Using intervals worked, thank you for your help ! On Sun, 25 Apr 2021 at 13:52, Adrien Grand <jpou...@gmail.com> wrote:
> 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 > > > > > >
