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Multi-step stock index forecasting is vital in finance for informed decision-making. Current forecasting methods on this task frequently produce unsatisfactory results due to the inherent data randomness and instability, thereby…

机器学习 · 计算机科学 2024-02-19 Cheng Zhang , Nilam Nur Amir Sjarif , Roslina Ibrahim

The systemic stability of a stock market is one of the core issues in the financial field. The market can be regarded as a complex network whose nodes are stocks connected by edges that signify their correlation strength. Since the market…

统计金融 · 定量金融 2022-04-15 Xinyu Wang , Liang Zhao , Ning Zhang , Liu Feng , Haibo Lin

Whether or not stocks are predictable has been a topic of concern for decades.The efficient market hypothesis (EMH) says that it is difficult for investors to make extra profits by predicting stock prices, but this may not be true,…

数值分析 · 数学 2023-07-07 Yueshan Chen , Xingyu Xu , Tian Lan , Sihai Zhang

Large language models (LLMs) are increasingly deployed in cost-sensitive and on-device scenarios, and safety guardrails have advanced mainly in English. However, real-world Chinese malicious queries typically conceal intent via homophones,…

计算与语言 · 计算机科学 2026-01-06 Zhenhong Zhou , Shilinlu Yan , Chuanpu Liu , Qiankun Li , Kun Wang , Zhigang Zeng

Multi-modal large language models(MLLMs) have achieved remarkable progress and demonstrated powerful knowledge comprehension and reasoning abilities. However, the mastery of domain-specific knowledge, which is essential for evaluating the…

计算与语言 · 计算机科学 2024-05-09 Zheqi He , Xinya Wu , Pengfei Zhou , Richeng Xuan , Guang Liu , Xi Yang , Qiannan Zhu , Hua Huang

Stock market prediction has remained an extremely challenging problem for many decades owing to its inherent high volatility and low information noisy ratio. Existing solutions based on machine learning or deep learning demonstrate superior…

计算工程、金融与科学 · 计算机科学 2024-10-04 Zhaojian Yu , Yinghao Wu , Genesis Wang , Heming Weng

Machine Reading Comprehension (MRC) has become enormously popular recently and has attracted a lot of attention. However, existing reading comprehension datasets are mostly in English. To add diversity in reading comprehension datasets, in…

计算与语言 · 计算机科学 2018-03-16 Yiming Cui , Ting Liu , Zhipeng Chen , Wentao Ma , Shijin Wang , Guoping Hu

The rise in popularity of ChatGPT and GPT-4 has significantly accelerated the development of large models, leading to the creation of numerous impressive large language models(LLMs) and multimodal large language models (MLLMs). These…

计算与语言 · 计算机科学 2023-09-18 Conghui He , Zhenjiang Jin , Chao Xu , Jiantao Qiu , Bin Wang , Wei Li , Hang Yan , Jiaqi Wang , Dahua Lin

Recent deployments of large language models (LLMs) as autonomous trading agents raise questions about whether financial decision-making competence generalizes beyond specific market patterns and how it should be trained and evaluated in…

机器学习 · 计算机科学 2026-04-21 Yuchen Pan , Soung Chang Liew

Metaphors play a pivotal role in expressing emotions, making them crucial for emotional intelligence. The advent of multimodal data and widespread communication has led to a proliferation of multimodal metaphors, amplifying the complexity…

计算与语言 · 计算机科学 2025-05-21 Xingyuan Lu , Yuxi Liu , Dongyu Zhang , Zhiyao Wu , Jing Ren , Feng Xia

Feature extraction from financial data is one of the most important problems in market prediction domain for which many approaches have been suggested. Among other modern tools, convolutional neural networks (CNN) have recently been applied…

机器学习 · 计算机科学 2018-10-23 Ehsan Hoseinzade , Saman Haratizadeh

Classical asset price forecasting methods primarily rely on numerical data, such as price time series, trading volumes, limit order book data, and technical analysis indicators. However, the news flow plays a significant role in price…

统计金融 · 定量金融 2025-03-20 Kasymkhan Khubiev , Mikhail Semenov

In allusion to some contradicting results in existing research, this paper selects China's latest stock data from 2005 to 2020 for empirical analysis. By choosing this periods' data, we avoid the periods of China's significant stock market…

综合金融 · 定量金融 2021-12-07 Zhijing Zhang , Yue Yu , Qinghua Ma , Haixiang Yao

This paper introduces ChinaOpen, a dataset sourced from Bilibili, a popular Chinese video-sharing website, for open-world multimodal learning. While the state-of-the-art multimodal learning networks have shown impressive performance in…

多媒体 · 计算机科学 2023-08-08 Aozhu Chen , Ziyuan Wang , Chengbo Dong , Kaibin Tian , Ruixiang Zhao , Xun Liang , Zhanhui Kang , Xirong Li

The patterns of different financial data sources vary substantially, and accordingly, investors exhibit heterogeneous cognition behavior in information processing. To capture different patterns, we propose a novel approach called the…

计算工程、金融与科学 · 计算机科学 2025-12-17 Ruize Gao , Mei Yang , Yu Wang , Shaoze Cui

Chinese Spelling Correction (CSC) is gaining increasing attention due to its promise of automatically detecting and correcting spelling errors in Chinese texts. Despite its extensive use in many applications, like search engines and optical…

计算与语言 · 计算机科学 2022-10-24 Wangjie Jiang , Zhihao Ye , Zijing Ou , Ruihui Zhao , Jianguang Zheng , Yi Liu , Siheng Li , Bang Liu , Yujiu Yang , Yefeng Zheng

In recent years, multimodal benchmarks for general domains have guided the rapid development of multimodal models on general tasks. However, the financial field has its peculiarities. It features unique graphical images (e.g., candlestick…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Ziliang Gan , Yu Lu , Dong Zhang , Haohan Li , Che Liu , Jian Liu , Ji Liu , Haipang Wu , Chaoyou Fu , Zenglin Xu , Rongjunchen Zhang , Yong Dai

Building high-quality data resources is crucial for advancing artificial intelligence research and applications in specific domains, particularly in the Chinese medical domain. Existing Chinese medical datasets are limited in size and…

计算与语言 · 计算机科学 2025-07-22 Yuanhe Tian , Junjie Liu , Zhizhou Kou , Yuxiang Li , Yan Song

With the rapid development of large language models (LLMs) and their integration into large multimodal models (LMMs), there has been impressive progress in zero-shot completion of user-oriented vision-language tasks. However, a gap remains…

计算与语言 · 计算机科学 2024-04-16 Fuxiao Liu , Xiaoyang Wang , Wenlin Yao , Jianshu Chen , Kaiqiang Song , Sangwoo Cho , Yaser Yacoob , Dong Yu

Evaluation frameworks for text summarization have evolved in terms of both domain coverage and metrics. However, existing benchmarks still lack domain-specific assessment criteria, remain predominantly English-centric, and face challenges…

计算与语言 · 计算机科学 2025-06-03 Hyangsuk Min , Yuho Lee , Minjeong Ban , Jiaqi Deng , Nicole Hee-Yeon Kim , Taewon Yun , Hang Su , Jason Cai , Hwanjun Song