Loading…
A Novel String Distance Function Based on Most Frequent K Characters
This study aims to publish a novel similarity metric to increase the speed of comparison operations. Also the new metric is suitable for distance-based operations among strings. Most of the simple calculation methods, such as string length are fast to calculate but doesn't represent the string...
Saved in:
Published in: | International journal of machine learning and computing 2014-04, Vol.4 (2), p.177-182 |
---|---|
Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Summary: | This study aims to publish a novel similarity metric to increase the speed of comparison operations. Also the new metric is suitable for distance-based operations among strings. Most of the simple calculation methods, such as string length are fast to calculate but doesn't represent the string correctly. On the other hand the methods like keeping the histogram over all characters in the string are slower but good to represent the string characteristics in some areas, like natural language. We propose a new metric, easy to calculate and satisfactory for string comparison. Method is built on a hash function, which gets a string at any size and outputs the most frequent K characters with their frequencies. The outputs are open for comparison and our studies showed that the success rate is quite satisfactory for the text mining operations. |
---|---|
ISSN: | 2010-3700 2010-3700 |
DOI: | 10.7763/IJMLC.2014.V4.408 |