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Sentiment analysis is an essential part of text analysis, which is a larger field that includes determining and evaluating the author's emotional state. This method is essential since it makes it easier to comprehend consumers' feelings,…

计算与语言 · 计算机科学 2025-10-03 Sumaiya Tabassum

This paper studies continual learning (CL) of a sequence of aspect sentiment classification(ASC) tasks in a particular CL setting called domain incremental learning (DIL). Each task is from a different domain or product. The DIL setting is…

计算与语言 · 计算机科学 2021-12-21 Zixuan Ke , Bing Liu , Hu Xu , Lei Shu

Neural methods for SA have led to quantitative improvements over previous approaches, but these advances are not always accompanied with a thorough analysis of the qualitative differences. Therefore, it is not clear what outstanding…

计算与语言 · 计算机科学 2019-06-17 Jeremy Barnes , Lilja Øvrelid , Erik Velldal

Mining financial text documents and understanding the sentiments of individual investors, institutions and markets is an important and challenging problem in the literature. Current approaches to mine sentiments from financial texts largely…

信息检索 · 计算机科学 2018-11-28 Srikumar Krishnamoorthy

Sentiment Analysis (SA) is an indispensable task for many real-world applications. Compared to limited resourced languages (i.e., Arabic, Bengali), most of the research on SA are conducted for high resourced languages (i.e., English,…

计算与语言 · 计算机科学 2024-07-30 Md. Atabuzzaman , Md Shajalal , Maksuda Bilkis Baby , Alexander Boden

Large Language Models (LLMs) often exhibit strong linguistic abilities while remaining unreliable on multi-step reasoning tasks, particularly when deployed without additional training or fine-tuning. In this work, we study inference-time…

计算与语言 · 计算机科学 2026-03-24 Vinay Sharma , Manish Jain

The performance of a cross-sectional currency strategy depends crucially on accurately ranking instruments prior to portfolio construction. While this ranking step is traditionally performed using heuristics, or by sorting the outputs…

投资组合管理 · 定量金融 2022-01-31 Daniel Poh , Bryan Lim , Stefan Zohren , Stephen Roberts

Sentiment analysis methods have become popular for investigating human communication, including discussions related to software projects. Since general-purpose sentiment analysis tools do not fit well with the information exchanged by…

软件工程 · 计算机科学 2021-04-22 Nicole Novielli , Fabio Calefato , Filippo Lanubile , Alexander Serebrenik

Sentiment classification (SC) often suffers from low-resource challenges such as domain-specific contexts, imbalanced label distributions, and few-shot scenarios. The potential of the diffusion language model (LM) for textual data…

计算与语言 · 计算机科学 2024-09-24 Zhuowei Chen , Lianxi Wang , Yuben Wu , Xinfeng Liao , Yujia Tian , Junyang Zhong

Aspect-category sentiment analysis (ACSA) aims to predict sentiment polarities of sentences with respect to given aspect categories. To detect the sentiment toward a particular aspect category in a sentence, most previous methods first…

计算与语言 · 计算机科学 2020-10-07 Yuncong Li , Cunxiang Yin , Sheng-hua Zhong , Xu Pan

The state-of-the-art solutions for Aspect-Level Sentiment Analysis (ALSA) were built on a variety of deep neural networks (DNN), whose efficacy depends on large amounts of accurately labeled training data. Unfortunately, high-quality…

机器学习 · 计算机科学 2019-07-02 Yanyan Wang , Qun Chen , Jiquan Shen , Boyi Hou , Murtadha Ahmed , Zhanhuai Li

Semi-supervised Fine-Grained Recognition is a challenge task due to the difficulty of data imbalance, high inter-class similarity and domain mismatch. Recent years, this field has witnessed great progress and many methods has gained great…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Hao Chang , Guochen Xie , Jun Yu , Qiang Ling

While semi-supervised learning (SSL) has yielded promising results, the more realistic SSL scenario remains to be explored, in which the unlabeled data exhibits extremely high recognition difficulty, e.g., fine-grained visual classification…

机器学习 · 计算机科学 2023-12-20 Yue Duan , Zhen Zhao , Lei Qi , Luping Zhou , Lei Wang , Yinghuan Shi

It remains a question that how simultaneous interpretation (SI) data affects simultaneous machine translation (SiMT). Research has been limited due to the lack of a large-scale training corpus. In this work, we aim to fill in the gap by…

计算与语言 · 计算机科学 2024-04-02 Jinming Zhao , Yuka Ko , Kosuke Doi , Ryo Fukuda , Katsuhito Sudoh , Satoshi Nakamura

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

Text sentiment analysis, also known as opinion mining, is research on the calculation of people's views, evaluations, attitude and emotions expressed by entities. Text sentiment analysis can be divided into text-level sentiment analysis,…

计算与语言 · 计算机科学 2022-07-08 Tianyu Zhao , Junping Du , Zhe Xue , Ang Li , Zeli Guan

We consider the task of fine-grained sentiment analysis from the perspective of multiple instance learning (MIL). Our neural model is trained on document sentiment labels, and learns to predict the sentiment of text segments, i.e. sentences…

计算与语言 · 计算机科学 2018-01-29 Stefanos Angelidis , Mirella Lapata

Sentiment analysis is the process of identifying and extracting subjective information from text. Despite the advances to employ cross-lingual approaches in an automatic way, the implementation and evaluation of sentiment analysis systems…

计算与语言 · 计算机科学 2023-04-11 Razhan Hameed , Sina Ahmadi , Fatemeh Daneshfar

Aspect-based sentiment analysis predicts sentiment polarity with fine granularity. While graph convolutional networks (GCNs) are widely utilized for sentimental feature extraction, their naive application for syntactic feature extraction…

计算与语言 · 计算机科学 2024-09-10 Chen Li , Huidong Tang , Jinli Zhang , Xiujing Guo , Debo Cheng , Yasuhiko Morimoto

Aspect-category sentiment analysis provides granular insights by identifying specific themes within product reviews that are associated with particular opinions. Supervised learning approaches dominate the field. However, data is scarce and…

计算与语言 · 计算机科学 2025-08-26 Filippos Ventirozos , Peter Appleby , Matthew Shardlow
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