no code implementations • EMNLP 2020 • Wenxuan Zhang, Yang Deng, Jing Ma, Wai Lam
Product-related question answering platforms nowadays are widely employed in many E-commerce sites, providing a convenient way for potential customers to address their concerns during online shopping.
1 code implementation • Findings (EMNLP) 2021 • Wenxuan Zhang, Yang Deng, Xin Li, Lidong Bing, Wai Lam
This motivates us to investigate the task of ABSA on QA forums (ABSA-QA), aiming to jointly detect the discussed aspects and their sentiment polarities for a given QA pair.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2
1 code implementation • Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics 2024 • Haohao Luo, Yang Deng, Ying Shen, See-Kiong Ng, Tat-Seng Chua
Multiple-choice questions (MCQs) are important in enhancing concept learning and student engagement for educational purposes.
1 code implementation • 16 Jul 2024 • Nuo Chen, Yan Wang, Yang Deng, Jia Li
This survey explores the burgeoning field of role-playing with language models, focusing on their development from early persona-based models to advanced character-driven simulations facilitated by Large Language Models (LLMs).
1 code implementation • 18 Jun 2024 • Xuan Zhang, Yang Deng, Zifeng Ren, See-Kiong Ng, Tat-Seng Chua
In this work, we introduce a new task, Proactive Agent Planning, which requires language agents to predict clarification needs based on user-agent conversation and agent-environment interaction, invoke external tools to collect valid information, and generate a plan to fulfill the user's demands.
1 code implementation • 9 Jun 2024 • Hao Li, Chenghao Yang, An Zhang, Yang Deng, Xiang Wang, Tat-Seng Chua
Crucial to addressing this real-world need are event summary and persona management, which enable reasoning for appropriate long-term dialogue responses.
no code implementations • 22 May 2024 • Weixiang Zhao, Yulin Hu, Zhuojun Li, Yang Deng, Yanyan Zhao, Bing Qin, Tat-Seng Chua
Safety alignment of large language models (LLMs) has been gaining increasing attention.
no code implementations • 20 May 2024 • Chen Huang, Yang Deng, Wenqiang Lei, Jiancheng Lv, Ido Dagan
As such, informative or hard data is assigned to the expert for annotation, while easy data is handled by the model.
no code implementations • 20 May 2024 • Yue Chen, Chen Huang, Yang Deng, Wenqiang Lei, dingnan jin, Jia Liu, Tat-Seng Chua
However, they still struggle to deliver promising performance on unseen domains, struggling to achieve effective domain transferability.
1 code implementation • 20 May 2024 • Tong Zhang, Peixin Qin, Yang Deng, Chen Huang, Wenqiang Lei, Junhong Liu, dingnan jin, Hongru Liang, Tat-Seng Chua
To this end, we introduce CLAMBER, a benchmark for evaluating LLMs using a well-organized taxonomy.
no code implementations • 16 May 2024 • Chen Huang, Xinwei Yang, Yang Deng, Wenqiang Lei, Jiancheng Lv, Tat-Seng Chua
However, successful legal case matching requires the tacit knowledge of legal practitioners, which is difficult to verbalize and encode into machines.
no code implementations • 3 May 2024 • Chuang Li, Yang Deng, Hengchang Hu, Min-Yen Kan, Haizhou Li
This paper aims to efficiently enable large language models (LLMs) to use external knowledge and goal guidance in conversational recommender system (CRS) tasks.
no code implementations • 23 Apr 2024 • Darui Lu, Yang Deng, Jordan M. Malof, Willie J. Padilla
LLMs possess some advantages over humans that may give them benefits for research, including the ability to process enormous amounts of data, find hidden patterns in data, and operate in higher-dimensional spaces.
no code implementations • 19 Apr 2024 • Yang Deng, Lizi Liao, Zhonghua Zheng, Grace Hui Yang, Tat-Seng Chua
Recent research on proactive conversational agents (PCAs) mainly focuses on improving the system's capabilities in anticipating and planning action sequences to accomplish tasks and achieve goals before users articulate their requests.
1 code implementation • 4 Apr 2024 • Chen Huang, Peixin Qin, Yang Deng, Wenqiang Lei, Jiancheng Lv, Tat-Seng Chua
The conversational recommendation system (CRS) has been criticized regarding its user experience in real-world scenarios, despite recent significant progress achieved in academia.
no code implementations • 11 Mar 2024 • Tong Zhang, Chen Huang, Yang Deng, Hongru Liang, Jia Liu, Zujie Wen, Wenqiang Lei, Tat-Seng Chua
We investigate non-collaborative dialogue agents, which are expected to engage in strategic conversations with diverse users, for securing a mutual agreement that leans favorably towards the system's objectives.
no code implementations • 8 Mar 2024 • Shuaiyi Li, Yang Deng, Deng Cai, Hongyuan Lu, Liang Chen, Wai Lam
As the typical retraining paradigm is unacceptably time- and resource-consuming, researchers are turning to model editing in order to seek an effective, consecutive, and batch-supportive way to edit the model behavior directly.
no code implementations • 23 Feb 2024 • Yang Deng, Yong Zhao, Moxin Li, See-Kiong Ng, Tat-Seng Chua
Despite the remarkable abilities of Large Language Models (LLMs) to answer questions, they often display a considerable level of overconfidence even when the question does not have a definitive answer.
1 code implementation • 23 Feb 2024 • Yang Deng, Xuan Zhang, Wenxuan Zhang, Yifei Yuan, See-Kiong Ng, Tat-Seng Chua
Web agents powered by Large Language Models (LLMs) have demonstrated remarkable abilities in planning and executing multi-step interactions within complex web-based environments, fulfilling a wide range of web navigation tasks.
no code implementations • 24 Jan 2024 • Hongru Wang, WenYu Huang, Yang Deng, Rui Wang, Zezhong Wang, YuFei Wang, Fei Mi, Jeff Z. Pan, Kam-Fai Wong
To better plan and incorporate the use of multiple sources in generating personalized response, we firstly decompose it into three sub-tasks: Knowledge Source Selection, Knowledge Retrieval, and Response Generation.
no code implementations • Findings of the Association for Computational Linguistics: EMNLP 2023 • Haohao Luo, Ying Shen, Yang Deng
Multimodal question answering (MMQA), which aims to derive the answer from multiple knowledge modalities (e. g., text, tables, and images), has received increasing attention due to its board applications.
no code implementations • 3 Dec 2023 • Yang Deng, Zifeng Ren, An Zhang, Wenqiang Lei, Tat-Seng Chua
In this work, we investigate a new task, named Goal-oriented Intelligent Tutoring Systems (GITS), which aims to enable the student's mastery of a designated concept by strategically planning a customized sequence of exercises and assessment.
no code implementations • 16 Nov 2023 • Liang Chen, Yatao Bian, Yang Deng, Deng Cai, Shuaiyi Li, Peilin Zhao, Kam-Fai Wong
Text watermarking has emerged as a pivotal technique for identifying machine-generated text.
1 code implementation • 1 Nov 2023 • Yang Deng, Wenxuan Zhang, Wai Lam, See-Kiong Ng, Tat-Seng Chua
Proactive dialogues serve as a practical yet challenging dialogue problem in the era of large language models (LLMs), where the dialogue policy planning is the key to improving the proactivity of LLMs.
1 code implementation • 19 Oct 2023 • Boyi Deng, Wenjie Wang, Fuli Feng, Yang Deng, Qifan Wang, Xiangnan He
Furthermore, we propose a defense framework that fine-tunes victim LLMs through iterative interactions with the attack framework to enhance their safety against red teaming attacks.
1 code implementation • 19 Oct 2023 • Shuaiyi Li, Yang Deng, Wai Lam
Specifically, we design a novel node memory scheme and aggregate the information over the depth dimension instead of the breadth dimension of the graph, which empowers the ability to collect long dependencies without stacking multiple layers.
no code implementations • 13 Oct 2023 • Hongru Wang, Minda Hu, Yang Deng, Rui Wang, Fei Mi, Weichao Wang, Yasheng Wang, Wai-Chung Kwan, Irwin King, Kam-Fai Wong
Open-domain dialogue system usually requires different sources of knowledge to generate more informative and evidential responses.
1 code implementation • 11 Oct 2023 • Liang Chen, Yang Deng, Yatao Bian, Zeyu Qin, Bingzhe Wu, Tat-Seng Chua, Kam-Fai Wong
Large language models (LLMs) outperform information retrieval techniques for downstream knowledge-intensive tasks when being prompted to generate world knowledge.
no code implementations • 28 Sep 2023 • Yifei Yuan, Wenxuan Zhang, Yang Deng, Wai Lam
Existing work on fashion knowledge extraction in social media is classification-based and requires to manually determine a set of fashion knowledge categories in advance.
no code implementations • 16 Sep 2023 • Zhiyuan Hu, Yue Feng, Yang Deng, Zekun Li, See-Kiong Ng, Anh Tuan Luu, Bryan Hooi
Recently, the development of large language models (LLMs) has been significantly enhanced the question answering and dialogue generation, and makes them become increasingly popular in current practical scenarios.
no code implementations • 17 Aug 2023 • Zhonghua Zheng, Lizi Liao, Yang Deng, Liqiang Nie
The integration of emotional support into various conversational scenarios presents profound societal benefits, such as social interactions, mental health counseling, and customer service.
no code implementations • 3 Jun 2023 • Xiaoyan Zhao, Yang Deng, Min Yang, Lingzhi Wang, Rui Zhang, Hong Cheng, Wai Lam, Ying Shen, Ruifeng Xu
This survey is expected to facilitate researchers' collaborative efforts to address the challenges of real-world RE systems.
1 code implementation • 23 May 2023 • Yang Deng, Lizi Liao, Liang Chen, Hongru Wang, Wenqiang Lei, Tat-Seng Chua
Conversational systems based on Large Language Models (LLMs), such as ChatGPT, show exceptional proficiency in context understanding and response generation.
1 code implementation • 22 May 2023 • Liang Chen, Hongru Wang, Yang Deng, Wai-Chung Kwan, Zezhong Wang, Kam-Fai Wong
Generating persona consistent dialogue response is important for developing an intelligent conversational agent.
2 code implementations • 19 May 2023 • Hongru Wang, Rui Wang, Fei Mi, Yang Deng, Zezhong Wang, Bin Liang, Ruifeng Xu, Kam-Fai Wong
Large Language Models (LLMs), such as \texttt{ChatGPT}, greatly empower dialogue systems with strong language understanding and generation capabilities.
1 code implementation • 17 May 2023 • Yang Deng, Wenxuan Zhang, Yifei Yuan, Wai Lam
Unlike empathetic dialogues, the system in emotional support conversations (ESC) is expected to not only convey empathy for comforting the help-seeker, but also proactively assist in exploring and addressing their problems during the conversation.
no code implementations • 4 May 2023 • Yang Deng, Wenqiang Lei, Wai Lam, Tat-Seng Chua
Proactive dialogue systems, related to a wide range of real-world conversational applications, equip the conversational agent with the capability of leading the conversation direction towards achieving pre-defined targets or fulfilling certain goals from the system side.
no code implementations • 16 Feb 2023 • Yang Deng, Wenxuan Zhang, Qian Yu, Wai Lam
Product question answering (PQA), aiming to automatically provide instant responses to customer's questions in E-Commerce platforms, has drawn increasing attention in recent years.
no code implementations • 31 Jan 2023 • Simiao Ren, Yang Deng, Willie J. Padilla, Leslie Collins, Jordan Malof
Deep learning (DL) is revolutionizing the scientific computing community.
1 code implementation • 17 Oct 2022 • Weiwen Xu, Xin Li, Yang Deng, Wai Lam, Lidong Bing
Specifically, a novel Peer Data Augmentation (PeerDA) approach is proposed which employs span pairs with the PR relation as the augmentation data for training.
1 code implementation • 17 Oct 2022 • Yang Deng, Wenqiang Lei, Wenxuan Zhang, Wai Lam, Tat-Seng Chua
To facilitate conversational question answering (CQA) over hybrid contexts in finance, we present a new dataset, named PACIFIC.
1 code implementation • 17 Oct 2022 • Weiwen Xu, Yang Deng, Wenqiang Lei, Wenlong Zhao, Tat-Seng Chua, Wai Lam
We study automatic Contract Clause Extraction (CCE) by modeling implicit relations in legal contracts.
1 code implementation • 14 Apr 2022 • Yang Deng, Wenxuan Zhang, Weiwen Xu, Wenqiang Lei, Tat-Seng Chua, Wai Lam
In this work, we propose a novel Unified MultI-goal conversational recommeNDer system, namely UniMIND.
no code implementations • 4 Mar 2022 • Pengbo Liu, Yang Deng, Ce Wang, Yuan Hui, Qian Li, Jun Li, Shiwei Luo, Mengke Sun, Quan Quan, Shuxin Yang, You Hao, Honghu Xiao, Chunpeng Zhao, Xinbao Wu, S. Kevin Zhou
Firstly, while it is ideal to learn such a model from a large-scale, fully-annotated dataset, it is practically hard to curate such a dataset.
1 code implementation • 2 Mar 2022 • Wenxuan Zhang, Xin Li, Yang Deng, Lidong Bing, Wai Lam
More specifically, we provide a new taxonomy for ABSA which organizes existing studies from the axes of concerned sentiment elements, with an emphasis on recent advances of compound ABSA tasks.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA)
1 code implementation • 7 Feb 2022 • Yang Deng, Wenxuan Zhang, Wai Lam, Hong Cheng, Helen Meng
In this paper, we propose a novel framework, namely USDA, to incorporate the sequential dynamics of dialogue acts for predicting user satisfaction, by jointly learning User Satisfaction Estimation and Dialogue Act Recognition tasks.
no code implementations • 29 Jan 2022 • Simiao Ren, Yang Deng, Willie J. Padilla, Jordan Malof
Deep learning (DL) is revolutionizing the scientific computing community.
1 code implementation • 27 Dec 2021 • Yang Deng, Yaliang Li, Wenxuan Zhang, Bolin Ding, Wai Lam
Recently, Product Question Answering (PQA) on E-Commerce platforms has attracted increasing attention as it can act as an intelligent online shopping assistant and improve the customer shopping experience.
2 code implementations • 19 Dec 2021 • Simiao Ren, Ashwin Mahendra, Omar Khatib, Yang Deng, Willie J. Padilla, Jordan M. Malof
Deep learning (DL) inverse techniques have increased the speed of artificial electromagnetic material (AEM) design and improved the quality of resulting devices.
no code implementations • ICLR 2022 • Juncheng Dong, Simiao Ren, Yang Deng, Omar Khatib, Jordan Malof, Mohammadreza Soltani, Willie Padilla, Vahid Tarokh
To this end, we propose a physics-infused deep neural network based on the Blaschke products for phase retrieval.
1 code implementation • EMNLP 2021 • Wenxuan Zhang, Yang Deng, Xin Li, Yifei Yuan, Lidong Bing, Wai Lam
Aspect-based sentiment analysis (ABSA) has been extensively studied in recent years, which typically involves four fundamental sentiment elements, including the aspect category, aspect term, opinion term, and sentiment polarity.
Ranked #3 on Aspect-Based Sentiment Analysis (ABSA) on TASD
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2
1 code implementation • Findings (EMNLP) 2021 • Weiwen Xu, Yang Deng, Huihui Zhang, Deng Cai, Wai Lam
We propose a novel Chain Guided Retriever-reader ({\tt CGR}) framework to model the reasoning chain for multi-hop Science Question Answering.
1 code implementation • Findings (EMNLP) 2021 • Yuexiang Xie, Fei Sun, Yang Deng, Yaliang Li, Bolin Ding
However, existing metrics either neglect the intrinsic cause of the factual inconsistency or rely on auxiliary tasks, leading to an unsatisfied correlation with human judgments or increasing the inconvenience of usage in practice.
1 code implementation • ACL 2021 • Wenxuan Zhang, Xin Li, Yang Deng, Lidong Bing, Wai Lam
Aspect-based sentiment analysis (ABSA) has received increasing attention recently.
Ranked #4 on Aspect Sentiment Triplet Extraction on ASTE-Data-V2
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2
no code implementations • WNUT (ACL) 2021 • Yang Deng, Wenxuan Zhang, Wai Lam
In this work, we propose a novel and easy-to-apply data augmentation strategy, namely Bilateral Generation (BiG), with a contrastive training objective for improving the performance of ranking question answer pairs with existing labeled data.
2 code implementations • 31 May 2021 • Yang Deng, Ce Wang, Yuan Hui, Qian Li, Jun Li, Shiwei Luo, Mengke Sun, Quan Quan, Shuxin Yang, You Hao, Pengbo Liu, Honghu Xiao, Chunpeng Zhao, Xinbao Wu, S. Kevin Zhou
Spine-related diseases have high morbidity and cause a huge burden of social cost.
no code implementations • 20 May 2021 • Yang Deng, Yaliang Li, Fei Sun, Bolin Ding, Wai Lam
However, existing methods mainly target at solving one or two of these three decision-making problems in CRS with separated conversation and recommendation components, which restrict the scalability and generality of CRS and fall short of preserving a stable training procedure.
no code implementations • 12 Apr 2021 • Yang Deng, Yuexiang Xie, Yaliang Li, Min Yang, Wai Lam, Ying Shen
Answer selection, which is involved in many natural language processing applications such as dialog systems and question answering (QA), is an important yet challenging task in practice, since conventional methods typically suffer from the issues of ignoring diverse real-world background knowledge.
no code implementations • COLING 2020 • Yang Deng, Wenxuan Zhang, Wai Lam
Multi-turn response selection has been extensively studied and applied to many real-world applications in recent years.
no code implementations • 15 Oct 2020 • Yang Deng, Ziyao Xu, Li Zhou, Huanping Liu, Anqi Huang
Starting from the essence of the music, the article constructs a music-rule-identifying algorithm through extracting modes, which will identify the stability of the mode of machine-generated music, to judge whether it is artificial intelligent.
1 code implementation • EMNLP 2020 • Yang Deng, Wenxuan Zhang, Wai Lam
Question-driven summarization has been recently studied as an effective approach to summarizing the source document to produce concise but informative answers for non-factoid questions.
1 code implementation • 27 Aug 2020 • Yang Deng, Wenxuan Zhang, Wai Lam
There are two main challenges when exploiting the opinion information from the reviews to facilitate the opinion-aware answer generation: (i) jointly modeling opinionated and interrelated information between the question and reviews to capture important information for answer generation, (ii) aggregating diverse opinion information to uncover the common opinion towards the given question.
no code implementations • 28 Jun 2020 • Wenxuan Zhang, Yang Deng, Wai Lam
In this paper, we investigate the answer ranking problem for product-related questions, with the relevant reviews treated as auxiliary information that can be exploited for facilitating the ranking.
1 code implementation • 13 Mar 2020 • Wenxuan Zhang, Wai Lam, Yang Deng, Jing Ma
In this paper, we propose the Review-guided Answer Helpfulness Prediction (RAHP) model that not only considers the interactions between QA pairs but also investigates the opinion coherence between the answer and crowds' opinions reflected in the reviews, which is another important factor to identify helpful answers.
1 code implementation • 22 Nov 2019 • Yang Deng, Wai Lam, Yuexiang Xie, Daoyuan Chen, Yaliang Li, Min Yang, Ying Shen
Community question answering (CQA) gains increasing popularity in both academy and industry recently.
no code implementations • 6 Jan 2019 • Yang Deng, Yao Sun, Yongpei Zhu, Yue Xu, Qianxi Yang, Shuo Zhang, Mingwang Zhu, Jirang Sun, Weiling Zhao, Xiaobo Zhou, Kehong Yuan
In this paper, we propose a new criterion to evaluate efforts of doctors annotating medical image.
2 code implementations • 6 Dec 2018 • Yang Deng, Yuexiang Xie, Yaliang Li, Min Yang, Nan Du, Wei Fan, Kai Lei, Ying Shen
Second, these two tasks can benefit each other: answer selection can incorporate the external knowledge from knowledge base (KB), while KBQA can be improved by learning contextual information from answer selection.
no code implementations • 5 Dec 2018 • Kai Lei, Bing Zhang, Yong liu, Yang Deng, Dongyu Zhang, Ying Shen
In Question Entity Discovery and Linking (QEDL) problem, traditional methods are challenged because multiple entities in one short question are difficult to be discovered entirely and the incomplete information in short text makes entity linking hard to implement.
no code implementations • 5 Dec 2018 • Ying Shen, Yang Deng, Kaiqi Yuan, Li Liu, Yong liu
Experiments show that our selected features have achieved a precision rate of 86. 77%, a recall rate of 89. 03% and an F1 score of 87. 89%.
no code implementations • 27 Sep 2018 • Yang Deng, Yaliang Li, Ying Shen, Nan Du, Wei Fan, Min Yang, Kai Lei
In the light of these challenges, we propose a new truth discovery method, MedTruth, for medical knowledge condition discovery, which incorporates prior source quality information into the source reliability estimation procedure, and also utilizes the knowledge triple information for trustworthy information computation.
Databases
no code implementations • COLING 2018 • Yang Deng, Ying Shen, Min Yang, Yaliang Li, Nan Du, Wei Fan, Kai Lei
In this paper, we propose Knowledge-aware Attentive Network (KAN), a transfer learning framework for cross-domain answer selection, which uses the knowledge base as a bridge to enable knowledge transfer from the source domain to the target domains.
no code implementations • 1 Aug 2018 • Yao Sun, Yang Deng, Yue Xu, Shuo Zhang, Mingwang Zhu, Kehong Yuan
Magnetic Resonance Imaging (MRI) is widely used in the pathological and functional studies of the brain, such as epilepsy, tumor diagnosis, etc.
no code implementations • 23 Jul 2018 • Yang Deng, Yao Sun, Yongpei Zhu, Shuo Zhang, Mingwang Zhu, Kehong Yuan
It is on the basis of this, we propose a judgement to distinguish data sets that different models are good at.
no code implementations • 19 Jul 2018 • Yang Deng, Yao Sun, Yongpei Zhu, Mingwang Zhu, Wei Han, Kehong Yuan
How to choose appropriate training dataset from limited labeled dataset rather than the whole also has great significance in saving training time.