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相关论文: Aspect and Opinion Term Extraction Using Graph Att…

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Aspect-based sentiment analysis (ABSA), a popular research area in NLP has two distinct parts -- aspect extraction (AE) and labeling the aspects with sentiment polarity (ALSA). Although distinct, these two tasks are highly correlated. The…

With the popularity of social networks, and e-commerce websites, sentiment analysis has become a more active area of research in the past few years. On a high level, sentiment analysis tries to understand the public opinion about a specific…

计算与语言 · 计算机科学 2019-04-14 Shervin Minaee , Elham Azimi , AmirAli Abdolrashidi

Aspect sentiment triplet extraction (ASTE) is a crucial subtask of aspect-based sentiment analysis (ABSA) that aims to comprehensively identify sentiment triplets. Previous research has focused on enhancing ASTE through innovative…

计算与语言 · 计算机科学 2024-01-26 Baoxing Jiang , Shehui Liang , Peiyu Liu , Kaifang Dong , Hongye Li

Over the past few years, deep learning methods have shown remarkable results in many face-related tasks including automatic facial expression recognition (FER) in-the-wild. Meanwhile, numerous models describing the human emotional states…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Panagiotis Antoniadis , Panagiotis P. Filntisis , Petros Maragos

Amidst the swift evolution of social media platforms and e-commerce ecosystems, the domain of opinion mining has surged as a pivotal area of exploration within natural language processing. A specialized segment within this field focuses on…

计算与语言 · 计算机科学 2024-09-24 Linxiao Wu , Yuanshuai Luo , Binrong Zhu , Guiran Liu , Rui Wang , Qian Yu

Aspect-level sentiment classification (ASC) aims to predict the fine-grained sentiment polarity towards a given aspect mentioned in a review. Despite recent advances in ASC, enabling machines to preciously infer aspect sentiments is still…

计算与语言 · 计算机科学 2022-03-02 Bowen Xing , Ivor W. Tsang

Sentiments expressed in user-generated short text and sentences are nuanced by subtleties at lexical, syntactic, semantic and pragmatic levels. To address this, we propose to augment traditional features used for sentiment analysis and…

计算与语言 · 计算机科学 2017-01-23 Abhijit Mishra , Diptesh Kanojia , Seema Nagar , Kuntal Dey , Pushpak Bhattacharyya

Explanations in a recommender system assist users in making informed decisions among a set of recommended items. Great research attention has been devoted to generating natural language explanations to depict how the recommendations are…

信息检索 · 计算机科学 2022-02-22 Peng Wang , Renqin Cai , Hongning Wang

We propose a novel technique to enhance Knowledge Graph Reasoning by combining Graph Convolution Neural Network (GCN) with the Attention Mechanism. This approach utilizes the Attention Mechanism to examine the relationships between entities…

信息检索 · 计算机科学 2025-03-24 Meera Gupta , Ravi Khanna , Divya Choudhary , Nandini Rao

Deep learning architectures based on self-attention have recently achieved and surpassed state of the art results in the task of unsupervised aspect extraction and topic modeling. While models such as neural attention-based aspect…

计算与语言 · 计算机科学 2020-06-18 Anton Alekseev , Elena Tutubalina , Valentin Malykh , Sergey Nikolenko

Aspect-Based Sentiment Analysis (ABSA) is a fine-grained linguistics problem that entails the extraction of multifaceted aspects, opinions, and sentiments from the given text. Both standalone and compound ABSA tasks have been extensively…

计算与语言 · 计算机科学 2025-07-18 S M Rafiuddin , Mohammed Rakib , Sadia Kamal , Arunkumar Bagavathi

The success of neural network embeddings has entailed a renewed interest in using knowledge graphs for a wide variety of machine learning and information retrieval tasks. In particular, recent recommendation methods based on graph…

信息检索 · 计算机科学 2022-08-01 Iván Cantador , Andrés Carvallo , Fernando Diez

Aspect-based sentiment analysis (ABSA) task is a multi-grained task of natural language processing and consists of two subtasks: aspect term extraction (ATE) and aspect polarity classification (APC). Most of the existing work focuses on the…

计算与语言 · 计算机科学 2020-02-13 Heng Yang , Biqing Zeng , JianHao Yang , Youwei Song , Ruyang Xu

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

In the field of deep learning, Graph Neural Networks (GNNs) and Graph Transformer models, with their outstanding performance and flexible architectural designs, have become leading technologies for processing structured data, especially…

机器学习 · 计算机科学 2025-02-04 Jiawei E , Yinglong Zhang , Xuewen Xia , Xing Xu

Inter-sentence relation extraction deals with a number of complex semantic relationships in documents, which require local, non-local, syntactic and semantic dependencies. Existing methods do not fully exploit such dependencies. We present…

计算与语言 · 计算机科学 2019-06-12 Sunil Kumar Sahu , Fenia Christopoulou , Makoto Miwa , Sophia Ananiadou

The growing quantity and complexity of data pose challenges for humans to consume information and respond in a timely manner. For businesses in domains with rapidly changing rules and regulations, failure to identify changes can be costly.…

人工智能 · 计算机科学 2021-04-21 Vivek Khetan , Annervaz K M , Erin Wetherley , Elena Eneva , Shubhashis Sengupta , Andrew E. Fano

The success of neural network embeddings has entailed a renewed interest in using knowledge graphs for a wide variety of machine learning and information retrieval tasks. In particular, current recommendation methods based on graph…

信息检索 · 计算机科学 2022-08-01 Iván Cantador , Andrés Carvallo , Fernando Diez , Denis Parra

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

Recent works show that the graph structure of sentences, generated from dependency parsers, has potential for improving event detection. However, they often only leverage the edges (dependencies) between words, and discard the dependency…

计算与语言 · 计算机科学 2021-05-06 Sanghamitra Dutta , Liang Ma , Tanay Kumar Saha , Di Lu , Joel Tetreault , Alejandro Jaimes