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    <title>Exploring and Understanding Scientific Metrics in Citation Network </title>
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    <pub-date>08/10/2009</pub-date>
    <creation-date>05/01/2009</creation-date>
    <language>eng</language>
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    <title>title of the papers 2</title>
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    <title>title of the papers 2</title>
    <pub-date>09/01/2010</pub-date>
    <creation-date>05/02/2010</creation-date>
    <language>eng</language>
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