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Parallel transmission is one of the popular techniques to realize huge bandwidth between two network nodes. However, in parallel transmission, many packet order inversions will be occurred when the delay difference among the routes is large, and TCP throughput will be drastically decreased under such a circumstance. In this paper, a TCP over SCTP (Stream Control Transmission Protocol) parallel transmission...
We had developed an prototype of pen gestures based mathematics editing which is applied to an ITS guiding algebraic calculation. Pen gestures enable students edit expressions (such as select, erase, overwrite, move and paste) directly with a pen instead of keyboard and mouse. Mathematics editing includes symbol editing and sub expression editing. Evaluation experiment results show that students think...
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