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相关论文: Aspect Specific Opinion Expression Extraction usin…

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Aspect-level sentiment classification aims at identifying the sentiment polarity of specific target in its context. Previous approaches have realized the importance of targets in sentiment classification and developed various methods with…

人工智能 · 计算机科学 2017-09-05 Dehong Ma , Sujian Li , Xiaodong Zhang , Houfeng Wang

We present a neural framework for opinion summarization from online product reviews which is knowledge-lean and only requires light supervision (e.g., in the form of product domain labels and user-provided ratings). Our method combines two…

计算与语言 · 计算机科学 2018-08-28 Stefanos Angelidis , Mirella Lapata

Given a target name, which can be a product aspect or entity, identifying its aspect words and opinion words in a given corpus is a fine-grained task in target-based sentiment analysis (TSA). This task is challenging, especially when we…

计算与语言 · 计算机科学 2018-02-19 Shuai Wang , Mianwei Zhou , Sahisnu Mazumder , Bing Liu , Yi Chang

One key task of fine-grained sentiment analysis on reviews is to extract aspects or features that users have expressed opinions on. This paper focuses on supervised aspect extraction using a modified CNN called controlled CNN (Ctrl). The…

计算与语言 · 计算机科学 2019-05-31 Lei Shu , Hu Xu , Bing Liu

With the constantly growing number of reviews and other sentiment-bearing texts on the Web, the demand for automatic sentiment analysis algorithms continues to expand. Aspect-based sentiment classification (ABSC) allows for the automatic…

计算与语言 · 计算机科学 2022-03-29 Gianni Brauwers , Flavius Frasincar

The objective of Aspect Based Sentiment Analysis is to capture the sentiment of reviewers associated with different aspects. However, complexity of the review sentences, presence of double negation and specific usage of words found in…

计算与语言 · 计算机科学 2022-02-15 Abir Chakraborty

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

In the sentiment attitude extraction task, the aim is to identify <<attitudes>> -- sentiment relations between entities mentioned in text. In this paper, we provide a study on attention-based context encoders in the sentiment attitude…

计算与语言 · 计算机科学 2020-06-23 Nicolay Rusnachenko , Natalia Loukachevitch

The growing prosperity of social networks has brought great challenges to the sentimental tendency mining of users. As more and more researchers pay attention to the sentimental tendency of online users, rich research results have been…

计算与语言 · 计算机科学 2019-07-04 Donghang Pan , Jingling Yuan , Lin Li , Deming Sheng

After transformer is proposed, lots of pre-trained language models have been come up with and sentiment analysis (SA) task has been improved. In this paper, we proposed a method that uses an auxiliary sentence about aspects that the…

计算与语言 · 计算机科学 2024-10-16 Teng Wang , Bolun Sun , Yijie Tong

Aspect-based sentiment analysis (ABSA) aims to associate a text with a set of aspects and infer their respective sentimental polarities. State-of-the-art approaches are built on fine-tuning pre-trained language models, focusing on learning…

计算与语言 · 计算机科学 2024-08-26 Murtadha Ahmed , Bo Wen , Shengfeng Pan , Jianlin Su , Luo Ao , Yunfeng Liu

Multi-label aspect category detection is intended to detect multiple aspect categories occurring in a given sentence. Since aspect category detection often suffers from limited datasets and data sparsity, the prototypical network with…

计算与语言 · 计算机科学 2023-09-28 Zeyu Wang , Mizuho Iwaihara

Datasets are critical for scientific research, playing an important role in replication, reproducibility, and efficiency. Researchers have recently shown that datasets are becoming more important for science to function properly, even…

计算与语言 · 计算机科学 2024-05-24 Tong Zeng , Daniel Acuna

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

Opinion summarization from online product reviews is a challenging task, which involves identifying opinions related to various aspects of the product being reviewed. While previous works require additional human effort to identify relevant…

计算与语言 · 计算机科学 2019-11-25 Chao Zhao , Snigdha Chaturvedi

The surge of e-commerce reviews has presented a challenge in manually annotating the vast volume of reviews to comprehend their underlying aspects and sentiments. This research focused on leveraging weakly supervised learning to tackle…

信息检索 · 计算机科学 2023-12-27 Kalpa Subbaih , Bharath Kumar Bolla

Multi-label aspect category detection allows a given review sentence to contain multiple aspect categories, which is shown to be more practical in sentiment analysis and attracting increasing attention. As annotating large amounts of data…

计算与语言 · 计算机科学 2022-06-29 Han Liu , Feng Zhang , Xiaotong Zhang , Siyang Zhao , Junjie Sun , Hong Yu , Xianchao Zhang

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

Sarcasm detection identifies natural language expressions whose intended meaning is different from what is implied by its surface meaning. It finds applications in many NLP tasks such as opinion mining, sentiment analysis, etc. Today,…

多媒体 · 计算机科学 2021-10-04 Sundesh Gupta , Aditya Shah , Miten Shah , Laribok Syiemlieh , Chandresh Maurya

Aspect Sentiment Triplet Extraction (ASTE) has become an emerging task in sentiment analysis research, aiming to extract triplets of the aspect term, its corresponding opinion term, and its associated sentiment polarity from a given…

计算与语言 · 计算机科学 2023-04-11 Shuo Liang , Wei Wei , Xian-Ling Mao , Yuanyuan Fu , Rui Fang , Dangyang Chen