Hi,

I am trying out the auto suggest using EdgeNgram. 

Using the following tutorial as a reference.

http://www.lucidimagination.com/blog/2009/09/08/auto-suggest-from-popular-queries-using-edgengrams/

In the above tutorial, The below two lines has been clearly mentioned, 

"Note that it’s necessary to wrap the query in double-quotes as a phrase.
Otherwise unpredictable and unwanted matches can occur."

When i use double quotes as they said it works perfectly fine. I just want
to know the reason for this behavior.

Can anyone explain me why it behaves like that?

I tried the alternate method mentioned in the responses section of the same
tutorial [StandardTokenizerFactory and LowerCaseFilterFactory combination],
it does not work fine as expected[bringing unwanted matches].

Is there a best way to overcome this?

Thanks,

Johnny



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