Synergising Learning Theory, Learning Analytics, and Educational Technologies

7 December 2023 1:00pm
This thesis addresses this gap by proposing a triadic relationship among learning theories, educational technologies, and learning analytics.

AlgorithmOS, a self organising modular framework for the implementation of algorithmic research

27 November 2023 11:00am
One open research problem in this field is how do we fully automate task creation?

Normalization for relational and graph databases

20 November 2023 12:00pm
State-of-the-art methods for relational databases date back until the late 1970s, and compute a lossless, dependency-preserving decomposition into Third Normal Form (3NF), which will be in Boyce-Codd Normal Form (BCNF) whenever possible. The talk will showcase two very recent new developments.

Database integration in multidatabase systems

8 November 2023 11:45am
In this session, I will provide an overview of database integration, including the motivation, problem definition, important tasks and real-world examples.

Measurement, Scales, Averages, Meaningfulness

7 November 2023 10:00am
In this talk, we will introduce the fundamental notions about scales of measurement and meaningfulness, and we will show how they apply to IR evaluation measures.

Large Language Models: Risks, Opportunities and Responses

29 October 2023 2:00pm
This talk will give a high level overview of Large Language Models and present my thoughts on the potential benefits and likely risks of AI and what we should be doing about them.

Process Mining: Opportunities and Challenges

18 October 2023 1:00pm
In this talk I will first briefly introduce my previous work in Immersive Analytics, which includes the visualisation of abstract and 3D data in multiple XR scenarios.

On using language models for relevance labelling

16 October 2023 2:00pm
Speaker: Dr Paul Thomas, Microsoft
We report on experiments using GPT-4, a recent large language model, to label documents for relevance.

AI-driven Approaches for Effective Systematic Review Literature Screening

13 October 2023 3:00pm
This work aims to minimise the costs associated with the process of creating systematic reviews.

Evaluating and Improving Text to Image Alignment with Latent Diffusion Models

4 October 2023 1:00pm
Our study delves into a novel decompositional approach to enhance and evaluate text-to-image alignment.

Igniting Innovation: How Queensland's AI Hub Fuels Growth and Opportunity

20 September 2023 3:00pm
Speaker: Toni Peggrem
Are you interested in the future of artificial intelligence (AI) in Queensland? Join us for an exclusive one-hour talk into the Queensland AI Hub.

Towards Cost-Efficient Federated Multi-Agent Reinforcement Learning with Learnable Aggregation

20 September 2023 1:00pm
Speaker: Yi Zhang
We introduce a client-server framework designed to fortify MARL in real-world scenarios, achieving scalability, parallelization, and privacy preservation.

Immersive Data Visualisation and Interactive AI

20 September 2023 1:00pm
Speaker: Dr Maxime Cordeil (University of Queensland)
In this talk I will first briefly introduce my previous work in Immersive Analytics, which includes the visualisation of abstract and 3D data in multiple XR scenarios.

Enhancing Vision-and-Language Navigation with Multi-modal Prompts

20 September 2023 12:00pm
Speaker: Haodong Hong
Our research introduces a novel task, Vision-and-Language Navigation with Multi-modal Prompts (VLN-MP), in which instructions consist of both natural language and images as prompts.

Model Selection and Model Generalizability of Deep Neural Networks

19 September 2023 2:00pm
Speaker: Ekaterina Khramtsova
In this research, we explore various methods for assessing the generalisability of Deep Neural Networks on OOD samples within different scenarios, namely for model selection and for performance estimation.

Towards Robustness: Boosting Approaches for Learning from Positive and Unlabeled Data

19 September 2023 2:00pm
Speaker: Yawen Zhao
By overcoming three key challenges, we aim to work towards PU boosting methods which have superior performance alongside computational efficiency and minimal dependence on hyperparameter tuning.

Empowering Foundation Models for Unsupervised Bi-Temporal Analysis in Satellite Imagery

14 September 2023 11:30am
Speaker: Yiyun Zhang
In this study, we propose novel unsupervised approaches for BTRS analysis, specifically focusing on change and damage detection in buildings, without the need to use any annotations.

Graph Neural Networks for Large Dynamic Graphs

13 September 2023 1:00pm
Speaker: Yanping Zheng (DATA61-CSIRO)
My research focuses on improving the scalability and expressiveness of dynamic graph neural networks.

Generating data-driven continuous optimization problems for benchmarking

8 September 2023 11:00am
Speaker: Sara Hajari
In this research, a detailed exploration of problem instance generation is carried out, and possible ways this approach can be used in benchmarking practice are discussed.

Trustworthy Recommendation under Limited Data

7 September 2023 11:00am
Speaker: Chenhao Zhang
My research aims to improve recommendation systems in low-data scenarios, benefiting small and medium-sized companies and responding to public emergencies.

Machine learning guided scientific experiments

6 September 2023 3:00pm
Speaker: Cheng Soon Ong, Data61, CSIRO
The AI hype claims that everything can be solved by AI. The reality is that while there are many exciting advances in recent years, many open problems remain.

Automating Expertise in Format Identification: From Experts, Through Novices, to Machines

4 September 2023 12:30pm
Speaker: Shaochen Yu
As the role of data amplifies in decision-making, our methodologies promise efficient and streamlined solutions in format identification.

On the Role of Human and Machine Metadata in Crowdsourced Data Annotation

4 September 2023 11:00am
Speaker: Jiechen Xu
The process of data annotation, also referred to as data labeling, is a crucial step in various research fields like machine learning and behavioral studies.

Generalized Out-of-distribution Detection: Theory and Algorithm

23 August 2023 1:00pm
Speaker: Dr Zhen Fang (University of Technology Sydney)
In this talk, we will present the latest advancements in OOD detection theory, and OOD detection algorithms.

A Study on Practical Bluetooth Map-matching

22 August 2023 11:00am
Speaker: Zichun Zhu

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