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Different search result is coming for the same single word


iRAM Administrator (3152147135) | asked Aug 27 '10, 7:45 a.m.
iRAM Search is returning different search result count for the same word with in quotes and same word in without quotes

Example:
plusOne keyword of the "IBM Software Expertise Client Facing Community" gives search count is: 159

"plusOne" keyword of the same community gives search count is: 139

I think, in code logic might add some more condition for the keyword which contains quotes. Hence, We and our user early wants to know the condition (OR) the difference between of this one.

Thank you.

4 answers



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Sheehan Anderson (1.2k4) | answered Aug 27 '10, 2:52 p.m.
JAZZ DEVELOPER
The search without the quotes will perform a fuzzy search and therefore return more results. The search with the quotes will only return exact matches.

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iRAM Administrator (3152147135) | answered Aug 31 '10, 9:45 a.m.
May we know, how the fuzzy search works? Kindly explain more technically.

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Sheehan Anderson (1.2k4) | answered Aug 31 '10, 5:02 p.m.
JAZZ DEVELOPER
May we know, how the fuzzy search works? Kindly explain more technically.


The fuzzy search in RAM is implemented by Lucene (http://lucene.apache.org/java/) which uses the Levenshtein Distance, or Edit Distance algorithm (http://en.wikipedia.org/wiki/Levenshtein_distance).

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Sheehan Anderson (1.2k4) | answered Aug 31 '10, 5:07 p.m.
JAZZ DEVELOPER
Basicly, it's trying to match terms that are close to your query that you would also probably be interested in seeing. For example, if you search for "download" it may return assets with similar terms such as "downloads", "downloading", "downloaded", etc.

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