no code implementations • 10 Dec 2024 • Kai Yuan, Xiaobing Pei, Haoran Yang
To address this problem, we propose a Adversarial Attacks on High-level Semantics in Graph Neural Networks (AHSG), which is a graph structure attack model that ensures the retention of primary semantics.
1 code implementation • 10 Dec 2024 • Yanwei Yue, Guibin Zhang, Haoran Yang, Dawei Cheng
Compared to current IMP-based GLT methods, our framework achieves a double-win situation of graph lottery tickets with \textbf{higher sparsity} and \textbf{faster speeds}.
no code implementations • 22 Oct 2024 • Arnaud Guillin, Yu Wang, Lihu Xu, Haoran Yang
Stochastic gradient descent with momentum is a popular variant of stochastic gradient descent, which has recently been reported to have a close relationship with the underdamped Langevin diffusion.
no code implementations • 2 Sep 2024 • Haoran Yang, Xiangyu Zhao, Sirui Huang, Qing Li, Guandong Xu
Graph Contrastive Learning (GCL) is a potent paradigm for self-supervised graph learning that has attracted attention across various application scenarios.
no code implementations • 4 Jul 2024 • Hao Yang, Hongyuan Lu, Xinhua Zeng, Yang Liu, Xiang Zhang, Haoran Yang, Yumeng Zhang, Shan Huang, Yiran Wei, Wai Lam
In the rapidly evolving field of natural language processing, dialogue systems primarily employ a single-step dialogue paradigm.
1 code implementation • 14 Mar 2024 • Haoran Yang, Yumeng Zhang, Jiaqi Xu, Hongyuan Lu, Pheng Ann Heng, Wai Lam
While Large Language Models (LLMs) have demonstrated exceptional multitasking abilities, fine-tuning these models on downstream, domain-specific datasets is often necessary to yield superior performance on test sets compared to their counterparts without fine-tuning.
1 code implementation • 10 Feb 2024 • Chufan Shi, Haoran Yang, Deng Cai, Zhisong Zhang, Yifan Wang, Yujiu Yang, Wai Lam
Decoding methods play an indispensable role in converting language models from next-token predictors into practical task solvers.
no code implementations • 28 Jan 2024 • Rongping Ye, Xiaobing Pei, Haoran Yang, Ruiqi Wang
In this paper, we propose HeIHNN, a hyperedge interaction-aware hypergraph neural network, which captures the interactions among hyperedges during the convolution process and introduce a novel mechanism to enhance information flow between hyperedges and nodes.
no code implementations • 8 Dec 2023 • Xiaobing Pei, Haoran Yang, Gang Shen
Recent studies have shown that attackers can catastrophically reduce the performance of GNNs by maliciously modifying the graph structure or node features on the graph.
1 code implementation • 22 May 2023 • Haoran Yang, Deng Cai, Huayang Li, Wei Bi, Wai Lam, Shuming Shi
We introduce a frustratingly simple, super efficient and surprisingly effective decoding method, which we call Frustratingly Simple Decoding (FSD), for neural text generation.
1 code implementation • 11 May 2023 • Hongyuan Lu, Haoran Yang, Haoyang Huang, Dongdong Zhang, Wai Lam, Furu Wei
Large language models (LLMs) have shown surprisingly good performance in multilingual neural machine translation (MNMT) even when trained without parallel data.
1 code implementation • 28 Nov 2022 • Zihao Fu, Haoran Yang, Anthony Man-Cho So, Wai Lam, Lidong Bing, Nigel Collier
How to choose the tunable parameters?
no code implementations • 6 Sep 2022 • Dawei Xu, Haoran Yang, Marian-Andrei Rizoiu, Guandong Xu
In this paper, we study the automation risk of occupations by performing a classification task between automated and non-automated occupations.
no code implementations • 24 Jul 2022 • Haoran Yang, Xiangyu Zhao, Muyang Li, Hongxu Chen, Guandong Xu
Currently, graph learning models are indispensable tools to help researchers explore graph-structured data.
no code implementations • 1 Jul 2022 • Haoran Yang, Hongxu Chen, Sixiao Zhang, Xiangguo Sun, Qian Li, Xiangyu Zhao, Guandong Xu
In this paper, we propose a novel method to utilize \textbf{C}ounterfactual mechanism to generate artificial hard negative samples for \textbf{G}raph \textbf{C}ontrastive learning, namely \textbf{CGC}, which has a different perspective compared to those sampling-based strategies.
1 code implementation • 2 May 2022 • Chen Xu, Piji Li, Wei Wang, Haoran Yang, Siyun Wang, Chuangbai Xiao
In this work, we propose COSPLAY(COncept Set guided PersonaLized dialogue generation Across both partY personas) that considers both parties as a "team": expressing self-persona while keeping curiosity toward the partner, leading responses around mutual personas, and finding the common ground.
no code implementations • 10 Apr 2022 • Haoran Yang, Piji Li, Wai Lam
Continuous prompt tuning which prepends a few trainable vectors to the embeddings of input is one of these methods and has drawn much attention due to its effectiveness and efficiency.
1 code implementation • 17 Feb 2022 • Sixiao Zhang, Hongxu Chen, Haoran Yang, Xiangguo Sun, Philip S. Yu, Guandong Xu
In this paper, we propose Graph Masked Autoencoders (GMAEs), a self-supervised transformer-based model for learning graph representations.
no code implementations • 19 Jan 2022 • Haoran Yang, Hongxu Chen, Shirui Pan, Lin Li, Philip S. Yu, Guandong Xu
In addition, we conduct extensive experiments to analyze the impact of different graph encoders on DSGC, giving insights about how to better leverage the advantages of contrastive learning between different spaces.
no code implementations • 7 Sep 2021 • Haoran Yang, Hongxu Chen, Lin Li, Philip S. Yu, Guandong Xu
They utilize simple and fixed schemes, like neighborhood information aggregation or mathematical calculation of vectors, to fuse the embeddings of different user behaviors to obtain a unified embedding to represent a user's behavioral patterns which will be used in downstream recommendation tasks.
1 code implementation • Findings (EMNLP) 2021 • Haoran Yang, Wai Lam, Piji Li
Exemplar-Guided Paraphrase Generation (EGPG) aims to generate a target sentence which conforms to the style of the given exemplar while encapsulating the content information of the source sentence.
1 code implementation • RANLP 2021 • Haoran Yang, Wai Lam
In this paper, we propose a new framework that considers sentence structure via a sentence structure graph and word relationship via a word similarity graph.
no code implementations • 20 Apr 2021 • ZengShun Zhaoa, Yulong Wang, Ke Liu, Haoran Yang, Qian Sun, Heng Qiao
Besides, the adversarial loss aggressively encourages the output image to be close to the distribution of the ground truth.
2 code implementations • 6 Feb 2020 • Minghong Xu, Piji Li, Haoran Yang, Pengjie Ren, Zhaochun Ren, Zhumin Chen, Jun Ma
To address this, we propose a neural topical expansion framework, namely Persona Exploration and Exploitation (PEE), which is able to extend the predefined user persona description with semantically correlated content before utilizing them to generate dialogue responses.