publication . Preprint . 2004

The Persistent Buffer Tree : An I/O-efficient Index for Temporal Data

Dominic, Saju Jude; Sajith, G.;
Open Access English
  • Published: 14 Apr 2004
In a variety of applications, we need to keep track of the development of a data set over time. For maintaining and querying this multi version data I/O-efficiently, external memory data structures are required. In this paper, we present a probabilistic self-balancing persistent data structure in external memory called the persistent buffer tree, which supports insertions, updates and deletions of data items at the present version and range queries for any version, past or present. The persistent buffer tree is I/O-optimal in the sense that the expected amortized I/O performance bounds are asymptotically the same as the deterministic amortized bounds of the (sin...
free text keywords: Computer Science - General Literature, Computer Science - Databases, E.2, H.2.2, G.3
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