Search Results for author: Ji Xiang

Found 9 papers, 4 papers with code

RotateCT: Knowledge Graph Embedding by Rotation and Coordinate Transformation in Complex Space

no code implementations COLING 2022 Yao Dong, Lei Wang, Ji Xiang, Xiaobo Guo, Yuqiang Xie

Knowledge graph embedding, which aims to learn representations of entities and relations in knowledge graphs, finds applications in various downstream tasks.

Computational Efficiency Knowledge Graph Embedding +3

GGViT:Multistream Vision Transformer Network in Face2Face Facial Reenactment Detection

no code implementations12 Oct 2022 Haotian Wu, Peipei Wang, Xin Wang, Ji Xiang, Rui Gong

The compression of videos on social media has destroyed some pixel details that could be used to detect forgeries.

A Cross-City Federated Transfer Learning Framework: A Case Study on Urban Region Profiling

no code implementations31 May 2022 Gaode Chen, Yijun Su, Xinghua Zhang, Anmin Hu, Guochun Chen, Siyuan Feng, Ji Xiang, Junbo Zhang, Yu Zheng

To address the above challenging problems, we propose a novel Cross-city Federated Transfer Learning framework (CcFTL) to cope with the data insufficiency and privacy problems.

Transfer Learning

Exploring Periodicity and Interactivity in Multi-Interest Framework for Sequential Recommendation

1 code implementation7 Jun 2021 Gaode Chen, Xinghua Zhang, Yanyan Zhao, Cong Xue, Ji Xiang

Meanwhile, an ingenious graph is proposed to enhance the interactivity between items in user's behavior sequence, which can capture both global and local item features.

Sequential Recommendation

FGCRec: Fine-Grained Geographical Characteristics Modeling for Point-of-Interest Recommendation

1 code implementation IEEE International Conference on Communications 2020 Yijun Su, Xiang Li, Baoping Liu, Daren Zha, Ji Xiang, Wei Tang and Neng Gao.

With the popularity of location-based social networks (LBSNs), Point-of-Interest (POI) recommendation has become an essential location-based service to help people explore novel locations.

Recommendation Systems

Leaderless Consensus of a Hierarchical Cyber-Physical System

no code implementations16 Apr 2020 Xiao Chen, Yanjun Li, Arman Goudarzi, Ji Xiang

This paper models a class of hierarchical cyber-physical systems and studies its associated consensus problem.

Hey, you, keep away from my device: remotely implanting a virus expeller to defeat Mirai on IoT devices

no code implementations19 Jun 2017 Chen Cao, Le Guan, Peng Liu, Neng Gao, Jingqiang Lin, Ji Xiang

In particular, at a negotiated time slot, a customer is required to reboot the compromised device, then a "white" Mirai operated by the manufacturer breaks into the clean-state IoT devices immediately.

Cryptography and Security

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