The theoretical development and practical application of data mining, web mining and web usage mining are introduced. The establishment of the mathematical model and the concrete process of the improvement of arithmetic in web usage mining are put emphasis on.
作者在硕士论文研究阶段，以Web挖掘技术的应用作为研究背景，介绍了数据挖掘，Web挖掘和Web使用挖掘技术的理论发展及实际应用，并重点研究了Web使用挖掘中数学模型的建立和算法改进的具体过程。
参考来源 - Web挖掘及其应用·2,447,543篇论文数据，部分数据来源于NoteExpress
Improvement on hypothesis and arithmetic of the model was advanced and the chart of new model design was proposed.
对该模型的假设条件和推算方法等方面进行改进，给出了新模型设计框图。
The result of experiment indicates the method not only has a big improvement on keeping isophotes direction but also improves arithmetic speed notably.
实验结果表明该方法不仅在保持等照度线方向上有很大改进，而且显著提高了运算速度。
Improvement of the volume arithmetic.
对液位容积算法的改进。
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