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PrefixSpan? Mining Sequential Patterns Efficiently by Prefix-Projected Pattern Growth

PrefixSpan? Mining Sequential Patterns Efficiently by Prefix-Projected Pattern Growth

PrefixSpan? Mining Sequential Patterns Efficiently by Prefix-Projected Pattern Growth. ?? : 907737 ??? 907747 ??? ???? : ???. ????. items ? ???????????????????? item ? itemset ? ?????? items ?????????????????? item ?

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682 views • 42 slides
Pattern-growth Methods for Sequential Pattern Mining: Principles and Extensions

Pattern-growth Methods for Sequential Pattern Mining: Principles and Extensions

Pattern-growth Methods for Sequential Pattern Mining: Principles and Extensions. Jiawei Han (UIUC) Jian Pei (Simon Fraser Univ.). Outline. Sequential pattern mining Pattern-growth methods Performance study Mining sequential patterns with regular expression constraints.

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564 views • 31 slides
IncSpan :Incremental Mining of Sequential Patterns in Large Database

IncSpan :Incremental Mining of Sequential Patterns in Large Database

IncSpan :Incremental Mining of Sequential Patterns in Large Database. Hong Cheng , Xifeng Yan , Jiawei Han Proc. 2004 Int. Conf. on Knowledge Discovery and Data Mining (KDD'04) Advisor ? Jia-Ling Koh

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418 views • 21 slides
COBRA: Closed Sequential Pattern Mining Using Bi-phase Reduction Approach

COBRA: Closed Sequential Pattern Mining Using Bi-phase Reduction Approach

COBRA: Closed Sequential Pattern Mining Using Bi-phase Reduction Approach. Kuo-Yu Hung, Chia-Hui Chang, Jiun-Hung Tung, Cheng-Tao Ho DaWak 2006. Outline. Introduction Problem Definition COBRA algorithm pruning strategies design and implementation Experimental result Conclusion.

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288 views • 16 slides

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