[CWB] s-attributes

[leontyna bratankova]

thank you pavel..moc dekuji!
Il giorno 11/apr/2013 18:49, "Pavel Vondřička" <Pavel.Vondricka at ff.cuni.cz>
ha scritto:

> The 'within' clause is demontrated here (though not much in detail):
>
> http://cwb.sourceforge.net/files/CQP_Tutorial/node26.html
>
> Best,
> Pavel
>
> > Dear Andrew and Stefan,
> > thank you very much for your helpful answers.
> > Stefan, your two solutions work both well. What do you exactly mean with
> > the "within" clause to add to the query?
> > Thank you very much,
> > Leontyna
> >
> >
> > 2013/4/11 Stefan Evert <stefanML at collocations.de>
> >
> > > On 11 Apr 2013, at 16:18, "Hardie, Andrew" <a.hardie at lancaster.ac.uk>
> > >
> > > wrote:
> > > > Subcorpus = <p_monthstudy="[1-7]">[]*</p_monthstudy>;
> > > > Subcorpus;
> > >
> > > For technical reasons, it's better to use this form:
> > >         Subcorpus = <p_monthstudy="[1-7]">[] expand to p_monthstudy;
> > >         Subcorpus;
> > >
> > > otherwise you'll lose all longer paragraphs (containing more than 100
> > > tokens); on a large corpus, this form will also be substantially
> faster.
> > >
> > > If you don't mind a loss of efficiency, you can run the query on the
> full
> > > corpus and post-filter your results with a global constraint.  Note
> that
> > > if
> > > you're not confident about working out the correct regular expressions
> to
> > > match single- and double-digit months correctly, you can use numeric
> > > comparisons in this second version.  Perform this without activating a
> > >
> > > subcorpus:
> > >         ... your query ... :: int(match.p_monthstudy) >= 1 &
> > >
> > > int(match.p_monthstudy) <= 7;
> > >
> > > You should perhaps add a "within" clause to the query to make sure that
> > > the entire match is within a single paragraph, otherwise it's not very
> > > sensible to filter on the p_monthstudy attribute.
> > >
> > > Hope this hilft,
> > > Stefan
> > >
> > >
> > >
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