I want to develop google desktop search like application, I want to know that which Indexing Techniques/ Algorithms I should use so I can get very fast data retrival.
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I want to develop google desktop search like application, I want to know that which Indexing Techniques/ Algorithms I should use so I can get very fast data retrival.
The Burrows-Wheeler transform, used to compress data in bzip2, can be used to make substring searching of text a constant time function.
http://en.wikipedia.org/wiki/Burrows-Wheeler_transform
I haven’t seen a simple introduction online, but here is a lot of detail:
http://www.ddj.com/architect/184405504