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相关论文: Dual-Attention Model for Aspect-Level Sentiment Cl…

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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

Semantic segmentation is a challenge in scene parsing. It requires both context information and rich spatial information. In this paper, we differentiate features for scene segmentation based on dedicated attention mechanisms (DF-DAM), and…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Zhiqiang Xiong , Zhicheng Wang , Zhaohui Yu , Xi Gu

Acquisition of labeled training samples for affective computing is usually costly and time-consuming, as affects are intrinsically subjective, subtle and uncertain, and hence multiple human assessors are needed to evaluate each affective…

机器学习 · 计算机科学 2019-03-27 Dongrui Wu , Jian Huang

We propose a compact framework with guided attention for multi-label classification in the fashion domain. Our visual semantic attention model (VSAM) is supervised by automatic pose extraction creating a discriminative feature space. VSAM…

计算机视觉与模式识别 · 计算机科学 2019-11-13 Beatriz Quintino Ferreira , João P. Costeira , Ricardo G. Sousa , Liang-Yan Gui , João P. Gomes

Deep learning approaches for sentiment classification do not fully exploit sentiment linguistic knowledge. In this paper, we propose a Multi-sentiment-resource Enhanced Attention Network (MEAN) to alleviate the problem by integrating three…

计算与语言 · 计算机科学 2018-07-16 Zeyang Lei , Yujiu Yang , Min Yang , Yi Liu

The joint task of Dialog Sentiment Classification (DSC) and Act Recognition (DAR) aims to predict the sentiment label and act label for each utterance in a dialog simultaneously. However, current methods encode the dialog context in only…

计算与语言 · 计算机科学 2023-08-15 Li Zheng , Fei Li , Yuyang Chai , Chong Teng , Donghong Ji

Pixel-level annotation demands expensive human efforts and limits the performance of deep networks that usually benefits from more such training data. In this work we aim to achieve high quality instance and semantic segmentation results…

计算机视觉与模式识别 · 计算机科学 2020-02-03 Chuang Niu , Shenghan Ren , Jimin Liang

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

Domain adaptation tasks such as cross-domain sentiment classification aim to utilize existing labeled data in the source domain and unlabeled or few labeled data in the target domain to improve the performance in the target domain via…

计算与语言 · 计算机科学 2022-01-03 Dongbo Xi , Fuzhen Zhuang , Ganbin Zhou , Xiaohu Cheng , Fen Lin , Qing He

Sentiment Analysis has seen much progress in the past two decades. For the past few years, neural network approaches, primarily RNNs and CNNs, have been the most successful for this task. Recently, a new category of neural networks,…

计算与语言 · 计算机科学 2018-12-20 Artaches Ambartsoumian , Fred Popowich

Neighborhood-aware tokenized graph Transformers have recently shown great potential for node classification tasks. Despite their effectiveness, our in-depth analysis of neighborhood tokens reveals two critical limitations in the existing…

机器学习 · 计算机科学 2025-05-26 Chenyang Li , Jinsong Chen , John E. Hopcroft , Kun He

Target-Based Sentiment Analysis aims to detect the opinion aspects (aspect extraction) and the sentiment polarities (sentiment detection) towards them. Both the previous pipeline and integrated methods fail to precisely model the innate…

计算与语言 · 计算机科学 2020-04-15 Shu Liu , Wei Li , Yunfang Wu , Qi Su , Xu Sun

Multimodal sentiment analysis has attracted increasing attention with broad application prospects. The existing methods focuses on single modality, which fails to capture the social media content for multiple modalities. Moreover, in…

多媒体 · 计算机科学 2022-05-11 Ashima Yadav , Dinesh Kumar Vishwakarma

Breast cancer classification remains a challenging task due to inter-class ambiguity and intra-class variability. Existing deep learning-based methods try to confront this challenge by utilizing complex nonlinear projections. However, these…

计算机视觉与模式识别 · 计算机科学 2020-10-08 Xiao Kang , Xingbo Liu , Xiushan Nie , Xiaoming Xi , Yilong Yin

Aspect-based Sentiment Analysis (ABSA) seeks to predict the sentiment polarity of a sentence toward a specific aspect. Recently, it has been shown that dependency trees can be integrated into deep learning models to produce the…

计算与语言 · 计算机科学 2020-10-27 Amir Pouran Ben Veyseh , Nasim Nour , Franck Dernoncourt , Quan Hung Tran , Dejing Dou , Thien Huu Nguyen

Recognising dialogue acts (DA) is important for many natural language processing tasks such as dialogue generation and intention recognition. In this paper, we propose a dual-attention hierarchical recurrent neural network for DA…

计算与语言 · 计算机科学 2019-10-11 Ruizhe Li , Chenghua Lin , Matthew Collinson , Xiao Li , Guanyi Chen

Classifying semantic relations between entity pairs in sentences is an important task in Natural Language Processing (NLP). Most previous models for relation classification rely on the high-level lexical and syntactic features obtained by…

计算与语言 · 计算机科学 2020-10-07 Joohong Lee , Sangwoo Seo , Yong Suk Choi

Transformer-based models are popularly used in natural language processing (NLP). Its core component, self-attention, has aroused widespread interest. To understand the self-attention mechanism, a direct method is to visualize the attention…

机器学习 · 计算机科学 2021-07-02 Han Shi , Jiahui Gao , Xiaozhe Ren , Hang Xu , Xiaodan Liang , Zhenguo Li , James T. Kwok

In statistics and machine learning, detecting dependencies in datasets is a central challenge. We propose a novel neural network model for supervised graph structure learning, i.e., the process of learning a mapping between observational…

机器学习 · 统计学 2024-02-14 Philipp Froehlich , Heinz Koeppl

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