Corpus ID: 221970742

Rank/Select Queries over Mutable Bitmaps

  title={Rank/Select Queries over Mutable Bitmaps},
  author={Giulio Ermanno Pibiri and Shunsuke Kanda},
  • Giulio Ermanno Pibiri, Shunsuke Kanda
  • Published 2020
  • Computer Science
  • ArXiv
  • The problem of answering rank/select queries over a bitmap is of utmost importance for many succinct data structures. When the bitmap does not change, many solutions exist in the theoretical and practical side. In this work we consider the case where one is allowed to modify the bitmap via a flip(i) operation that toggles its i-th bit. By adapting and properly extending some results concerning prefix-sum data structures, we present a practical solution to the problem, tailored for modern CPU… CONTINUE READING

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