Search Results for author: Hongfeng Chai

Found 5 papers, 1 papers with code

SilverSight: A Multi-Task Chinese Financial Large Language Model Based on Adaptive Semantic Space Learning

no code implementations7 Apr 2024 YuHang Zhou, Zeping Li, Siyu Tian, Yuchen Ni, Sen Liu, Guangnan Ye, Hongfeng Chai

Large language models (LLMs) are increasingly being applied across various specialized fields, leveraging their extensive knowledge to empower a multitude of scenarios within these domains.

Language Modelling Large Language Model

Fraud Detection with Binding Global and Local Relational Interaction

no code implementations27 Feb 2024 Haolin Li, Shuyang Jiang, Lifeng Zhang, Siyuan Du, Guangnan Ye, Hongfeng Chai

Apart from the Transformer-based network, we further introduce a Relation-Aware GNN module to learn global embeddings, which is later merged into the local embeddings by an attention fusion module and a skip connection.

Fraud Detection Relation

Are Large Language Models Rational Investors?

no code implementations20 Feb 2024 YuHang Zhou, Yuchen Ni, Xiang Liu, Jian Zhang, Sen Liu, Guangnan Ye, Hongfeng Chai

Large Language Models (LLMs) are progressively being adopted in financial analysis to harness their extensive knowledge base for interpreting complex market data and trends.

Decision Making Navigate

$R^3$-NL2GQL: A Hybrid Models Approach for for Accuracy Enhancing and Hallucinations Mitigation

1 code implementation3 Nov 2023 YuHang Zhou, He Yu, Siyu Tian, Dan Chen, Liuzhi Zhou, Xinlin Yu, Chuanjun Ji, Sen Liu, Guangnan Ye, Hongfeng Chai

While current NL2SQL tasks constructed using Foundation Models have achieved commendable results, their direct application to Natural Language to Graph Query Language (NL2GQL) tasks poses challenges due to the significant differences between GQL and SQL expressions, as well as the numerous types of GQL.

Knowledge Graphs Natural Language Queries +2

Universal Adversarial Backdoor Attacks to Fool Vertical Federated Learning in Cloud-Edge Collaboration

no code implementations22 Apr 2023 Peng Chen, Xin Du, Zhihui Lu, Hongfeng Chai

To this end, we define a threat model for backdoor attacks in VFL and introduce a universal adversarial backdoor (UAB) attack to poison the predictions of VFL.

Binary Classification Vertical Federated Learning

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