1 code implementation • 21 Dec 2023 • Gaël Gendron, Yang Chen, Mitchell Rogers, Yiping Liu, Mihailo Azhar, Shahrokh Heidari, David Arturo Soriano Valdez, Kobe Knowles, Padriac O'Leary, Simon Eyre, Michael Witbrock, Gillian Dobbie, Jiamou Liu, Patrice Delmas
Better understanding the natural world is a crucial task with a wide range of applications.
no code implementations • 30 Nov 2023 • Pengqian Han, Jiamou Liu, Jialing He, Zeyu Zhang, Song Yang, Yanni Tang, Partha Roop
Trajectory prediction is of significant importance in computer vision.
1 code implementation • 29 Nov 2023 • Pengqian Han, Partha Roop, Jiamou Liu, Tianzhe Bao, Yifei Wang
The main reason is that the trajectory is a kind of complex data, including spatial and temporal information, which is crucial for accurate prediction.
no code implementations • 23 Oct 2023 • Zhibo Xing, Zijian Zhang, Jiamou Liu, Ziang Zhang, Meng Li, Liehuang Zhu, Giovanni Russello
However, in practice, due to various challenges such as limited computational resources and data privacy concerns, users in need of models often cannot train machine learning models locally.
no code implementations • 17 Oct 2023 • Zeyu Zhang, Jiamou Liu, Kaiqi Zhao, Yifei Wang, Pengqian Han, Xianda Zheng, Qiqi Wang, Zijian Zhang
Signed graphs are valuable for modeling complex relationships with positive and negative connections, and Signed Graph Neural Networks (SGNNs) have become crucial tools for their analysis.
no code implementations • 15 Oct 2023 • Zeyu Zhang, Shuyan Wan, Sijie Wang, Xianda Zheng, Xinrui Zhang, Kaiqi Zhao, Jiamou Liu, Dong Hao
Signed Graph Neural Networks (SGNNs) are vital for analyzing complex patterns in real-world signed graphs containing positive and negative links.
1 code implementation • 13 Oct 2023 • Qiming Bao, Gael Gendron, Alex Yuxuan Peng, Wanjun Zhong, Neset Tan, Yang Chen, Michael Witbrock, Jiamou Liu
Despite their high performance on the original publicly available datasets, we find that all models perform poorly on these newly constructed datasets.
no code implementations • 23 Sep 2023 • Lin Ni, Sijie Wang, Zeyu Zhang, Xiaoxuan Li, Xianda Zheng, Paul Denny, Jiamou Liu
Learnersourcing offers great potential for scalable education through student content creation.
1 code implementation • 19 Sep 2023 • Qiming Bao, Juho Leinonen, Alex Yuxuan Peng, Wanjun Zhong, Gaël Gendron, Timothy Pistotti, Alice Huang, Paul Denny, Michael Witbrock, Jiamou Liu
When learnersourcing multiple-choice questions, creating explanations for the solution of a question is a crucial step; it helps other students understand the solution and promotes a deeper understanding of related concepts.
1 code implementation • 21 May 2023 • Qiming Bao, Alex Yuxuan Peng, Zhenyun Deng, Wanjun Zhong, Gael Gendron, Timothy Pistotti, Neset Tan, Nathan Young, Yang Chen, Yonghua Zhu, Paul Denny, Michael Witbrock, Jiamou Liu
Combining large language models with logical reasoning enhances their capacity to address problems in a robust and reliable manner.
no code implementations • 7 Mar 2023 • Mengxiao Zhang, Fernando Beltran, Jiamou Liu
Data pricing, as a key function of a data marketplace, demands quantifying the monetary value of data.
1 code implementation • 3 Mar 2023 • Song Yang, Jiamou Liu, Kaiqi Zhao
Instead, we propose a user-agnostic global trajectory flow map and a novel Graph Enhanced Transformer model (GETNext) to better exploit the extensive collaborative signals for a more accurate next POI prediction, and alleviate the cold start problem in the meantime.
no code implementations • 16 Feb 2023 • Libo Zhang, Yang Chen, Toru Takisaka, Bakh Khoussainov, Michael Witbrock, Jiamou Liu
In real-world multi-agent systems, in addition to being in an equilibrium, agents' policies are often expected to meet requirements with respect to safety, and fairness.
1 code implementation • 12 Feb 2023 • Yifei Wang, Yupan Wang, Zeyu Zhang, Song Yang, Kaiqi Zhao, Jiamou Liu
To this end, we propose USER, an unsupervised robust version of graph neural networks that is based on structural entropy.
no code implementations • 11 Feb 2023 • Jialing He, Jiamou Liu, Zijian Zhang, Yang Chen, Yiwei Liu, Bakh Khoussainov, Liehuang Zhu
Non-intrusive load monitoring (NILM) aims to decompose aggregated electrical usage signal into appliance-specific power consumption and it amounts to a classical example of blind source separation tasks.
no code implementations • 17 Aug 2022 • Jaron Mar, Jiamou Liu
Few-shot learning (FSL) is an emergent paradigm of learning that attempts to learn to reason with low sample complexity to mimic the way humans learn, generalise and extrapolate from only a few seen examples.
1 code implementation • 28 Jul 2022 • Qiming Bao, Alex Yuxuan Peng, Tim Hartill, Neset Tan, Zhenyun Deng, Michael Witbrock, Jiamou Liu
In our model, reasoning is performed using an iterative memory neural network based on RNN with a gated attention mechanism.
no code implementations • Findings (NAACL) 2022 • Jaron Mar, Jiamou Liu
Understanding, modelling and predicting human risky decision-making is challenging due to intrinsic individual differences and irrationality.
no code implementations • 13 Feb 2022 • Yang Chen, Libo Zhang, Jiamou Liu, Shuyue Hu
This limitation invalidates existing IRL methods on MFGs with non-cooperative environments.
no code implementations • 19 Nov 2021 • Lin Ni, Qiming Bao, Xiaoxuan Li, Qianqian Qi, Paul Denny, Jim Warren, Michael Witbrock, Jiamou Liu
We propose DeepQR, a novel neural-network model for AQQR that is trained using multiple-choice-question (MCQ) datasets collected from PeerWise, a widely-used learnersourcing platform.
no code implementations • 27 Oct 2021 • Sikai Zhang, Hong Zheng, Hongyi Su, Bo Yan, Jiamou Liu, Song Yang
The main novelty of the model is the integration of time series of four different time granularities: the original time series, together with hourly, daily, and weekly time series.
1 code implementation • International Conference on Data Mining (ICDM) 2021 • Song Yang, Jiamou Liu, Kaiqi Zhao
We argue that such correlations are universal and play a pivotal role in traffic flow.
no code implementations • 11 Sep 2021 • Song Yang, Jiamou Liu, Kaiqi Zhao
We argue that such correlations are universal and play a pivotal role in traffic flow.
no code implementations • ACL 2021 • Bin Sun, Shaoxiong Feng, Yiwei Li, Jiamou Liu, Kan Li
Conditional Variational AutoEncoder (CVAE) effectively increases the diversity and informativeness of responses in open-ended dialogue generation tasks through enriching the context vector with sampled latent variables.
no code implementations • 28 May 2021 • Bin Sun, Shaoxiong Feng, Yiwei Li, Jiamou Liu, Kan Li
In this work, we proposed a conversation model named "THINK" (Teamwork generation Hover around Impressive Noticeable Keywords) to make the decoder more complicated and avoid generating duplicated and self-contradicting responses.
no code implementations • 29 Apr 2021 • Yang Chen, Libo Zhang, Jiamou Liu, Michael Witbrock
However, existing IRL methods for MFGs are powerless to reason about uncertainties in demonstrated behaviours of individual agents.
2 code implementations • Proceedings of the Australasian Computer Science Week Multi-conference (ACSW 2020) 2020 • Qiming Bao, Lin Ni, Jiamou Liu
This paper proposes a chatbot framework that adopts a hybrid model which consists of a knowledge graph and a text similarity model.
1 code implementation • NeurIPS 2019 • Yiwei Liu, Jiamou Liu, Zijian Zhang, Liehuang Zhu, Angsheng Li
This paper focuses on the privacy risks of disclosing the community structure in an online social network.
no code implementations • 26 Oct 2018 • Helen Jiahe Zhao, Jiamou Liu
Furthermore, we also measure the model accuracies with different answer context lengths and different Bible translations.
no code implementations • 2 May 2018 • Bo Yan, Yiping Liu, Jiamou Liu, Yijin Cai, Hongyi Su, Hong Zheng
We model integration as the interplay between the newcomer and the dynamics network and capture information brokerage using a process of relationship building.