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ThinkMind // International Journal On Advances in Software, volume 4, numbers 3 and 4, 2011 // View article soft_v4_n34_2011_16


Efficient Non-Sequential Access and More Ordering Choices in a Search Tree

Authors:
Lubomir Stanchev

Keywords: marker bits; search trees; ordering directions; data structures

Abstract:
A traditional search tree allows for efficient sequential access to the elements of the tree. In addition, a search tree allows for efficient insertion of new elements and efficient deletion of existing elements. In this article we show how to extend the capabilities of a search tree by presenting an algorithm for efficient access to predefined subsets of the indexed elements. This is achieved by marking some of the elements of the search tree with marker bits. In addition, our algorithm allows us to efficiently retrieve the indexed elements in either ascending or descending direction relative to each of the ordering attributes.

Pages: 434 to 441

Copyright: Copyright (c) to authors, 2011. Used with permission.

Publication date: April 30, 2012

Published in: journal

ISSN: 1942-2628

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