MAFIA- A Maximal Frequent Itemset Algorithm
Johannes Gehrke
- MAFIA—A Maximal Frequent Itemset Algorithm
- Problem Introduction
- Informal Problem Introduction (Contd.)
- Applications of Frequent Itemsets
- Outline of the Talk
- The Itemset Lattice
- Frequent Itemsets
- Breadth First Search: 1-Itemsets
- Breadth First Search: 2-Itemsets
- Breadth First Search: 3-Itemsets
- Breadth First Search: Remarks
- Depth First Search (1)
- Depth First Search (2)
- Depth First Search (3)
- Depth First Search (4)
- Depth First Search (5)
- Depth First Search: Remarks
- BFS Versus DFS
- Head-Tail Framework
- Head-Tail Framework
- Outline of the Talk
- MAFIA: Simple Algorithm
- MAFIA: PEP (Parent equivalence pruning)
- MAFIA: FHUT (Frequent head-union-tail)
- MAFIA: HUTMFI (Check head-union-tail in the MFI)
- MAFIA: The Final Algorithm
- Implementation Details
- Implementation Details (2)
- Implementation Details: Compression
- Implementation Detail: HUTMFI
- Implementation Detail: HUTMFI (2)
- Performance Experiments
- Effect of Pruning Strategies
- Effect of Compression
- Performance Comparison with DP
- Comparison with DP
- Comparison with DP (2)
- Comparison with DP (3)
- Comparison With DP: Chess Data
- Number of Itemsets Found
- Related Work
- Questions?
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