[Wasabi Proposal] XML desktop query language
jean-francois.dockes at wanadoo.fr
Tue Jan 16 23:44:56 PST 2007
Jos van den Oever writes:
> 2007/1/17, Jean-Francois Dockes <jean-francois.dockes at wanadoo.fr>:
> > I think that the default should be to let the engine use stemming or not
> > (it will be ON in most cases). Users just expect it. It would be
> > inconvenient, for example, no to find plurals. Google does it, Wikipedia
> > does it, is there any example of an engine that has stemming off by
> > default ?
> > The user will want to turn it off in specific cases, and a clever engine
> > may turn it off sometimes (ie: when searching an author field).
> > Jos is right that this is a tricky area, but having to search for
> > (example OR examples) would come as a bit of a surprise for most
> > people.
> I get the feeling that this is a point on which people will always
> disagree, so I'll just say that my experience is difference. If I want
> to look for both 'example' and 'examples', I use example*. You're
> right that since some time Google has enabled stemming, so I have to
> use '+example' quite often when I want to search. So we could vote on
> having it on per default or not.
Ok, and I see that after checking, and to my surprise, neither Apple Search
Kit nor MSN Search seem to use stemming, so I guess that we either need an
interface to let the user set this kind of preference, or let the
backend use its own default.
> Because stemming can be turned on and off, the search index should not
> stem the search terms stored in the index, but stem when searching.
> This is an important difference if we want to have the same results
> from the same queries.
Well, there wouldn't be much point in having different backends if they
returned the same answers ! Freedom to the free software authors ! :)
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