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Aspect category sentiment analysis has attracted increasing research attention. The dominant methods make use of pre-trained language models by learning effective aspect category-specific representations, and adding specific output layers…

计算与语言 · 计算机科学 2021-10-15 Jian Liu , Zhiyang Teng , Leyang Cui , Hanmeng Liu , Yue Zhang

The goal of this paper is to evaluate the informational content of sentiment extracted from news articles about the state of the economy. We propose a fine-grained aspect-based sentiment analysis that has two main characteristics: 1) we…

计算工程、金融与科学 · 计算机科学 2022-03-30 Luca Barbaglia , Sergio Consoli , Sebastiano Manzan

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

Aspect-based sentiment analysis (ABSA) requires models to bind sentiment evidence to the correct aspect, making it a natural testbed for fine-grained structural reasoning. We introduce GHI, a Graphormer-over-Conditioned-Hypergraph-Incidence…

计算与语言 · 计算机科学 2026-05-22 Yu Du , Wenlong Zhu , Xingze Li , Chenglong Cao , Jing Wang , Yukun Ma

Aspect-based sentiment analysis is of great importance and application because of its ability to identify all aspects discussed in the text. However, aspect-based sentiment analysis will be most effective when, in addition to identifying…

计算与语言 · 计算机科学 2023-08-30 Milad Vazan , Fatemeh Sadat Masoumi , Sepideh Saeedi Majd

Aspect-oriented Fine-grained Opinion Extraction (AFOE) aims at extracting aspect terms and opinion terms from review in the form of opinion pairs or additionally extracting sentiment polarity of aspect term to form opinion triplet. Because…

计算与语言 · 计算机科学 2020-11-04 Zhen Wu , Chengcan Ying , Fei Zhao , Zhifang Fan , Xinyu Dai , Rui Xia

In many real-world applications, such as customer feedback monitoring, brand reputation management, and product health tracking, understanding the temporal dynamics of user sentiment is crucial for early detection of anomalous events such…

计算与语言 · 计算机科学 2026-04-02 Yalun Qi , Sichen Zhao , Zhiming Xue , Xianling Zeng , Zihan Yu

Aspect-level sentiment analysis aims to determine the sentiment polarity towards a specific target in a sentence. The main challenge of this task is to effectively model the relation between targets and sentiments so as to filter out noisy…

计算与语言 · 计算机科学 2022-11-08 Lvxiaowei Xu , Xiaoxuan Pang , Jianwang Wu , Ming Cai , Jiawei Peng

Factor analysis is a statistical technique employed to evaluate how observed variables correlate through common factors and unique variables. While it is often used to analyze price movement in the unstable stock market, it does not always…

统计金融 · 定量金融 2014-08-13 Angela Gu , Patrick Zeng

Fine-grained sentiment analysis faces ongoing challenges in Aspect Sentiment Triple Extraction (ASTE), particularly in accurately capturing the relationships between aspects, opinions, and sentiment polarities. While researchers have made…

计算与语言 · 计算机科学 2025-11-14 Vishal Thenuwara , Nisansa de Silva

Aspect-based sentiment analysis (ABSA) is a more detailed task in sentiment analysis, by identifying opinion polarity toward a certain aspect in a text. This method is attracting more attention from the community, due to the fact that it…

计算与语言 · 计算机科学 2020-12-15 H. Jafarian , A. H. Taghavi , A. Javaheri , R. Rawassizadeh

The advancement of aspect-based sentiment analysis (ABSA) has urged the lack of a user-friendly framework that can largely lower the difficulty of reproducing state-of-the-art ABSA performance, especially for beginners. To meet the demand,…

计算与语言 · 计算机科学 2023-08-24 Heng Yang , Chen Zhang , Ke Li

For many business applications, we often seek to analyze sentiments associated with any arbitrary aspects of commercial products, despite having a very limited amount of labels or even without any labels at all. However, existing aspect…

计算与语言 · 计算机科学 2021-09-09 Ronald Seoh , Ian Birle , Mrinal Tak , Haw-Shiuan Chang , Brian Pinette , Alfred Hough

Understanding preferences, opinions, and sentiment of the workforce is paramount for effective employee lifecycle management. Open-ended survey responses serve as a valuable source of information. This paper proposes a machine learning…

计算与语言 · 计算机科学 2024-02-08 Lois Rink , Job Meijdam , David Graus

Opinionated text often involves attributes such as authorship and location that influence the sentiments expressed for different aspects. We posit that structural and semantic correspondence is both prevalent in opinionated text, especially…

计算与语言 · 计算机科学 2019-11-26 Zhe Zhang , Munindar P. Singh

Aspect-based sentiment classification is a crucial problem in fine-grained sentiment analysis, which aims to predict the sentiment polarity of the given aspect according to its context. Previous works have made remarkable progress in…

计算与语言 · 计算机科学 2023-08-23 Xueyi Liu , Rui Hou , Yanglei Gan , Da Luo , Changlin Li , Xiaojun Shi , Qiao Liu

Sentiment analysis predicts the presence of positive or negative emotions in a text document. In this paper we consider higher dimensional extensions of the sentiment concept, which represent a richer set of human emotions. Our approach…

计算与语言 · 计算机科学 2013-08-09 Seungyeon Kim , Fuxin Li , Guy Lebanon , Irfan Essa

It has been widely accepted that Long Short-Term Memory (LSTM) network, coupled with attention mechanism and memory module, is useful for aspect-level sentiment classification. However, existing approaches largely rely on the modelling of…

计算与语言 · 计算机科学 2019-09-24 Chen Zhang , Qiuchi Li , Dawei Song

Typical use cases of sentiment analysis usually revolve around assessing the probability of a text belonging to a certain sentiment and deriving insight concerning it; little work has been done to explore further use cases derived using…

机器学习 · 统计学 2021-04-01 Thomas Konstantinovsky

Citation sentimet analysis is one of the little studied tasks for scientometric analysis. For citation analysis, we developed eight datasets comprising citation sentences, which are manually annotated by us into three sentiment polarities…

计算与语言 · 计算机科学 2020-05-12 Vishal Vyas , Kumar Ravi , Vadlamani Ravi , V. Uma , Srirangaraj Setlur , Venu Govindaraju
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