Re: Levenstein, Typo correction, Sorting items by usage

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Fabrice Colin schrieb:
> On 10/4/07, Mikkel Kamstrup Erlandsen
<mikkel.kamstrupgmail.com> wrote:
>> 2007/10/4, Fabrice Colin <fabrice.colingmail.com>:
>>> Some back-ends are able to suggest terms, or do
spelling
>>> correction. It would be useful if these
capabilities could be
>>> exported by Deskbar handlers/modules.
>> This is not solvable on a global deskbar level. But
can be solved by
>> individual modules.
>>
>> In the days before we joined Gnome we did native
stemming, but it
>> turned out to be a bottle neck. One of deskbar's
prime features are
>> the near-instant searches, and that should be kept
as a higher goal
>> than spelling corrections I think.
>>
> We may not be talking about the same thing. I agree
that stemming
> is for the back-end engine to handle, and not Deskbar.
> 
> Imagine for instance you want to search for
"mikkel" but misspell
> it "mikkal". No results are found, but the
engine is able to
> suggest alternative query strings, for instance
"mikkel", if this
> term exists in its documents corpus. A feedback
mechanism where
> the user is prompted with "Did you mean mikkel
?" would be useful.
> Engines that support this do it rather quickly and it
doesn't have
> a noticeable impact on search speed.
> 
If you know of a module that supports this feature, could
you please
post a link to it? I'm curious how they do it.

> Similarly, as the user types in the query field, it may
be
> desirable to suggest terms; for instance, Firefox shows
a list
> of suggestions pulled from Google and Yahoo when you
type in its
> search bar.
> 
> Is there a way for Deskbar handles/modules to give this
kind of
> feedback at the moment ?
> 
I myself can't think of any way that to do this with the
current
architecture.

- --
Greetings,
Sebastian Pölsterl
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