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相关论文: Jointly Modeling Aspect and Sentiment with Dynamic…

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A multi-modal emotion recognition method was established by combining two-channel convolutional neural network with ring network. This method can extract emotional information effectively and improve learning efficiency. The words were…

人工智能 · 计算机科学 2023-11-21 Jiazhen Wang

At online retail platforms, detecting fraudulent accounts and transactions is crucial to improve customer experience, minimize loss, and avoid unauthorized transactions. Despite the variety of different models for deep learning on graphs,…

机器学习 · 计算机科学 2022-04-25 Susie Xi Rao , Clémence Lanfranchi , Shuai Zhang , Zhichao Han , Zitao Zhang , Wei Min , Mo Cheng , Yinan Shan , Yang Zhao , Ce Zhang

Domain adaptation for sentiment analysis is challenging due to the fact that supervised classifiers are very sensitive to changes in domain. The two most prominent approaches to this problem are structural correspondence learning and…

计算与语言 · 计算机科学 2018-06-15 Jeremy Barnes , Roman Klinger , Sabine Schulte im Walde

In this paper, we focus on the imbalance issue, which is rarely studied in aspect term extraction and aspect sentiment classification when regarding them as sequence labeling tasks. Besides, previous works usually ignore the interaction…

计算与语言 · 计算机科学 2020-09-28 Huaishao Luo , Lei Ji , Tianrui Li , Nan Duan , Daxin Jiang

Social recommendations have been widely adopted in substantial domains. Recently, graph neural networks (GNN) have been employed in recommender systems due to their success in graph representation learning. However, dealing with the dynamic…

社会与信息网络 · 计算机科学 2024-12-12 Behafarid Mohammad Jafari , Xiao Luo , Ali Jafari

Fine-grained sentiment analysis is receiving increasing attention in recent years. Extracting opinion target expressions (OTE) in reviews is often an important step in fine-grained, aspect-based sentiment analysis. Retrieving this…

计算与语言 · 计算机科学 2017-09-20 Soufian Jebbara , Philipp Cimiano

In aspect-based sentiment analysis (ABSA), many neural models are equipped with an attention mechanism to quantify the contribution of each context word to sentiment prediction. However, such a mechanism suffers from one drawback: only a…

计算与语言 · 计算机科学 2021-03-08 Jinsong Su , Jialong Tang , Hui Jiang , Ziyao Lu , Yubin Ge , Linfeng Song , Deyi Xiong , Le Sun , Jiebo Luo

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

With the rapid development of mobile Internet technology and the widespread use of mobile devices, it becomes much easier for people to express their opinions on social media. The openness and convenience of social media platforms provide a…

社会与信息网络 · 计算机科学 2020-06-11 Qi Huang , Junshuai Yu , Jia Wu , Bin Wang

Domain adaptation is important in sentiment analysis as sentiment-indicating words vary between domains. Recently, multi-domain adaptation has become more pervasive, but existing approaches train on all available source domains including…

计算与语言 · 计算机科学 2017-02-09 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

Aspect based sentiment analysis aims to identify the sentimental tendency towards a given aspect in text. Fine-tuning of pretrained BERT performs excellent on this task and achieves state-of-the-art performances. Existing BERT-based works…

计算与语言 · 计算机科学 2020-02-13 Youwei Song , Jiahai Wang , Zhiwei Liang , Zhiyue Liu , Tao Jiang

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

The natural language processing and multimedia field has seen a notable surge in interest in multimodal sentiment recognition. Hence, this study aims to employ Target-Dependent Multimodal Sentiment Analysis (TDMSA) to identify the level of…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Ananya Pandey , Dinesh Kumar Vishwakarma

Current multimodal sentiment analysis frames sentiment score prediction as a general Machine Learning task. However, what the sentiment score actually represents has often been overlooked. As a measurement of opinions and affective states,…

计算与语言 · 计算机科学 2018-07-05 Leimin Tian , Catherine Lai , Johanna D. Moore

Aspect-based sentiment analysis involves the recognition of so called opinion target expressions (OTEs). To automatically extract OTEs, supervised learning algorithms are usually employed which are trained on manually annotated corpora. The…

计算与语言 · 计算机科学 2019-04-22 Soufian Jebbara , Philipp Cimiano

Human-object interaction(HOI) detection is an important task for understanding human activity. Graph structure is appropriate to denote the HOIs in the scene. Since there is an subordination between human and object---human play subjective…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Hai Wang , Wei-Shi Zheng , Ling Yingbiao

We rely on arguments in our daily lives to deliver our opinions and base them on evidence, making them more convincing in turn. However, finding and formulating arguments can be challenging. In this work, we train a language model for…

计算与语言 · 计算机科学 2020-05-04 Benjamin Schiller , Johannes Daxenberger , Iryna Gurevych

When opinion spread is studied, peer pressure is often modeled by interactions of more than two individuals (higher-order interactions). In our work, we introduce a two-layer random hypergraph model, in which hyperedges represent households…

社会与信息网络 · 计算机科学 2025-12-30 Ágnes Backhausz , Villő Csiszár , Balázs Csegő Kolok , Damján Tárkányi , András Zempléni

With the growth of textual data across online platforms, sentiment analysis has become crucial for extracting insights from user-generated content. While traditional approaches and deep learning models have shown promise, they cannot often…

计算与语言 · 计算机科学 2024-04-23 Asal Khosravi , Zahed Rahmati , Ali Vefghi

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
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