[KinoSearch] Wildcards (was Re: KinoSearch feature suggestions)
Peter Karman
peter at peknet.com
Thu Jan 24 19:10:15 PST 2008
Marvin Humphrey wrote on 1/24/08 12:31 AM:
> On Jan 23, 2008, at 6:59 AM, Peter Karman wrote:
>> Yes, Swish-e supports the '*' to match 1 or more characters at the end
>> of the word, and
>> '?' to match exactly one character anywhere in the word. However,
>> Swish-e does that by
>> means of a 256-byte wide lookup table (iirc), which works only because
>> Swish-e supports
>> single-byte encodings.
>
> Interesting. Is the lookup table used when matching terms, or also
> postings? Is there a clear division between the two stages, as there is
> in KS?
The lookup table is used in matching terms only.
There is not such a clear in division in Swish-e. There is really only the
concept of the 'word' (i.e. term).
--
Peter Karman . http://peknet.com/ . peter at peknet.com
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