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ROCK: Clustering Categorical Data

  • ROCK: RObust Clustering using linKs
    • S. Guha, R. Rastogi & K. Shim, ICDE’99
  • Major ideas
    • Use links to measure similarity/proximity
    • Not distance-based
  • Algorithm: sampling-based clustering
    • Draw random sample
    • Cluster with links
    • Label data in disk
  • Experiments
    • Congressional voting, mushroom data

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