Big Data Analytics

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Questions and Answers

Which algorithm is used for mining maximal frequent itemsets?

  • Apriori algorithm
  • K-means algorithm
  • GenMax algorithm (correct)
  • Charm algorithm

What is a closed frequent itemset?

  • An itemset that is closed and has a support count equal to or greater than the (correct)
  • An itemset that is closed and has a support count greater than or equal to the
  • An itemset that is closed and has a support count equal to 1
  • An itemset that is closed and has a support count greater than 1

Which technique is used for clustering in data streams?

  • Partition Clustering
  • Hierarchical Clustering
  • K-means Clustering
  • DBSCAN Clustering (correct)

What are the two distance measurement techniques used in cluster analysis?

<p>Euclidean distance and Manhattan distance (B)</p> Signup and view all the answers

Which algorithm is used for mining closed frequent itemsets?

<p>Charm algorithm (C)</p> Signup and view all the answers

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