no code implementations • 17 Oct 2024 • Dairui Liu, Honghui Du, Boming Yang, Neil Hurley, Aonghus Lawlor, Irene Li, Derek Greene, Ruihai Dong
Pre-trained transformer models have shown great promise in various natural language processing tasks, including personalized news recommendations.
no code implementations • 28 Sep 2024 • Yingjie Niu, Lanxin Lu, Rian Dolphin, Valerio Poti, Ruihai Dong
However, most of these methods rely on predefined factors to construct static stock relationship graphs due to the lack of suitable datasets, failing to capture the dynamic changes in stock relationships.
no code implementations • 19 Sep 2024 • Qin Ruan, Jin Xu, Ruihai Dong, Arjumand Younus, Tai Tan Mai, Barry O'Sullivan, Susan Leavy
Societal risk emanating from how recommender algorithms disseminate content online is now well documented.
1 code implementation • 26 Jul 2024 • Rian Dolphin, Barry Smyth, Ruihai Dong
In each case our novel approaches significantly outperform existing baselines highlighting the potential for contrastive learning to capture meaningful and actionable relationships in financial data.
1 code implementation • 29 Jan 2024 • Siteng Ma, Haochang Wu, Aonghus Lawlor, Ruihai Dong
This resolves the aforementioned disregard for target areas and redundancy.
1 code implementation • 16 Dec 2023 • Dairui Liu, Boming Yang, Honghui Du, Derek Greene, Neil Hurley, Aonghus Lawlor, Ruihai Dong, Irene Li
The results show LLM's effectiveness in accurately identifying topics of interest and delivering comprehensive topic-based explanations.
1 code implementation • 2 Aug 2023 • Haiwen Du, Zheng Ju, Yu An, Honghui Du, Dongjie Zhu, Zhaoshuo Tian, Aonghus Lawlor, Ruihai Dong
To make the analysis model applicable to more environments, we propose a noise patterns transferring model, which takes the spectrum of standard water samples in different environments as cases and learns the differences in their noise patterns, thus enabling noise patterns to transfer to unknown samples.
1 code implementation • 13 Jul 2023 • Boming Yang, Dairui Liu, Toyotaro Suzumura, Ruihai Dong, Irene Li
Precisely recommending candidate news articles to users has always been a core challenge for personalized news recommendation systems.
1 code implementation • 13 Jun 2023 • Dairui Liu, Derek Greene, Irene Li, Xuefei Jiang, Ruihai Dong
News recommender systems (NRS) have been widely applied for online news websites to help users find relevant articles based on their interests.
no code implementations • 12 Jun 2023 • Xuefei Jiang, Dairui Liu, Ruihai Dong
In recent years, many recommender systems have utilized textual data for topic extraction to enhance interpretability.
1 code implementation • 14 May 2023 • Yingjie Niu, Linyi Yang, Ruihai Dong, Yue Zhang
Our method has been theoretically and empirically shown to be effective in enhancing the generalization ability of both generative and discriminative models.
no code implementations • 29 Apr 2023 • Rian Dolphin, Barry Smyth, Ruihai Dong
We discuss why time-series data can present some significant representational challenges for conventional case-based reasoning approaches, and in response, we propose a novel representation based on stock returns embeddings, which can be readily calculated from raw stock returns data.
1 code implementation • 11 Nov 2022 • Rian Dolphin, Barry Smyth, Ruihai Dong
Industry classification schemes provide a taxonomy for segmenting companies based on their business activities.
2 code implementations • Findings (ACL) 2022 • Dairui Liu, Derek Greene, Ruihai Dong
Many recent deep learning-based solutions have widely adopted the attention-based mechanism in various tasks of the NLP discipline.
1 code implementation • 14 Feb 2022 • Rian Dolphin, Barry Smyth, Ruihai Dong
Identifying meaningful relationships between the price movements of financial assets is a challenging but important problem in a variety of financial applications.
no code implementations • 5 Jan 2022 • Linyi Yang, Jiazheng Li, Ruihai Dong, Yue Zhang, Barry Smyth
Financial forecasting has been an important and active area of machine learning research because of the challenges it presents and the potential rewards that even minor improvements in prediction accuracy or forecasting may entail.
no code implementations • 16 Jul 2021 • Qin Ruan, Brian Mac Namee, Ruihai Dong
Leveraging unlabelled data through weak or distant supervision is a compelling approach to developing more effective text classification models.
1 code implementation • 7 Jul 2021 • Rian Dolphin, Barry Smyth, Yang Xu, Ruihai Dong
Forecasting stock returns is a challenging problem due to the highly stochastic nature of the market and the vast array of factors and events that can influence trading volume and prices.
no code implementations • 29 Jun 2021 • Linyi Yang, Tin Lok James Ng, Barry Smyth, Ruihai Dong
The explosion in the sheer magnitude and complexity of financial news data in recent years makes it increasingly challenging for investment analysts to extract valuable insights and perform analysis.
1 code implementation • ACL 2021 • Linyi Yang, Jiazheng Li, Pádraig Cunningham, Yue Zhang, Barry Smyth, Ruihai Dong
While state-of-the-art NLP models have been achieving the excellent performance of a wide range of tasks in recent years, important questions are being raised about their robustness and their underlying sensitivity to systematic biases that may exist in their training and test data.
no code implementations • NAACL (DLG4NLP) 2022 • Irene Li, Aosong Feng, Hao Wu, Tianxiao Li, Toyotaro Suzumura, Ruihai Dong
Besides, the model allows better interpretability for predicted labels as the token-label edges are exposed.
no code implementations • COLING 2020 • Linyi Yang, Eoin M. Kenny, Tin Lok James Ng, Yi Yang, Barry Smyth, Ruihai Dong
Corporate mergers and acquisitions (M&A) account for billions of dollars of investment globally every year, and offer an interesting and challenging domain for artificial intelligence.
no code implementations • 13 Feb 2019 • Linyi Yang, Zheng Zhang, Su Xiong, Lirui Wei, James Ng, Lina Xu, Ruihai Dong
It has been shown that financial news leads to the fluctuation of stock prices.