COCOON
2005
Springer
13 years 10 months ago
2005
Springer
Abstract In this paper, we study the problem of supporting range sum queries on a compressed sequence of values. For a sequence of n k-bit integers, k ≤ O(log n), our data struct...
WEA
2007
Springer
13 years 11 months ago
2007
Springer
Given a sequence S of n symbols over some alphabet Σ, we develop a new compression method that is (i) very simple to implement; (ii) provides O(1) time random access to any symbol...