1 code implementation • COLING 2022 • Fei Zhao, Zhen Wu, Siyu Long, Xinyu Dai, ShuJian Huang, Jiajun Chen
Target-oriented multimodal sentiment classification (TMSC) is a new subtask of aspect-based sentiment analysis, which aims to determine the sentiment polarity of the opinion target mentioned in a (sentence, image) pair.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2
1 code implementation • COLING 2022 • Yawen Ouyang, Zhen Wu, Xinyu Dai, ShuJian Huang, Jiajun Chen
In this paper, we propose a more desirable task, multi-label unknown intent detection, to detect whether the utterance contains the unknown intent, in which each utterance may contain multiple intents.
1 code implementation • 29 Mar 2024 • Fangxu Yu, Junjie Guo, Zhen Wu, Xinyu Dai
To achieve this, we utilize label encodings as anchors to guide the learning of utterance representations and design an auxiliary loss to ensure the effective separation of anchors for similar emotions.
Ranked #5 on Emotion Recognition in Conversation on MELD
1 code implementation • 24 Mar 2024 • Taotian Pang, Xingyu Lou, Fei Zhao, Zhen Wu, Kuiyao Dong, Qiuying Peng, Yue Qi, Xinyu Dai
Specifically, we build \textit{user preference representations} and \textit{attribute fusion representations} upon the attribute information in knowledge graphs, which are utilized to enhance \textit{collaborative filtering} (CF) based user and item representations, respectively.
no code implementations • 19 Mar 2024 • Yuan Gao, Yiheng Zhu, Yuanbin Cao, Yinzhi Zhou, Zhen Wu, Yujie Chen, Shenglan Wu, Haoyuan Hu, Xinyu Dai
To alleviate this issue, we propose the Discriminate->Re-Compose->Re- Solve->Re-Decompose (Dr3) mechanism.
no code implementations • 15 Feb 2024 • Shangyu Xing, Fei Zhao, Zhen Wu, Tuo An, WeiHao Chen, Chunhui Li, Jianbing Zhang, Xinyu Dai
Multimodal large language models (MLLMs) have attracted increasing attention in the past few years, but they may still generate descriptions that include objects not present in the corresponding images, a phenomenon known as object hallucination.
no code implementations • 27 Dec 2023 • Yongchang Cao, Liang He, Zhen Wu, Xinyu Dai
Meanwhile, to incorporate implicit hierarchical linguistic knowledge within the encoder, we propose a novel form of n-gram-based layerwise self-attention to generate a multilayer representation.
no code implementations • 17 Nov 2023 • Ting Xu, Zhen Wu, Huiyun Yang, Xinyu Dai
We propose to explore ASTE in the cross-domain setting, which transfers knowledge from a resource-rich source domain to a resource-poor target domain, thereby alleviating the reliance on labeled data in the target domain.
1 code implementation • 23 Oct 2023 • Fei Zhao, Chunhui Li, Zhen Wu, Yawen Ouyang, Jianbing Zhang, Xinyu Dai
Therefore, in this work, we focus on whether the negative impact of noisy images can be reduced without modifying the data.
1 code implementation • 9 Oct 2023 • Shangyu Xing, Fei Zhao, Zhen Wu, Chunhui Li, Jianbing Zhang, Xinyu Dai
Multimodal Entity Linking (MEL) is a task that aims to link ambiguous mentions within multimodal contexts to referential entities in a multimodal knowledge base.
no code implementations • 8 Oct 2023 • Zihan Yu, Liang He, Zhen Wu, Xinyu Dai, Jiajun Chen
Chain-of-Thought (CoT), a step-wise and coherent reasoning chain, shows its impressive strength when used as a prompting strategy for large language models (LLM).
1 code implementation • 30 Sep 2023 • Fei Zhao, Taotian Pang, Zhen Wu, Zheng Ma, ShuJian Huang, Xinyu Dai
Previous studies have revealed that ICL is sensitive to the selection and the ordering of demonstrations.
no code implementations • 28 Jul 2023 • Ruyi Liu, Jingzhi Tie, Zhen Wu, Qing Zhang
In pairs trading, a long position is held in one stock while a short position is held in another.
1 code implementation • 27 May 2023 • Ting Xu, Huiyun Yang, Zhen Wu, Jiaze Chen, Fei Zhao, Xinyu Dai
In this paper, we introduce a new dataset, named DMASTE, which is manually annotated to better fit real-world scenarios by providing more diverse and realistic reviews for the task.
no code implementations • 8 Apr 2023 • Zhen Wu, Yizhe Lu, Xinyu Dai
Multimodal speech emotion recognition aims to detect speakers' emotions from audio and text.
1 code implementation • 9 Oct 2022 • Fei Zhao, Yuchen Shen, Zhen Wu, Xinyu Dai
Multi-Label Few-Shot Aspect Category Detection (FS-ACD) is a new sub-task of aspect-based sentiment analysis, which aims to detect aspect categories accurately with limited training instances.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2
1 code implementation • COLING 2022 • Yidong Wang, Hao Wu, Ao Liu, Wenxin Hou, Zhen Wu, Jindong Wang, Takahiro Shinozaki, Manabu Okumura, Yue Zhang
Limited labeled data increase the risk of distribution shift between test data and training data.
4 code implementations • 12 Aug 2022 • Yidong Wang, Hao Chen, Yue Fan, Wang Sun, Ran Tao, Wenxin Hou, RenJie Wang, Linyi Yang, Zhi Zhou, Lan-Zhe Guo, Heli Qi, Zhen Wu, Yu-Feng Li, Satoshi Nakamura, Wei Ye, Marios Savvides, Bhiksha Raj, Takahiro Shinozaki, Bernt Schiele, Jindong Wang, Xing Xie, Yue Zhang
We further provide the pre-trained versions of the state-of-the-art neural models for CV tasks to make the cost affordable for further tuning.
5 code implementations • 15 May 2022 • Yidong Wang, Hao Chen, Qiang Heng, Wenxin Hou, Yue Fan, Zhen Wu, Jindong Wang, Marios Savvides, Takahiro Shinozaki, Bhiksha Raj, Bernt Schiele, Xing Xie
Semi-supervised Learning (SSL) has witnessed great success owing to the impressive performances brought by various methods based on pseudo labeling and consistency regularization.
no code implementations • 13 May 2022 • Tian Chen, Ruyi Liu, Zhen Wu
All the results are different from those in the problem with fixed time horizon.
1 code implementation • 14 Dec 2021 • Yidong Wang, BoWen Zhang, Wenxin Hou, Zhen Wu, Jindong Wang, Takahiro Shinozaki
The long-tailed class distribution in visual recognition tasks poses great challenges for neural networks on how to handle the biased predictions between head and tail classes, i. e., the model tends to classify tail classes as head classes.
no code implementations • NAACL 2021 • Zhen Wu, Lijun Wu, Qi Meng, Yingce Xia, Shufang Xie, Tao Qin, Xinyu Dai, Tie-Yan Liu
Therefore, in this paper, we integrate different dropout techniques into the training of Transformer models.
Ranked #4 on Machine Translation on IWSLT2014 English-German
no code implementations • 1 Nov 2020 • Chengcan Ying, Zhen Wu, Xinyu Dai, ShuJian Huang, Jiajun Chen
In this paper, we propose a novel joint model, Opinion Transmission Network (OTN), to exploit the potential bridge between ALSC and AOWE to achieve the goal of facilitating them simultaneously.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +3
no code implementations • 1 Nov 2020 • Zhen Wu, Chengcan Ying, Xinyu Dai, ShuJian Huang, Jiajun Chen
To facilitate the research of ABSA, NLPCC 2020 Shared Task 2 releases a new large-scale Multi-Aspect Multi-Sentiment (MAMS) dataset.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2
1 code implementation • COLING 2020 • Fei Zhao, Zhen Wu, Xinyu Dai
In neural network-based methods for ASC, most works employ the attention mechanism to capture the corresponding sentiment words of the opinion target, then aggregate them as evidence to infer the sentiment of the target.
3 code implementations • Findings of the Association for Computational Linguistics 2020 • Zhen Wu, Chengcan Ying, Fei Zhao, Zhifang Fan, Xinyu Dai, Rui Xia
To validate the feasibility and compatibility of GTS, we implement three different GTS models respectively based on CNN, BiLSTM, and BERT, and conduct experiments on the aspect-oriented opinion pair extraction and opinion triplet extraction datasets.
Ranked #1 on Aspect Sentiment Triplet Extraction on Res14
Aspect-Sentiment-Opinion Triplet Extraction Aspect Sentiment Triplet Extraction
no code implementations • 12 Aug 2020 • Yunhong Li, Anis. Matoussi, Lifeng Wei, Zhen Wu
In this paper, we study backward doubly stochastic recursive optimal control problem where the cost function is described by the solution of a backward doubly stochastic differential equation.
Probability Optimization and Control
1 code implementation • 7 Jan 2020 • Zhen Wu, Fei Zhao, Xin-yu Dai, Shu-Jian Huang, Jia-Jun Chen
In this paper, we propose a novel model to transfer these opinions knowledge from resource-rich review sentiment classification datasets to low-resource task TOWE.
Aspect-oriented Opinion Extraction General Classification +3
1 code implementation • NAACL 2019 • Zhifang Fan, Zhen Wu, Xin-yu Dai, Shu-Jian Huang, Jia-Jun Chen
In this paper, we propose a novel sequence labeling subtask for ABSA named TOWE (Target-oriented Opinion Words Extraction), which aims at extracting the corresponding opinion words for a given opinion target.
Aspect-Based Sentiment Analysis Aspect-oriented Opinion Extraction +2
1 code implementation • 24 Jan 2018 • Zhen Wu, Xin-yu Dai, Cunyan Yin, Shu-Jian Huang, Jia-Jun Chen
Recently, some works achieved improvement by incorporating user and product information to generate a review representation.
Ranked #3 on Sentiment Analysis on User and product information