Search Results for author: Haoran Yang

Found 19 papers, 8 papers with code

Unveiling the Generalization Power of Fine-Tuned Large Language Models

1 code implementation14 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.

In-Context Learning

A Thorough Examination of Decoding Methods in the Era of LLMs

no code implementations10 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.

Quantization

Hyperedge Interaction-aware Hypergraph Neural Network

no code implementations28 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.

HC-Ref: Hierarchical Constrained Refinement for Robust Adversarial Training of GNNs

no code implementations8 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.

Node Classification

A Frustratingly Simple Decoding Method for Neural Text Generation

1 code implementation22 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.

Language Modelling Text Generation

Chain-of-Dictionary Prompting Elicits Translation in Large Language Models

no code implementations11 May 2023 Hongyuan Lu, Haoyang Huang, Dongdong Zhang, Haoran Yang, 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.

In-Context Learning Machine Translation +1

Being Automated or Not? Risk Identification of Occupations with Graph Neural Networks

no code implementations6 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.

Decision Making

Generating Counterfactual Hard Negative Samples for Graph Contrastive Learning

no code implementations1 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.

Contrastive Learning counterfactual +2

COSPLAY: Concept Set Guided Personalized Dialogue Generation Across Both Party Personas

1 code implementation2 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.

Dialogue Generation

Parameter-Efficient Tuning by Manipulating Hidden States of Pretrained Language Models For Classification Tasks

no code implementations10 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.

Graph Masked Autoencoders with Transformers

1 code implementation17 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.

Graph Classification Node Classification

Dual Space Graph Contrastive Learning

no code implementations19 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.

Contrastive Learning Graph Learning +1

Hyper Meta-Path Contrastive Learning for Multi-Behavior Recommendation

no code implementations7 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.

Contrastive Learning Multi-Task Learning +1

Contrastive Representation Learning for Exemplar-Guided Paraphrase Generation

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.

Contrastive Learning Paraphrase Generation +4

Sentence Structure and Word Relationship Modeling for Emphasis Selection

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.

Sentence Word Similarity

Semantic Segmentation by Improved Generative Adversarial Networks

no code implementations20 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.

Segmentation Semantic Segmentation

A Neural Topical Expansion Framework for Unstructured Persona-oriented Dialogue Generation

2 code implementations6 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.

Descriptive Dialogue Generation

Cannot find the paper you are looking for? You can Submit a new open access paper.