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相关论文: Meta-Stock: Task-Difficulty-Adaptive Meta-learning…

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Machine learning is an increasingly popular tool with some success in predicting stock prices. One promising method is the Trader-Company~(TC) method, which takes into account the dynamism of the stock market and has both high predictive…

计算金融 · 定量金融 2022-11-03 Yugo Fujimoto , Kei Nakagawa , Kentaro Imajo , Kentaro Minami

Market financial forecasting is a trending area in deep learning. Deep learning models are capable of tackling the classic challenges in stock market data, such as its extremely complicated dynamics as well as long-term temporal…

统计金融 · 定量金融 2023-03-17 Shima Nabiee , Nader Bagherzadeh

Understanding the structure of multiple related tasks allows for multi-task learning to improve the generalisation ability of one or all of them. However, it usually requires training each pairwise combination of tasks together in order to…

机器学习 · 计算机科学 2022-06-03 Shikun Liu , Stephen James , Andrew J. Davison , Edward Johns

Deep neural networks have been shown to easily overfit to biased training data with label noise or class imbalance. Meta-learning algorithms are commonly designed to alleviate this issue in the form of sample reweighting, by learning a meta…

机器学习 · 计算机科学 2020-12-11 Hongxin Wei , Lei Feng , Rundong Wang , Bo An

As financial markets grow increasingly complex in the big data era, accurate stock prediction has become more critical. Traditional time series models, such as GRUs, have been widely used but often struggle to capture the intricate…

统计金融 · 定量金融 2025-08-27 Peng Zhu , Yuante Li , Yifan Hu , Sheng Xiang , Qinyuan Liu , Dawei Cheng , Yuqi Liang

Accurate transfer of information across multiple sectors to enhance model estimation is both significant and challenging in multi-sector portfolio optimization involving a large number of assets in different classes. Within the framework of…

统计方法学 · 统计学 2026-04-23 Qingliang Fan , Ruike Wu , Yanrong Yang

One popular trend in meta-learning is to learn from many training tasks a common initialization for a gradient-based method that can be used to solve a new task with few samples. The theory of meta-learning is still in its early stages,…

机器学习 · 计算机科学 2020-02-27 Nikunj Saunshi , Yi Zhang , Mikhail Khodak , Sanjeev Arora

Stock market price prediction is a significant interdisciplinary research domain that depends at the intersection of finance, statistics, and economics. Forecasting Accurately predicting stock prices has always been a focal point for…

人工智能 · 计算机科学 2026-01-19 Navin Chhibber , Sunil Khemka , Navneet Kumar Tyagi , Rohit Tewari , Bireswar Banerjee , Piyush Ranjan

Identifying meaningful relationships between the price movements of financial assets is a challenging but important problem in a variety of financial applications. However with recent research, particularly those using machine learning and…

统计金融 · 定量金融 2022-02-21 Rian Dolphin , Barry Smyth , Ruihai Dong

Meta-learning algorithms enable rapid adaptation to new tasks with minimal data, a critical capability for real-world robotic systems. This paper evaluates Model-Agnostic Meta-Learning (MAML) combined with Trust Region Policy Optimization…

机器人学 · 计算机科学 2025-11-18 Sanjar Atamuradov

Artificial intelligence is transforming financial investment decision-making frameworks, with deep reinforcement learning demonstrating substantial potential in robo-advisory applications. This paper addresses the limitations of traditional…

投资组合管理 · 定量金融 2025-02-24 Gang Huang , Xiaohua Zhou , Qingyang Song

We propose ADAPT, a meta-learning algorithm that \emph{learns} task sampling proportions under an explicit token budget for multi-task instruction tuning. Instead of fixing task weights by hand, \adapt{} maintains a continuous distribution…

计算与语言 · 计算机科学 2025-12-05 Pritam Kadasi , Abhishek Upperwal , Mayank SIngh

Many tasks in natural language processing can be viewed as multi-label classification problems. However, most of the existing models are trained with the standard cross-entropy loss function and use a fixed prediction policy (e.g., a…

计算与语言 · 计算机科学 2019-09-11 Jiawei Wu , Wenhan Xiong , William Yang Wang

This paper investigates the use of nonparametric kernel-regression to obtain a tasksimilarity aware meta-learning algorithm. Our hypothesis is that the use of tasksimilarity helps meta-learning when the available tasks are limited and may…

机器学习 · 计算机科学 2020-10-13 Arun Venkitaraman , Anders Hansson , Bo Wahlberg

Meta learning is a promising solution to few-shot learning problems. However, existing meta learning methods are restricted to the scenarios where training and application tasks share the same out-put structure. To obtain a meta model…

机器学习 · 计算机科学 2019-04-22 Yingtian Zou , Jiashi Feng

A key problem in the theory of meta-learning is to understand how the task distributions influence transfer risk, the expected error of a meta-learner on a new task drawn from the unknown task distribution. In this paper, focusing on fixed…

机器学习 · 统计学 2021-06-15 Mikhail Konobeev , Ilja Kuzborskij , Csaba Szepesvári

The goal of meta-learning is to train a model on a variety of learning tasks, such that it can adapt to new problems within only a few iterations. Here we propose a principled information-theoretic model that optimally partitions the…

机器学习 · 统计学 2020-09-10 Heinke Hihn , Daniel A. Braun

Recognizing new objects by learning from a few labeled examples in an evolving environment is crucial to obtain excellent generalization ability for real-world machine learning systems. A typical setting across current meta learning…

机器学习 · 计算机科学 2021-09-30 Zhenyi Wang , Tiehang Duan , Le Fang , Qiuling Suo , Mingchen Gao

Decision trees are widely used in high-stakes fields like finance and healthcare due to their interpretability. This work introduces an efficient, scalable method for generating synthetic pre-training data to enable meta-learning of…

机器学习 · 计算机科学 2025-11-07 Kyaw Hpone Myint , Zhe Wu , Alexandre G. R. Day , Giri Iyengar

Deep neural networks excel in regimes with large amounts of data, but tend to struggle when data is scarce or when they need to adapt quickly to changes in the task. In response, recent work in meta-learning proposes training a meta-learner…

人工智能 · 计算机科学 2018-02-27 Nikhil Mishra , Mostafa Rohaninejad , Xi Chen , Pieter Abbeel
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