中文
相关论文

相关论文: Removing Non-Stationary Knowledge From Pre-Trained…

200 篇论文

Misinformation and fake news have become a pressing societal challenge, driving the need for reliable automated detection methods. Prior research has highlighted sentiment as an important signal in fake news detection, either by analyzing…

计算与语言 · 计算机科学 2026-01-22 Sahar Tahmasebi , Eric Müller-Budack , Ralph Ewerth

The innovation of the study is that the deep learning method and sentiment analysis are integrated in traditional business model analysis and forecasting, and the research subject is TSMC for industry trend prediction of semiconductor…

机器学习 · 计算机科学 2025-11-20 Wei-hsiang Yen , Lyn Chao-ling Chen

Central bank communication plays a critical role in shaping economic expectations and monetary policy effectiveness. This study applies supervised machine learning techniques to classify the sentiment of press releases from the Bank of…

机器学习 · 计算机科学 2025-03-31 Stefano Grassi

Sentiment-based stock prediction systems aim to explore sentiment or event signals from online corpora and attempt to relate the signals to stock price variations. Both the feature-based and neural-networks-based approaches have delivered…

计算与语言 · 计算机科学 2020-08-19 Yue Zhou , Kerstin Voigt

Aspect-based sentiment analysis (ABSA) is a crucial fine-grained task in social media scenarios to identify the sentiment polarity of specific aspect terms in a sentence. Although many existing studies leverage large language models (LLMs)…

计算与语言 · 计算机科学 2025-07-15 Junjie Liu , Yuanhe Tian , Yan Song

Sentiment analysis benefits from large, hand-annotated resources in order to train and test machine learning models, which are often data hungry. While some languages, e.g., English, have a vast array of these resources, most…

计算与语言 · 计算机科学 2019-06-26 Jeremy Barnes , Roman Klinger

Customer-provided reviews have become an important source of information for business owners and other customers alike. However, effectively analyzing millions of unstructured reviews remains challenging. While large language models (LLMs)…

计算与语言 · 计算机科学 2026-02-25 Vishal Patil , Shree Vaishnavi Bacha , Revanth Yamani , Yidan Sun , Mayank Kejriwal

Aspect-based sentiment analysis (ABSA) identifies sentiment information related to specific aspects and provides deeper market insights to businesses and organizations. With the emergence of large language models (LMs), recent studies have…

计算与语言 · 计算机科学 2024-05-30 Guangmin Zheng , Jin Wang , Liang-Chih Yu , Xuejie Zhang

As an application domain where the slightest qualitative improvements can yield immense value, finance is a promising candidate for early quantum advantage. Focusing on the rapidly advancing field of Quantum Natural Language Processing…

Model editing aims at selectively updating a small subset of a neural model's parameters with an interpretable strategy to achieve desired modifications. It can significantly reduce computational costs to adapt to large language models…

计算与语言 · 计算机科学 2025-03-20 Shichen Li , Zhongqing Wang , Zheyu Zhao , Yue Zhang , Peifeng Li

This study proposes DisSim-FinBERT, a novel framework that integrates Discourse Simplification (DisSim) with Aspect-Based Sentiment Analysis (ABSA) to enhance sentiment prediction in complex financial texts. By simplifying intricate…

计量经济学 · 经济学 2026-03-10 Wonseong Kim , Christina Niklaus , Choong Lyol Lee , Siegfried Handschuh

Detecting and aggregating sentiments toward people, organizations, and events expressed in unstructured social media have become critical text mining operations. Early systems detected sentiments over whole passages, whereas more recently,…

机器学习 · 计算机科学 2019-02-11 Divam Gupta , Kushagra Singh , Soumen Chakrabarti , Tanmoy Chakraborty

Aspect sentiment classification (ASC) aims at determining sentiments expressed towards different aspects in a sentence. While state-of-the-art ASC models have achieved remarkable performance, they are recently shown to suffer from the issue…

计算与语言 · 计算机科学 2021-06-01 Fang Ma , Chen Zhang , Dawei Song

This paper presents a novel approach for multi-lingual sentiment classification in short texts. This is a challenging task as the amount of training data in languages other than English is very limited. Previously proposed multi-lingual…

In this study, we explore the application of sentiment analysis on financial news headlines to understand investor sentiment. By leveraging Natural Language Processing (NLP) and Large Language Models (LLM), we analyze sentiment from the…

计算与语言 · 计算机科学 2024-06-21 Kangtong Mo , Wenyan Liu , Xuanzhen Xu , Chang Yu , Yuelin Zou , Fangqing Xia

Aspect-based sentiment analysis (ABSA), a popular research area in NLP has two distinct parts -- aspect extraction (AE) and labeling the aspects with sentiment polarity (ALSA). Although distinct, these two tasks are highly correlated. The…

By capturing the prevailing sentiment and market mood, textual data has become increasingly vital for forecasting commodity prices, particularly in metal markets. However, the effectiveness of lightweight, finetuned large language models…

机器学习 · 计算机科学 2026-04-01 Alvaro Paredes Amorin , Andre Python , Christoph Weisser

Aspect-based sentiment analysis (ABSA) predicts sentiment polarity towards a specific aspect in the given sentence. While pre-trained language models such as BERT have achieved great success, incorporating dynamic semantic changes into ABSA…

计算与语言 · 计算机科学 2022-11-24 Kai Zhang , Kun Zhang , Mengdi Zhang , Hongke Zhao , Qi Liu , Wei Wu , Enhong Chen

Financial sentiment analysis is crucial for trading and investment decision-making. This study introduces an adaptive retrieval augmented framework for Large Language Models (LLMs) that aligns with human instructions through Instruction…

计算工程、金融与科学 · 计算机科学 2024-10-22 Zijie Zhao , Roy E. Welsch

Large language models (LLMs) are increasingly being applied across various specialized fields, leveraging their extensive knowledge to empower a multitude of scenarios within these domains. However, each field encompasses a variety of…

计算与语言 · 计算机科学 2024-04-09 Yuhang Zhou , Zeping Li , Siyu Tian , Yuchen Ni , Sen Liu , Guangnan Ye , Hongfeng Chai