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In this work we investigate the capability of Graph Attention Network for extracting aspect and opinion terms. Aspect and opinion term extraction is posed as a token-level classification task akin to named entity recognition. We use the…

计算与语言 · 计算机科学 2024-05-01 Abir Chakraborty

Neural sequence models have achieved great success in sentence-level sentiment classification. However, some models are exceptionally complex or based on expensive features. Some other models recognize the value of existed linguistic…

计算与语言 · 计算机科学 2019-10-21 Yan Zeng , Yangyang Lan , Yazhou Hao , Chen Li , Qinhua Zheng

Aspect-based sentiment analysis produces a list of aspect terms and their corresponding sentiments for a natural language sentence. This task is usually done in a pipeline manner, with aspect term extraction performed first, followed by…

计算与语言 · 计算机科学 2019-06-18 Ruidan He , Wee Sun Lee , Hwee Tou Ng , Daniel Dahlmeier

In this paper, we introduce a new framework called the sentiment-aspect attribution module (SAAM). SAAM works on top of traditional neural networks and is designed to address the problem of multi-aspect sentiment classification and…

计算与语言 · 计算机科学 2020-12-16 Yifan Zhang , Fan Yang , Marjan Hosseinia , Arjun Mukherjee

This paper studies continual learning (CL) of a sequence of aspect sentiment classification (ASC) tasks. Although some CL techniques have been proposed for document sentiment classification, we are not aware of any CL work on ASC. A CL…

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

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task which aims to extract the aspects from sentences and identify their corresponding sentiments. Aspect term extraction (ATE) is the crucial step for ABSA. Due to…

计算与语言 · 计算机科学 2022-02-01 Xiang Chen , Xiaojun Wan

Large language model (LLM) is an effective approach to addressing data scarcity in low-resource scenarios. Recent existing research designs hand-crafted prompts to guide LLM for data augmentation. We introduce a data augmentation strategy…

计算与语言 · 计算机科学 2025-06-10 Yaping Chai , Haoran Xie , Joe S. Qin

This paper builds upon an existing speech emotion recognition model by adding an additional LSTM layer to improve the accuracy and processing efficiency of emotion recognition from audio data. By capturing the long-term dependencies within…

人工智能 · 计算机科学 2024-12-02 Xiaoran Yang , Shuhan Yu , Wenxi Xu

We propose a Long Short-Term Memory (LSTM) with attention mechanism to classify psychological stress from self-conducted interview transcriptions. We apply distant supervision by automatically labeling tweets based on their hashtag content,…

计算与语言 · 计算机科学 2018-10-11 Genta Indra Winata , Onno Pepijn Kampman , Pascale Fung

Sentiment analysis, especially for long documents, plausibly requires methods capturing complex linguistics structures. To accommodate this, we propose a novel framework to exploit task-related discourse for the task of sentiment analysis.…

计算与语言 · 计算机科学 2020-11-06 Patrick Huber , Giuseppe Carenini

Aspect-based sentiment analysis (ABSA) aims at extracting opinionated aspect terms in review texts and determining their sentiment polarities, which is widely studied in both academia and industry. As a fine-grained classification task, the…

人工智能 · 计算机科学 2023-08-17 Anguo Dong , Cuiyun Gao , Yan Jia , Qing Liao , Xuan Wang , Lei Wang , Jing Xiao

This paper describes our deep learning-based approach to multilingual aspect-based sentiment analysis as part of SemEval 2016 Task 5. We use a convolutional neural network (CNN) for both aspect extraction and aspect-based sentiment…

计算与语言 · 计算机科学 2016-09-23 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

Argument labeling of explicit discourse relations is a challenging task. The state of the art systems achieve slightly above 55% F-measure but require hand-crafted features. In this paper, we propose a Long Short Term Memory (LSTM) based…

计算与语言 · 计算机科学 2017-09-08 Sohail Hooda , Leila Kosseim

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

Sentiment understanding has been a long-term goal of AI in the past decades. This paper deals with sentence-level sentiment classification. Though a variety of neural network models have been proposed very recently, however, previous models…

计算与语言 · 计算机科学 2017-04-27 Qiao Qian , Minlie Huang , Jinhao Lei , Xiaoyan Zhu

Aspect based sentiment analysis (ABSA) can provide more detailed information than general sentiment analysis, because it aims to predict the sentiment polarities of the given aspects or entities in text. We summarize previous approaches…

计算与语言 · 计算机科学 2018-05-21 Wei Xue , Tao Li

Effective image and sentence matching depends on how to well measure their global visual-semantic similarity. Based on the observation that such a global similarity arises from a complex aggregation of multiple local similarities between…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Yan Huang , Wei Wang , Liang Wang

Aspect-based sentiment classification aims to predict the sentiment polarity of a specific aspect in a sentence. However, most existing methods attempt to construct dependency relations into a homogeneous dependency graph with the sparsity…

计算与语言 · 计算机科学 2021-12-07 Yukun Cao , Yijia Tang , Ziyue Wei , ChengKun Jin , Zeyu Miao , Yixin Fang , Haizhou Du , Feifei Xu

Aspect-based sentiment analysis aims to determine the sentiment polarity towards a specific aspect in online reviews. Most recent efforts adopt attention-based neural network models to implicitly connect aspects with opinion words. However,…

计算与语言 · 计算机科学 2020-04-28 Kai Wang , Weizhou Shen , Yunyi Yang , Xiaojun Quan , Rui Wang

Aspect-based sentiment analysis (ABSA) mainly involves three subtasks: aspect term extraction, opinion term extraction, and aspect-level sentiment classification, which are typically handled in a separate or joint manner. However, previous…

计算与语言 · 计算机科学 2021-09-03 Yunlong Liang , Fandong Meng , Jinchao Zhang , Yufeng Chen , Jinan Xu , Jie Zhou