Understanding Algorithms For Big Data Compsci 229r Lecture 7

Exploring Algorithms For Big Data Compsci 229r Lecture 7 reveals several interesting facts. CountSketch, ℓ0 sampling, graph sketching.

Key Takeaways about Algorithms For Big Data Compsci 229r Lecture 7

  • External memory model: linked list, matrix multiplication, B-tree, buffered repository tree, sorting.
  • Communication complexity (indexing, gap hamming) + application to median and F0 lower bounds.
  • Analysis of ℓp estimation
  • Competitive paging, cache-oblivious
  • Distinct elements, k-wise independence, geometric subsampling of streams.

Detailed Analysis of Algorithms For Big Data Compsci 229r Lecture 7

Amnesic dynamic programming (approximate distance to monotonicity). CountMin sketch, point query, Splay trees.

ℓ1/ℓ1 recovery, RIP1, unbalanced expanders, Sequential Sparse Matching Pursuit.

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