Search Results for author: Hao Xue

Found 28 papers, 12 papers with code

Large Language Models for Next Point-of-Interest Recommendation

1 code implementation19 Apr 2024 Peibo Li, Maarten de Rijke, Hao Xue, Shuang Ao, Yang song, Flora D. Salim

Our results show that the proposed framework outperforms the state-of-the-art models in all three datasets.

Prompt Mining for Language-based Human Mobility Forecasting

no code implementations6 Mar 2024 Hao Xue, Tianye Tang, Ali Payani, Flora D. Salim

Specifically, the framework includes a prompt generation stage based on the information entropy of prompts and a prompt refinement stage to integrate mechanisms such as the chain of thought.

SSTKG: Simple Spatio-Temporal Knowledge Graph for Intepretable and Versatile Dynamic Information Embedding

no code implementations19 Feb 2024 Ruiyi Yang, Flora D. Salim, Hao Xue

Our framework offers a simple but comprehensive way to understand the underlying patterns and trends in dynamic KG, thereby enhancing the accuracy of predictions and the relevance of recommendations.

Knowledge Graphs Link Prediction

Measuring Misogyny in Natural Language Generation: Preliminary Results from a Case Study on two Reddit Communities

no code implementations6 Dec 2023 Aaron J. Snoswell, Lucinda Nelson, Hao Xue, Flora D. Salim, Nicolas Suzor, Jean Burgess

Generic `toxicity' classifiers continue to be used for evaluating the potential for harm in natural language generation, despite mounting evidence of their shortcomings.

Text Generation

Utilizing Language Models for Energy Load Forecasting

1 code implementation26 Oct 2023 Hao Xue, Flora D. Salim

Energy load forecasting plays a crucial role in optimizing resource allocation and managing energy consumption in buildings and cities.

Decision Making Descriptive +1

Human Mobility Question Answering (Vision Paper)

no code implementations2 Oct 2023 Hao Xue, Flora D. Salim

The aim of the task is to let the intelligent system learn from mobility data and answer related questions.

Management Question Answering +2

MAPLE: Mobile App Prediction Leveraging Large Language Model Embeddings

1 code implementation15 Sep 2023 Yonchanok Khaokaew, Hao Xue, Flora D. Salim

This study introduces a novel prediction model, Mobile App Prediction Leveraging Large Language Model Embeddings (MAPLE), which employs Large Language Models (LLMs) and installed app similarity to overcome these challenges.

Language Modelling Large Language Model

Continually learning out-of-distribution spatiotemporal data for robust energy forecasting

1 code implementation10 Jun 2023 Arian Prabowo, KaiXuan Chen, Hao Xue, Subbu Sethuvenkatraman, Flora D. Salim

One of the primary reasons for this is the shift in distribution of occupancy patterns, with many people working or learning from home.

Traffic Forecasting on New Roads Using Spatial Contrastive Pre-Training (SCPT)

1 code implementation9 May 2023 Arian Prabowo, Hao Xue, Wei Shao, Piotr Koniusz, Flora D. Salim

During inference, the spatial encoder only requires two days of traffic data on the new roads and does not require any re-training.

Contrastive Learning

Message Passing Neural Networks for Traffic Forecasting

no code implementations9 May 2023 Arian Prabowo, Hao Xue, Wei Shao, Piotr Koniusz, Flora D. Salim

A road network, in the context of traffic forecasting, is typically modeled as a graph where the nodes are sensors that measure traffic metrics (such as speed) at that location.

Multimodal Trajectory Prediction: A Survey

no code implementations21 Feb 2023 Renhao Huang, Hao Xue, Maurice Pagnucco, Flora Salim, Yang song

Trajectory prediction is an important task to support safe and intelligent behaviours in autonomous systems.

Trajectory Prediction

CrossPyramid: Neural Ordinary Differential Equations Architecture for Partially-observed Time-series

no code implementations7 Dec 2022 Futoon M. Abushaqra, Hao Xue, Yongli Ren, Flora D. Salim

In this article, we introduce CrossPyramid, a novel ODE-based model that aims to enhance the generalizability of sequences representation.

Irregular Time Series Time Series +1

PromptCast: A New Prompt-based Learning Paradigm for Time Series Forecasting

2 code implementations20 Sep 2022 Hao Xue, Flora D. Salim

In this novel task, the numerical input and output are transformed into prompts and the forecasting task is framed in a sentence-to-sentence manner, making it possible to directly apply language models for forecasting purposes.

Language Modelling Representation Learning +6

Leveraging Language Foundation Models for Human Mobility Forecasting

1 code implementation11 Sep 2022 Hao Xue, Bhanu Prakash Voutharoja, Flora D. Salim

In this paper, we propose a novel pipeline that leverages language foundation models for temporal sequential pattern mining, such as for human mobility forecasting tasks.

Sequential Pattern Mining Temporal Sequences

COCOA: Cross Modality Contrastive Learning for Sensor Data

1 code implementation31 Jul 2022 Shohreh Deldari, Hao Xue, Aaqib Saeed, Daniel V. Smith, Flora D. Salim

Contrastive Learning (CL) is one of the most well-known approaches in SSL that attempts to learn general, informative representations of data.

Contrastive Learning Self-Supervised Learning

Beyond Just Vision: A Review on Self-Supervised Representation Learning on Multimodal and Temporal Data

no code implementations6 Jun 2022 Shohreh Deldari, Hao Xue, Aaqib Saeed, Jiayuan He, Daniel V. Smith, Flora D. Salim

Unlike existing reviews of SSRL that have pre-dominately focused upon methods in the fields of CV or NLP for a single modality, we aim to provide the first comprehensive review of multimodal self-supervised learning methods for temporal data.

Representation Learning Self-Supervised Learning +2

Event-Aware Multimodal Mobility Nowcasting

1 code implementation14 Dec 2021 Zhaonan Wang, Renhe Jiang, Hao Xue, Flora D. Salim, Xuan Song, Ryosuke Shibasaki

As a decisive part in the success of Mobility-as-a-Service (MaaS), spatio-temporal predictive modeling for crowd movements is a challenging task particularly considering scenarios where societal events drive mobility behavior deviated from the normality.

MobTCast: Leveraging Auxiliary Trajectory Forecasting for Human Mobility Prediction

no code implementations NeurIPS 2021 Hao Xue, Flora D. Salim, Yongli Ren, Nuria Oliver

Furthermore, unlike existing methods, we introduce a location prediction branch in MobTCast as an auxiliary task to model the geographical context and predict the next location.

Trajectory Forecasting

Exploring Self-Supervised Representation Ensembles for COVID-19 Cough Classification

no code implementations17 May 2021 Hao Xue, Flora D. Salim

The pre-trained feature encoder is then fine-tuned in the downstream phase to perform cough classification.

Classification Self-Supervised Learning

Time Series Change Point Detection with Self-Supervised Contrastive Predictive Coding

2 code implementations28 Nov 2020 Shohreh Deldari, Daniel V. Smith, Hao Xue, Flora D. Salim

Change Point Detection (CPD) methods identify the times associated with changes in the trends and properties of time series data in order to describe the underlying behaviour of the system.

Anomaly Detection Change Point Detection +4

TERMCast: Temporal Relation Modeling for Effective Urban Flow Forecasting

no code implementations11 Nov 2020 Hao Xue, Flora D Salim

A Transformer based long-term relation prediction module is explicitly designed to discover the periodicity and enable the three components to be jointly modeled This module predicts the periodic relation which is then used to yield the predicted urban flow tensor.

Relation

Scene Gated Social Graph: Pedestrian Trajectory Prediction Based on Dynamic Social Graphs and Scene Constraints

no code implementations12 Oct 2020 Hao Xue, Du Q. Huynh, Mark Reynolds

We compare our SGSG against twenty state-of-the-art pedestrian trajectory prediction methods and the results show that the proposed method achieves superior performance on two widely used trajectory prediction benchmarks.

Pedestrian Trajectory Prediction Trajectory Prediction

Generative Adversarial Networks for Spatio-temporal Data: A Survey

no code implementations18 Aug 2020 Nan Gao, Hao Xue, Wei Shao, Sichen Zhao, Kyle Kai Qin, Arian Prabowo, Mohammad Saiedur Rahaman, Flora D. Salim

Generative Adversarial Networks (GANs) have shown remarkable success in producing realistic-looking images in the computer vision area.

Imputation Time Series +2

Take a NAP: Non-Autoregressive Prediction for Pedestrian Trajectories

no code implementations21 Apr 2020 Hao Xue, Du. Q. Huynh, Mark Reynolds

Pedestrian trajectory prediction is a challenging task as there are three properties of human movement behaviors which need to be addressed, namely, the social influence from other pedestrians, the scene constraints, and the multimodal (multiroute) nature of predictions.

Pedestrian Trajectory Prediction Trajectory Prediction

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