Search Results for author: Jiaxin Ding

Found 11 papers, 3 papers with code

Characterizing the Influence of Topology on Graph Learning Tasks

no code implementations11 Apr 2024 Kailong Wu, Yule Xie, Jiaxin Ding, Yuxiang Ren, Luoyi Fu, Xinbing Wang, Chenghu Zhou

Graph neural networks (GNN) have achieved remarkable success in a wide range of tasks by encoding features combined with topology to create effective representations.

Graph Learning Stochastic Block Model

Covidia: COVID-19 Interdisciplinary Academic Knowledge Graph

no code implementations14 Apr 2023 Cheng Deng, Jiaxin Ding, Luoyi Fu, Weinan Zhang, Xinbing Wang, Chenghu Zhou

In this work, we propose Covidia, COVID-19 interdisciplinary academic knowledge graph to bridge the gap between knowledge of COVID-19 on different domains.

Classification Contrastive Learning +2

PK-Chat: Pointer Network Guided Knowledge Driven Generative Dialogue Model

2 code implementations2 Apr 2023 Cheng Deng, Bo Tong, Luoyi Fu, Jiaxin Ding, Dexing Cao, Xinbing Wang, Chenghu Zhou

In the research of end-to-end dialogue systems, using real-world knowledge to generate natural, fluent, and human-like utterances with correct answers is crucial.

Knowledge Graphs Language Modelling +1

Disentangled Graph Contrastive Learning for Review-based Recommendation

no code implementations4 Sep 2022 Yuyang Ren, Haonan Zhang, Qi Li, Luoyi Fu, Jiaxin Ding, Xinde Cao, Xinbing Wang, Chenghu Zhou

In review-based recommendation methods, review data is considered as auxiliary information that can improve the quality of learned user/item or interaction representations for the user rating prediction task.

Contrastive Learning Recommendation Systems

CLARA: A Constrained Reinforcement Learning Based Resource Allocation Framework for Network Slicing

no code implementations16 Nov 2021 Yongshuai Liu, Jiaxin Ding, Zhi-Li Zhang, Xin Liu

Network slicing is proposed as a promising solution for resource utilization in 5G and future networks to address this dire need.

Management reinforcement-learning +1

Bandit Policies for Reliable Cellular Network Handovers in Extreme Mobility

no code implementations28 Oct 2020 Yuanjie Li, Esha Datta, Jiaxin Ding, Ness Shroff, Xin Liu

The demand for seamless Internet access under extreme user mobility, such as on high-speed trains and vehicles, has become a norm rather than an exception.

Thompson Sampling

Heterogeneous Interventions Reduce the Spread of COVID-19 in Simulations on Real Mobility Data

1 code implementation14 Aug 2020 Haotian Wang, Abhirup Ghosh, Jiaxin Ding, Rik Sarkar, Jie Gao

Major interventions have been introduced worldwide to slow down the spread of the SARS-CoV-2 virus.

Social and Information Networks Physics and Society

IPO: Interior-point Policy Optimization under Constraints

no code implementations21 Oct 2019 Yongshuai Liu, Jiaxin Ding, Xin Liu

In this paper, we study reinforcement learning (RL) algorithms to solve real-world decision problems with the objective of maximizing the long-term reward as well as satisfying cumulative constraints.

reinforcement-learning Reinforcement Learning (RL)

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