NDLI: B-tries for disk-based string management

Content Provider	Springer Nature Link
Author	Askitis, Nikolas Zobel, Justin
Copyright Year	2008
Abstract	A wide range of applications require that large quantities of data be maintained in sort order on disk. The B-tree, and its variants, are an efficient general-purpose disk-based data structure that is almost universally used for this task. The B-trie has the potential to be a competitive alternative for the storage of data where strings are used as keys, but has not previously been thoroughly described or tested. We propose new algorithms for the insertion, deletion, and equality search of variable-length strings in a disk-resident B-trie, as well as novel splitting strategies which are a critical element of a practical implementation. We experimentally compare the B-trie against variants of B-tree on several large sets of strings with a range of characteristics. Our results demonstrate that, although the B-trie uses more memory, it is faster, more scalable, and requires less disk space.
Starting Page	157
Ending Page	179
Page Count	23
File Format	PDF
ISSN	10668888
Journal	The VLDB Journal
Volume Number	18
Issue Number	1
e-ISSN	0949877X
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-03-11
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	B-tree Burst trie storage Vocabulary accumulation Word-level indexing Data structures Database Management
Content Type	Text
Resource Type	Article
Subject	Information Systems Hardware and Architecture

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B-tries for disk-based string management