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This study introduces an interpretable machine learning (ML) framework to extract macroeconomic alpha from global news sentiment. We process the Global Database of Events, Language, and Tone (GDELT) Project's worldwide news feed using…

Computational Finance · Quantitative Finance 2025-05-23 Yuke Zhang

Recent work in large language modeling (LLMs) has used fine-tuning to align outputs with the preferences of a prototypical user. This work assumes that human preferences are static and homogeneous across individuals, so that aligning to a a…

This paper presents a novel hierarchical framework for portfolio optimization, integrating lightweight Large Language Models (LLMs) with Deep Reinforcement Learning (DRL) to combine sentiment signals from financial news with traditional…

Computation and Language · Computer Science 2025-08-01 Baptiste Lefort , Eric Benhamou , Beatrice Guez , Jean-Jacques Ohana , Ethan Setrouk , Alban Etienne

There has been a good amount of progress in sentiment analysis over the past 10 years, including the proposal of new methods and the creation of benchmark datasets. In some papers, however, there is a tendency to compare models only on one…

Computation and Language · Computer Science 2017-09-14 Jeremy Barnes , Roman Klinger , Sabine Schulte im Walde

While training large language models (LLMs) from scratch can indeed lead to models with distinct capabilities and strengths, it incurs substantial costs and may lead to redundancy in competencies. Knowledge fusion aims to integrate existing…

Computation and Language · Computer Science 2024-08-16 Fanqi Wan , Longguang Zhong , Ziyi Yang , Ruijun Chen , Xiaojun Quan

The exponential growth of online textual content across diverse domains has necessitated advanced methods for automated text classification. Large Language Models (LLMs) based on transformer architectures have shown significant success in…

Computation and Language · Computer Science 2025-09-09 Zhyar Rzgar K Rostam , Gábor Kertész

We introduce PGF-Net (Progressive Gated-Fusion Network), a novel deep learning framework designed for efficient and interpretable multimodal sentiment analysis. Our framework incorporates three primary innovations. Firstly, we propose a…

Machine Learning · Computer Science 2025-08-25 Bin Wen , Tien-Ping Tan

Many domain experts do not have the time or expertise to write formal Bayesian models. This paper takes an informal problem description as input, and combines a large language model and a probabilistic programming language to define a joint…

Machine Learning · Computer Science 2025-10-27 Justin Domke

The integration of Large Language Models (LLMs) into financial analysis has garnered significant attention in the NLP community. This paper presents our solution to IJCAI-2024 FinLLM challenge, investigating the capabilities of LLMs within…

Computational Engineering, Finance, and Science · Computer Science 2024-07-03 Yupeng Cao , Zhiyuan Yao , Zhi Chen , Zhiyang Deng

This paper addresses the critical disconnect between prediction and decision quality in portfolio optimization by integrating Large Language Models (LLMs) with decision-focused learning. We demonstrate both theoretically and empirically…

Portfolio Management · Quantitative Finance 2025-02-04 Yoontae Hwang , Yaxuan Kong , Stefan Zohren , Yongjae Lee

The fusion of public sentiment data in the form of text with stock price prediction is a topic of increasing interest within the financial community. However, the research literature seldom explores the application of investor sentiment in…

Portfolio Management · Quantitative Finance 2022-03-14 Mufhumudzi Muthivhi , Terence L. van Zyl

Sentiment analysis is an essential component of natural language processing, used to analyze sentiments, attitudes, and emotional tones in various contexts. It provides valuable insights into public opinion, customer feedback, and user…

Computation and Language · Computer Science 2025-01-24 Kshitij Dave , Nouhaila Innan , Bikash K. Behera , Zahid Mumtaz , Saif Al-Kuwari , Ahmed Farouk

This study presents a comprehensive comparative evaluation of four state-of-the-art Large Language Models (LLMs)--Claude 3.7 Sonnet, DeepSeek-V3, Gemini 2.0 Flash, and GPT-4o--for sentiment analysis and emotion detection in Persian social…

Computation and Language · Computer Science 2025-09-19 Kian Tohidi , Kia Dashtipour , Simone Rebora , Sevda Pourfaramarz

This paper presents a novel approach to sentiment classification using the application of Combinatorial Fusion Analysis (CFA) to integrate an ensemble of diverse machine learning models, achieving state-of-the-art accuracy on the IMDB…

Machine Learning · Computer Science 2025-11-03 Sean Patten , Pin-Yu Chen , Christina Schweikert , D. Frank Hsu

Knowledge Bases (KBs) are easy to query, verifiable, and interpretable. They however scale with man-hours and high-quality data. Masked Language Models (MLMs), such as BERT, scale with computing power as well as unstructured raw text data.…

Computation and Language · Computer Science 2020-09-16 Louis Clouatre , Philippe Trempe , Amal Zouaq , Sarath Chandar

The emergence of large language models (LLMs) has significantly transformed natural language processing (NLP), enabling more generalized models to perform various tasks with minimal training. However, traditional sentiment analysis methods,…

Computation and Language · Computer Science 2026-01-13 Keito Inoshita , Xiaokang Zhou , Akira Kawai

Software development involves collaborative interactions where stakeholders express opinions across various platforms. Recognizing the sentiments conveyed in these interactions is crucial for the effective development and ongoing…

Software Engineering · Computer Science 2026-04-22 Ting Zhang , Ivana Clairine Irsan , Ferdian Thung , David Lo

With the internet's evolution, consumers increasingly rely on online reviews for service or product choices, necessitating that businesses analyze extensive customer feedback to enhance their offerings. While machine learning-based…

Computation and Language · Computer Science 2025-02-06 Yejian Zhang , Shingo Takada

Recently by the development of the Internet and the Web, different types of social media such as web blogs become an immense source of text data. Through the processing of these data, it is possible to discover practical information about…

Computation and Language · Computer Science 2019-03-12 Masoud Fatemi , Mehran Safayani

We propose a new shallow fusion (SF) method to exploit an external backward language model (BLM) for end-to-end automatic speech recognition (ASR). The BLM has complementary characteristics with a forward language model (FLM), and the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-22 Atsunori Ogawa , Takafumi Moriya , Naoyuki Kamo , Naohiro Tawara , Marc Delcroix