Shaohua Zhang

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Though 20 years have passed since the birth of CSCW, the original goal of it is not reached as well as people expected. This situation is mostly due to the supporting technology especially the infrastructure. Today, great changes have taken place in technology, including Grid computing and Web services. These technologies, we think, will significantly(More)
This study was initiated to investigate the prognostic significance of circulating tumor cell (CTC) enumeration and the predictive value of CTC HER2 expression for efficient anti-HER2 therapy in HER2-positive metastatic breast cancer (MBC) patients. Sixty HER2-positive MBC patients were enrolled in the present study. Before the initiation of systemic(More)
Data grid is a kind of wide-area, distributed storage system. It can provide huge storage capacity. There are millions of files in data grid, distributed on hundreds of geographically dispersed storage resources. Given a unique logical identifier for desired content, replica location service can be used to determine the physical locations of one or more(More)