice, the availability of labels is highly imbalanced among different languages, e.g., more English texts are labeled than texts in any other languages,…

Information Retrieval · Computer Science 2019-03-26 Zhenpeng Chen , Sheng Shen , Ziniu Hu , Xuan Lu , Qiaozhu Mei , Xuanzhe Liu

With the proliferation of its applications in various industries, sentiment analysis by using publicly available web data has become an active research area in text classification during these years. It is argued by researchers that…

Computation and Language · Computer Science 2013-08-06 Jimmy SJ. Ren , Wei Wang , Jiawei Wang , Stephen Shaoyi Liao

Code-mixed data is an important challenge of natural language processing because its characteristics completely vary from the traditional structures of standard languages. In this paper, we propose a novel approach called Sentiment Analysis…

Computation and Language · Computer Science 2024-03-08 Nurendra Choudhary , Rajat Singh , Ishita Bindlish , Manish Shrivastava

Multi-emotion sentiment classification is a natural language processing (NLP) problem with valuable use cases on real-world data. We demonstrate that large-scale unsupervised language modeling combined with finetuning offers a practical…

Computation and Language · Computer Science 2018-12-05 Neel Kant , Raul Puri , Nikolai Yakovenko , Bryan Catanzaro

News media coverage of monetary policy is not a passive transcript of central-bank communication: it filters announcements, macroeconomic news, and editorial choices into narratives that move expectations and policy decisions. We embed…

Econometrics · Economics 2026-05-15 Firmin Ayivodji , Etienne Briand , Kevin Moran , Dalibor Stevanovic

There is a vast amount of data generated every second due to the rapidly growing technology in the current world. This area of research attempts to determine the feelings or opinions of people on social media posts. The dataset we used was…

Computation and Language · Computer Science 2023-01-24 Keshav Kapur , Rajitha Harikrishnan

There are multiple sources of financial news online which influence market movements and trader's decisions. This highlights the need for accurate sentiment analysis, in addition to having appropriate algorithmic trading techniques, to…

Computation and Language · Computer Science 2024-03-20 Thanos Konstantinidis , Giorgos Iacovides , Mingxue Xu , Tony G. Constantinides , Danilo Mandic

Sentiment analysis (SA) is a process of identifying the emotional tone or polarity within a given text and aims to uncover the user's complex emotions and inner feelings. While sentiment analysis has been extensively studied for languages…

Machine Learning · Computer Science 2025-04-24 Hemal Mahmud , Hasan Mahmud , Mohammad Rifat Ahmmad Rashid

Political stance detection in low-resource and culturally complex settings poses a critical challenge for large language models (LLMs). In the Thai political landscape - marked by indirect language, polarized figures, and entangled…

Computation and Language · Computer Science 2025-09-29 Kasidit Sermsri , Teerapong Panboonyuen

The rise of social media is enabling people to freely express their opinions about products and services. The aim of sentiment analysis is to automatically determine subject's sentiment (e.g., positive, negative, or neutral) towards a…

Computation and Language · Computer Science 2018-08-16 Kia Dashtipour , Mandar Gogate , Ahsan Adeel , Cosimo Ieracitano , Hadi Larijani , Amir Hussain

Financial sentiment analysis plays a crucial role in decoding market trends and guiding strategic trading decisions. Despite the deployment of advanced deep learning techniques and language models to refine sentiment analysis in finance,…

Computation and Language · Computer Science 2023-11-07 Georgios Fatouros , John Soldatos , Kalliopi Kouroumali , Georgios Makridis , Dimosthenis Kyriazis

We consider the problem of classifying documents not by topic, but by overall sentiment, e.g., determining whether a review is positive or negative. Using movie reviews as data, we find that standard machine learning techniques definitively…

Computation and Language · Computer Science 2007-05-23 Bo Pang , Lillian Lee , Shivakumar Vaithyanathan

This paper describes our approach to submissions made at Shared Task 2 at BLP Workshop - Sentiment Analysis of Bangla Social Media Posts. Sentiment Analysis is an action research area in the digital age. With the rapid and constant growth…

Computation and Language · Computer Science 2023-10-24 Pratinav Seth , Rashi Goel , Komal Mathur , Swetha Vemulapalli

This paper provides a comprehensive survey of sentiment analysis within the context of artificial intelligence (AI) and large language models (LLMs). Sentiment analysis, a critical aspect of natural language processing (NLP), has evolved…

Computation and Language · Computer Science 2024-09-17 Shailja Gupta , Rajesh Ranjan , Surya Narayan Singh

The objective of this research is to examine how sentiment analysis can be employed to generate trading signals for the Foreign Exchange (Forex) market. The author assessed sentiment in social media posts and news articles pertaining to the…

Statistical Finance · Quantitative Finance 2024-03-05 Oluwafemi F Olaiyapo

Opinion mining, also known as sentiment analysis, is a subfield of natural language processing (NLP) that focuses on identifying and extracting subjective information in textual material. This can include determining the overall sentiment…

Computation and Language · Computer Science 2023-08-08 Nour Eddine Zekaoui , Siham Yousfi , Maryem Rhanoui , Mounia Mikram