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相关论文: Aspect Based Sentiment Analysis Using Spectral Tem…

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This study proposes a novel way of identifying the sentiment of the phrases used in the legal domain. The added complexity of the language used in law, and the inability of the existing systems to accurately predict the sentiments of words…

Reviews of products or services on Internet marketplace websites contain a rich amount of information. Users often wish to survey reviews or review snippets from the perspective of a certain aspect, which has resulted in a large body of…

计算与语言 · 计算机科学 2020-06-05 Christopher Mitcheltree , Skyler Wharton , Avneesh Saluja

Recent work on aspect-level sentiment classification has demonstrated the efficacy of incorporating syntactic structures such as dependency trees with graph neural networks(GNN), but these approaches are usually vulnerable to parsing…

计算与语言 · 计算机科学 2021-03-23 Xiaochen Hou , Peng Qi , Guangtao Wang , Rex Ying , Jing Huang , Xiaodong He , Bowen Zhou

Aspect-based sentiment analysis (ABSA) aims to identify aspect terms and determine their sentiment polarity. While dependency trees combined with contextual semantics provide structural cues, existing approaches often rely on dot-product…

计算与语言 · 计算机科学 2026-03-10 Xinfeng Liao , Xuanqi Chen , Lianxi Wang , Jiahuan Yang , Zhuowei Chen , Ziying Rong

Aspect-term sentiment analysis (ATSA) is a longstanding challenge in natural language understanding. It requires fine-grained semantical reasoning about a target entity appeared in the text. As manual annotation over the aspects is…

计算与语言 · 计算机科学 2019-09-06 Xingyi Cheng , Weidi Xu , Taifeng Wang , Wei Chu

Targeted sentiment classification aims at determining the sentimental tendency towards specific targets. Most of the previous approaches model context and target words with RNN and attention. However, RNNs are difficult to parallelize and…

计算与语言 · 计算机科学 2019-09-24 Youwei Song , Jiahai Wang , Tao Jiang , Zhiyue Liu , Yanghui Rao

This paper addresses the problem of sentence-level sentiment analysis. In recent years, Convolution and Recursive Neural Networks have been proven to be effective network architecture for sentence-level sentiment analysis. Nevertheless,…

计算与语言 · 计算机科学 2018-01-30 Vinh D. Van , Thien Thai , Minh-Quoc Nghiem

We propose a novel spectral generative modeling framework for natural language processing that jointly learns a global time varying Fourier dictionary and per token mixing coefficients, replacing the ubiquitous self attention mechanism in…

计算与语言 · 计算机科学 2025-05-02 Andrew Kiruluta

Deep learning techniques have achieved success in aspect-based sentiment analysis in recent years. However, there are two important issues that still remain to be further studied, i.e., 1) how to efficiently represent the target especially…

计算与语言 · 计算机科学 2018-02-06 Shiliang Zheng , Rui Xia

This study presents a thorough examination of various Generative Pretrained Transformer (GPT) methodologies in sentiment analysis, specifically in the context of Task 4 on the SemEval 2017 dataset. Three primary strategies are employed: 1)…

计算与语言 · 计算机科学 2023-07-25 Kiana Kheiri , Hamid Karimi

Aspect Term Extraction (ATE), a key sub-task in Aspect-Based Sentiment Analysis, aims to extract explicit aspect expressions from online user reviews. We present a new framework for tackling ATE. It can exploit two useful clues, namely…

计算与语言 · 计算机科学 2018-05-03 Xin Li , Lidong Bing , Piji Li , Wai Lam , Zhimou Yang

Spectrogram is commonly used as the input feature of deep neural networks to learn the high(er)-level time-frequency pattern of speech signal for speech emotion recognition (SER). \textcolor{black}{Generally, different emotions correspond…

声音 · 计算机科学 2022-10-25 Cheng Lu , Wenming Zheng , Hailun Lian , Yuan Zong , Chuangao Tang , Sunan Li , Yan Zhao

Aspect-based sentiment analysis (ABSA) aims at predicting sentiment polarity (SC) or extracting opinion span (OE) expressed towards a given aspect. Previous work in ABSA mostly relies on rather complicated aspect-specific feature induction.…

计算与语言 · 计算机科学 2022-07-19 Fang Ma , Chen Zhang , Bo Zhang , Dawei Song

Sentiment analysis of online user generated content is important for many social media analytics tasks. Researchers have largely relied on textual sentiment analysis to develop systems to predict political elections, measure economic…

计算机视觉与模式识别 · 计算机科学 2015-09-22 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

Aspect Based Sentiment Analysis (ABSA) is the task of identifying sentiment polarity of a text given another text segment or aspect. In ABSA, a text can have multiple sentiments depending upon each aspect. Aspect Term Sentiment Analysis…

计算与语言 · 计算机科学 2020-05-05 Avinash Madasu , Vijjini Anvesh Rao

Aspect-Based Sentiment Analysis (ABSA) involves extracting opinions from textual data about specific entities and their corresponding aspects through various complementary subtasks. Several prior research has focused on developing ad hoc…

计算与语言 · 计算机科学 2024-06-07 Laura Cabello , Uchenna Akujuobi

Aspect-level sentiment classification (ALSC) aims at identifying the sentiment polarity of a specified aspect in a sentence. ALSC is a practical setting in aspect-based sentiment analysis due to no opinion term labeling needed, but it fails…

计算与语言 · 计算机科学 2021-09-08 Bo Wang , Tao Shen , Guodong Long , Tianyi Zhou , Yi Chang

Transformer-based models have been widely adopted for sentiment analysis tasks due to their exceptional ability to capture contextual information. However, these methods often exhibit suboptimal accuracy in certain scenarios. By analyzing…

人工智能 · 计算机科学 2025-12-25 Yawei Liu

Aspect-Based Sentiment Analysis (ABSA) is increasingly crucial in Natural Language Processing (NLP) for applications such as customer feedback analysis and product recommendation systems. ABSA goes beyond traditional sentiment analysis by…

计算与语言 · 计算机科学 2024-10-29 Adamu Lawan , Juhua Pu , Haruna Yunusa , Jawad Muhammad , Aliyu Umar

Sentiment analysis is a domain of study that focuses on identifying and classifying the ideas expressed in the form of text into positive, negative and neutral polarities. Feature selection is a crucial process in machine learning. In this…

计算与语言 · 计算机科学 2020-02-04 Avinash Madasu , Sivasankar E