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  1. No Access

    Chapter and Conference Paper

    DHDSearch: A Framework for Batch Time Series Searching on MapReduce

    We present DHDSearch, a framework for distributed batch time series searching on MapReduce. DHDSearch is based on a two-layer DHDTree. The upper DHDTree serves as a route tree to distribute the time series. Wh...

    Zhongsheng Li, Qiuhong Li, Wei Wang in Database Systems for Advanced Applications (2019)

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    Chapter and Conference Paper

    HDUMP: A Data Recovery Tool for Hadoop

    Hadoop is a popular distributed framework for massive data processing. HDFS is the underlying file system of Hadoop. More and more companies use Hadoop as data processing platform. Once Hadoop crashes, the dat...

    Zhongsheng Li, Qiuhong Li, Wei Wang in Database Systems for Advanced Applications (2018)

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    Chapter and Conference Paper

    Modeling and Evaluating MID1 ICAL Pipeline on Spark

    Squire Kilometre Array (SKA) project generates almost the hugest data volume in the world. SKA data flow pipelines need almost real-time processing ability, which brings huge challenges to the execution framew...

    Zhongsheng Li, Qiuhong Li, Yimin Liu in Database Systems for Advanced Applications (2018)

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    Chapter and Conference Paper

    Clustering Time Series Utilizing a Dimension Hierarchical Decomposition Approach

    Time series clustering has attracted amount of attention recently. However, clustering massive time series faces the challenge of the huge computation cost. To reduce the computation cost, we propose a novel D...

    Qiuhong Li, Peng Wang, Yang Wang, Wei Wang in Database Systems for Advanced Applications (2017)

  5. No Access

    Chapter and Conference Paper

    Gene Therapy in the Rd6 Mouse Model of Retinal Degeneration

    The rd6 mouse is a natural model of an RPE-based (retinal pigment epithelium) autosomal recessive retinitis pigmentosa (RP) caused by mutations in the Mfrp (membrane-type frizzled related protein) gene. Previousl...

    Astra Dinculescu, Seok-Hong Min, Wen-Tao Deng, Qiuhong Li in Retinal Degenerative Diseases (2014)

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    Chapter and Conference Paper

    An Efficient K-means Clustering Algorithm on MapReduce

    As an important approach to analyze the massive data set, an efficient k-means implementation on MapReduce is crucial in many applications. In this paper we propose a series of strategies to improve the efficienc...

    Qiuhong Li, Peng Wang, Wei Wang, Hao Hu in Database Systems for Advanced Applications (2014)

  7. No Access

    Chapter and Conference Paper

    Combination of In-Memory Graph Computation with MapReduce: A Subgraph-Centric Method of PageRank

    In order to improve the efficiency of the PageRank algorithm, parallelizing methods, especially the ones based on MapReduce, interest many researchers during the past several years. Previous implementations of...

    Qiuhong Li, Wei Wang, Peng Wang, Ke Dai, Zhihui Wang in Web-Age Information Management (2013)