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Algorithms for Association Rule Mining: A General Survey and Comparison

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Algorithms Balance out on 'Basket-like Data' Observations. Frequent. Itemsets size. small ... behavior of Algorithms. No algorithm is fundamentally superior ... – PowerPoint PPT presentation

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Title: Algorithms for Association Rule Mining: A General Survey and Comparison


1
Algorithms for Association Rule MiningA General
Survey and Comparison
J. Hipp, U. Güntzer, and G. Nakhaeizadeh SIGKDD
Explorations, June 2000. Volume 2, Issue 1
2
Association Rules
3
Problem Definition
  • Challenge immense number of rules

Rule restriction (Quality Measures)
4
Itemset I 1,2,3,4
Search Space
  • Lattice For I 1,2,3,4

Frequent
Infrequent
Itemset X is Frequent if supp(X) ? minsupp
5
Algorithm reduce Search Space
6
Algorithm Finding Border
Traverse Search Space
  • BFS (Breadth-First Search)
  • DFS (Depth-First Search)

7
Border Found Tree
Tree For I 1,2,3,4
8
Systematization
Common Algorithms
  • Characterize Each Algorithm by Strategy to
  • Traverse Search Space
  • Determine Support values

9
Comparison of Algorithms
Performance Behavior
  • Dataset
  • Transaction size 10
  • Frequent Itemsets 4
  • Transactions generated 100, 000

10
Observations
  • Algorithms Balance out on Basket-like Data

Frequent Itemsets size
small
large
  • Counting
  • Apriori
  • Intersecting
  • Partition
  • Eclat

11
Summary Conclusion
Classic Association Rule restriction
Use of Support Confidence Thresholds
Search Space Minimization
Algorithmic Association rule Mining
Finding Border
Systematization Performance Analysis
  • Similar runtime behavior of Algorithms
  • No algorithm is fundamentally superior
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