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A novel server-side defense scheme is proposed to resist the Web proxy-based distributed denial of service attack. The approach utilizes the temporal and spatial locality to extract the behavior features of the proxy-to-server traffic, which makes the scheme independent of the traffic intensity and frequently varying Web contents. A nonlinear mapping function is introduced to protect weak signals...
Nonlinear programming is used to optimize the hull form of displacement type deep-vee vessels with bulbous bow in this paper. The total resistance is chosen as target function; the offsets of ship form are the optimizing variables; hull form displacement and variation range of offsets are used as restrictions. The effect of sailing pose was considered to calculate the total resistance, and the wave-making...
This research proposes a conceptual model with perceived value, satisfaction, subjective norm and individual characteristics (i.e., self-esteem, self-efficacy and extraversion) as key predictors of adolescents' intention to play online games. Perceived value is determined by positive factor of perceived benefits and negative factor of perceived risks. A survey was conducted to test the model. Most...
College graduation design is an important indispensable teaching link in order to cultivate the creative talents. It is also a major evaluation content to measure the level of college teaching. The higher requirement for the quality of graduation design is put forward by knowledge economy era. Based on the brief analysis on the status of graduation design, the corresponding countermeasures are proposed,...
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