Computer Science ›› 2007, Vol. 34 ›› Issue (4): 108-110.
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ZHANG De-Hui, TANG Shi-Wei, YANG Dong-Qing, MA Xiu-Li ,JIANG Li-Zheng （Department of EEC-S, Peking University, Beijing 100871）
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Abstract: The OLAP provides a convenient way for data analysis. But the complexity of multi-dimensional data structure affects the efficiency of OLAP, because there are too many drill-down paths to be chosen from when analysis. How to prune the complex and tedious
Key words: OLAP, Vetorial angle, Drill-down piths
ZHANG De-Hui, TANG Shi-Wei, YANG Dong-Qing, MA Xiu-Li ,JIANG Li-Zheng （Department of EEC-S, Peking University, Beijing 100871）. [J].Computer Science, 2007, 34(4): 108-110.
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