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    A data analytic algorithm for managing, querying, and processing uncertain big data in cloud environments

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    Jiang_Algorithms8_2015.pdf (382.0Kb)
    Date
    2015-12
    Author
    Jiang, Fan
    Leung, Carson K.
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    Abstract
    Big data are everywhere as high volumes of varieties of valuable precise and uncertain data can be easily collected or generated at high velocity in various real-life applications. Embedded in these big data are rich sets of useful information and knowledge. To mine these big data and to discover useful information and knowledge, we present a data analytic algorithm in this article. Our algorithm manages, queries, and processes uncertain big data in cloud environments. More specifically, it manages transactions of uncertain big data, allows users to query these big data by specifying constraints expressing their interests, and processes the user-specified constraints to discover useful information and knowledge from the uncertain big data. As each item in every transaction in these uncertain big data is associated with an existential probability value expressing the likelihood of that item to be present in a particular transaction, computation could be intensive. Our algorithm uses the MapReduce model on a cloud environment for effective data analytics on these uncertain big data. Experimental results show the effectiveness of our data analytic algorithm for managing, querying, and processing uncertain big data in cloud environments.
    URI
    http://hdl.handle.net/1993/31148
    DOI
    10.3390/a8041175
    Collections
    • Faculty of Science Scholarly Works [209]
    • University of Manitoba Scholarship [1981]

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