基于概念格的数字图书馆用户检索行为序列模式挖掘研究
黄微, 毕强
, 滕广青
Sequential Patterns Mining from Digital Library User’s Retrieval Behavior Based on Concept Lattice
Huang Wei, Bi Qiang
, Teng Guangqing
图3 形式背景对应的“下层概念格”