Dahua Zhang

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BGP data are very important for understanding the dynamics of the inter domain routing. With the development of Internet, the routing data that BGP routers deals with are increasing dramatically. Nowadays, the most important factor to restrict the research process for general scientific researchers is how to deal with the large volume metadata of TB sizes.(More)
Posttransplant lymphoproliferative disorder (PTLD) comprises a spectrum ranging from polyclonal hyperplasia to aggressive monoclonal lymphomas. The majority of PTLDs are of B-cell origin while T-cell PTLDs and Hodgkin lymphoma-like PTLDs are uncommon. Here, we report a unique case of a 56-year-old man in whom a lymphoma with two distinct components(More)
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