Hi Jean,
You should be able to do this with intervals, see
https://lucene.apache.org/core/8_8_1/queries/org/apache/lucene/queries/intervals/package-summary.html
.
Le dim. 25 avr. 2021 à 18:43, Jean Morissette <jean.morisse...@gmail.com> a
écrit :
> Thank you for your answer.
>
> The problem with this solution is that it excludes documents which contain
> both positive and negative positive matches.
>
> For example, consider those 3 documents with the terms a, b:
> - document 1: "a"
> - document 2: "a b"
> - document 3: "a b a"
>
> What we want is to find documents with the terms 'a', ignoring matches if
> 'a' is followed by 'b'.
> That is, we don't want to exclude one document if 'a' is followed by 'b'.
>
> The right answer should be documents 1 and 3 but your solution excludes
> document 3.
>
> Is-it something achievable with Lucene?
>
> Thanks,
> Jean
>
>
> On Thu, 15 Apr 2021 at 01:33, Aditya Varun Chadha <adic...@gmail.com>
> wrote:
>
> > maybe you want (abstractly):
> >
> > bool(must(term("f", "positive"), mustNot(phrase("f", "negative positive",
> > slop=1)))
> >
> > On Thu, Apr 15, 2021 at 7:27 AM Jean Morissette <
> jean.morisse...@gmail.com
> > >
> > wrote:
> >
> > > Hi all,
> > >
> > > Does someone know if it's possible to search documents containing a
> given
> > > keyword only if this keyword is not followed or preceded or another
> given
> > > keyword?
> > >
> > > Thanks,
> > > Jean
> > >
> >
> >
> > --
> > Aditya
> >
>
