Search Results for author: Jinfei Liu

Found 8 papers, 2 papers with code

Cross-silo Federated Learning with Record-level Personalized Differential Privacy

no code implementations29 Jan 2024 Junxu Liu, Jian Lou, Li Xiong, Jinfei Liu, Xiaofeng Meng

Federated learning enhanced by differential privacy has emerged as a popular approach to better safeguard the privacy of client-side data by protecting clients' contributions during the training process.

Federated Learning

Prompt Valuation Based on Shapley Values

no code implementations24 Dec 2023 Hanxi Liu, Xiaokai Mao, Haocheng Xia, Jian Lou, Jinfei Liu

Large language models (LLMs) excel on new tasks without additional training, simply by providing natural language prompts that demonstrate how the task should be performed.

Shapley Value on Probabilistic Classifiers

no code implementations12 Jun 2023 Xiang Li, Haocheng Xia, Jinfei Liu

Data valuation has become an increasingly significant discipline in data science due to the economic value of data.

Data Valuation

Quantifying and Defending against Privacy Threats on Federated Knowledge Graph Embedding

no code implementations6 Apr 2023 Yuke Hu, Wei Liang, Ruofan Wu, Kai Xiao, Weiqiang Wang, Xiaochen Li, Jinfei Liu, Zhan Qin

Knowledge Graph Embedding (KGE) is a fundamental technique that extracts expressive representation from knowledge graph (KG) to facilitate diverse downstream tasks.

Knowledge Graph Embedding

PGLP: Customizable and Rigorous Location Privacy through Policy Graph

3 code implementations4 May 2020 Yang Cao, Yonghui Xiao, Shun Takagi, Li Xiong, Masatoshi Yoshikawa, Yilin Shen, Jinfei Liu, Hongxia Jin, Xiaofeng Xu

Third, we design a private location trace release framework that pipelines the detection of location exposure, policy graph repair, and private trajectory release with customizable and rigorous location privacy.

Cryptography and Security Computers and Society

Absolute Shapley Value

no code implementations23 Mar 2020 Jinfei Liu

In cooperative game theory, the marginal contribution of each contributor to each coalition is a nonnegative value.

Fairness

Visually-aware Recommendation with Aesthetic Features

no code implementations2 May 2019 Wenhui Yu, Xiangnan He, Jian Pei, Xu Chen, Li Xiong, Jinfei Liu, Zheng Qin

While recent developments on visually-aware recommender systems have taken the product image into account, none of them has considered the aesthetic aspect.

Decision Making Recommendation Systems +1

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