Zhi Yang

Associate Professor
Computer Networks and Distributed Systems Laboratory
Peking University
Beijing, China, 100871
Email: yangzhi AT pku.edu.cn OR yangzhiatpku AT gmail.com

General Info.

I received my Ph.D.degree in Computer Science from Peking University in 2010, and my B.S. degree in Computer Science from Harbin Institute of Technology in 2005. My Ph.D.advisor is Prof. Yafei Dai. My research interests include security, graph and behavioral models in online social networks. I also study the design and optimization of distributed systems for large-scale data processing.

Publications.

    Garaph: Efficient GPU-accelerated Graph Processing on a Single Machine with Balanced Replication
    Lingxiao Ma, Zhi Yang*, Han Chen, Jilong Xue, Yafei Dai
    USENIX Annual Technical Conference (USENIX ATC), 2017

    BCStore: Bandwidth-Efficient In-memory KV-Store with Batch Coding
    Shenglong Li, Quanlu Zhang, Zhi Yang, Yafei Dai
    International Conference on Massive Storage Systems and Technology (MSST), 2017

    DeltaCFS: Boosting Delta Sync for Cloud Storage Services by Learning from NFS
    Quanlu Zhang, Zhenhua Li, Zhi Yang, Shenglong Li, Yangze Guo, Yafei Dai
    IEEE International Conference on Distributed Computing Systems (ICDCS), 2017

    Efficient Distributed Machine Learning with Trigger Driven Parallel Training
    Shenglong Li,Jilong Xue, Zhi Yang, Yafei Dai
    IEEE Global Communications Conference (GlobeCom), 2016

    Processing Concurrent Graph Analytics with Decoupled Computation Model
    Jilong Xue, Zhi Yang*, Shian Hou, Yafei Dai
    IEEE Transaction On Computer (TOC), 2016

    VoteTrust: Leveraging Friend Invitation Graph to Defend against Social Network Sybils
    Zhi Yang, Jilong Xue, Xiaoyong Yang, Xiao Wang, Yafei Dai
    IEEE Transactions on Dependable and Secure Computing (TDSC), 2015

    Understanding and Surpassing Dropbox: Efficient Incremental Synchronization in Cloud Storage Services
    Shenglong Li, Quanlu Zhang, Zhi Yang, and Yafei Dai
    IEEE Global Communications Conference (GlobeCom), 2015

    When Graph Computation Meets Heterogeneous Cluster
    Jilong Xue, Zhi Yang*, Shian Hou, Yafei Dai
    IEEE International Conference on Big Data (BigData), 2015

    Process-driven Analysis of Dynamics in Online Social Interactions
    Zhi Yang, Jilong Xue, Christo Wilson, Ben Y. Zhao, and Yafei Dai
    ACM Conference on Online Social Networks (COSN), 2015

    A game theoretic model for the formation of navigable small-world networks
    Zhi Yang and Wei Chen
    International World Wide Web Conference (WWW), 2015

    CHARM: A Cost-efficient Multi-cloud Data Hosting Scheme with High Availability
    Quanlu Zhang, Shenglong Li, Zhenhua Li, Yuanjian Xing, Zhi Yang, and Yafei Dai
    IEEE Transaction on Cloud Computing (TCC), 2015

    Uncovering User Interaction Dynamics in Online Social Networks
    Zhi Yang, Jilong Xue, Christo Wilson, Ben Y. Zhao, and Yafei Dai
    International AAAI Conference on Weblogs and Social Media (ICWSM), 2015

    Uncovering Social Network Sybils in the Wild
    Zhi Yang , Christo Wilson, Xiao Wang, Tingting Gao, Ben Y. Zhao and Yafei Dai
    ACM Transactions on Knowledge Discovery from Data (TKDD), 2014

    Seraph: an Efficient, Low-cost System for Concurrent Graph Processing
    Jilong Xue, Zhi Yang *, Zhi Qu, Shian Hou, Yafei Dai
    23nd International ACM Symposium on High-Performance Parallel and Distributed Computing (HPDC), 2014

    Understanding the Performance of Offline Download in Real P2P Networks
    Zhi Yang ,Yuanjian Xing,Chi Chen,Yafei Dai
    Int'J of Peer-to-Peer Networking and Applications, 2014

    Seraph: An Efficient System for Parallel Processing on a Shared Graph
    Zhi Yang , Jilong Xue, Zhi Qu, Shian Hou, Yafei Dai
    7th Workshop on Large-Scale Distributed Systems and Middleware (LADIS), 2013

    VoteTrust: Leveraging Friend Invitation Graph to Defend against Social Network Sybils
    Jilong Xue, Zhi Yang*, Xiaoyong Yang, Xiao Wang, Lijiang Chen, Yafei Dai
    32nd Annual IEEE International Conference on Computer Communications (INFOCOM), 2013

    PROB: a Lightweight Approach for Fast Content Propagation in P2P Networks
    Zhi Yang and Yafei Dai
    IEEE Thirteen International Conference on Peer-to-Peer Computing (P2P), 2013

    Beehive: Low-cost Content Subscription Service using Cloudlets
    YuanJian Xing, Zhi Yang*, Chi Chen, Yafei Dai
    SCIENCE CHINA Information Sciences, 2013

    Uncovering Social Network Sybils in the Wild
    Zhi Yang , Christo Wilson, Xiao Wang, Tingting Gao, Ben Y. Zhao and Yafei Dai
    11th ACM SIGCOMM Internet Measurement Conference (IMC), 2011

    Protector: a Probabilistic Failure Detector for Cost-effective Peer-to-Peer Storage,
    Zhi Yang , Jing Tian, Ben Y. Zhao, Wei Chen, Yafei Dai
    IEEE Transactions on Parallel and Distributed Systems (TPDS), 2011

    On the QoS of Offline Download in Retrieving Peer-side File Resource
    Yuanjian Xing, Zhi Yang*, Chi Chen, Jilong Xue and Yafei Dai
    40th International Conference on Parallel Processing (ICPP), 2011

    Exploring Peer Heterogeneity: Towards Understanding and Application
    Zhi Yang , Yuanjian Xing, Feng Xiao, Zhi Qu, Xiaoming Li and Yafei Dai
    11th International Conference on Peer-to-Peer Computing(P2P), 2011

    AutoProc: An Automatic Proactive Replication Scheme for P2P Storage
    Zhi Yang and Yafei Dai
    SCIENCE CHINA Information Sciences, 2011

    AmazingStore: Available, Low-cost Online Storage Service Using Cloudlets
    Zhi Yang , Ben Y. Zhao, Yuanjian Xing, Song Ding, Feng Xiao and Yafei Dai
    9th International Workshop on P2P Systems (IPTPS), 2010

    Towards a More Accurate Availability Evaluation in Peer-to-Peer Storage Systems
    Zhi Yang, Jing Tian and Yafei Dai.
    Int. J. High Performance Computing and Networking, 2010

    Exploring cost-availability tradeoff in P2P storage system
    Zhi Yang, Yafei Dai and Xiao Zhen.
    38th International Conference on Parallel Processing(ICPP), 2009

    The Neutralizer: a Self-Configurable Failure Detector for Minimizing Distributed Storage Maintenance Cost
    Zhi Yang, Yafei Dai and Xiaoming Li..
    In Concurrency and Computation: Practice and Experience, 2009

    Exploring cost-availability tradeoff in P2P storage system
    Jing Tian, Zhi Yang, Wei Chen, Ben Y. Zhao, Yafei Dai.
    27th International Symposium on Reliable Distributed Systems(SRDS), 2008

    A Data Placement Scheme with Time-Related Model for P2P Storages
    Jing Tian, Zhi Yang and Yafei Dai
    7th International Conference on Peer-to-Peer Computing(P2P), 2007

    Towards a More Accurate Availability Evaluation in Peer-to-Peer Storage Systems
    Zhi Yang, Jing Tian and Yafei Dai
    IEEE International Conference on Networking, Architecture and Storage(NAS), 2006