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From "Hem Naidu" <hem.na...@teschglobal.com.INVALID>
Subject RE: negation search help
Date Wed, 23 Nov 2016 14:43:24 GMT
Correct Alex. The use case is when provider searches on patient medical information for certain
symptoms, the mentions likes "no headache" , "no blood loss", "not diabetic" should not show
up in the search results.

Thanks


-----Original Message-----
From: Alessandro Benedetti [mailto:benedetti.alex85@gmail.com] 
Sent: Wednesday, November 23, 2016 8:22 AM
To: solr-user@lucene.apache.org
Subject: Re: negation search help

Now that I read better, do you mean that at indexing time those negations must be recognized,
in the way that they are no match ?

Cheers

On Wed, Nov 23, 2016 at 2:20 PM, Alessandro Benedetti < benedetti.alex85@gmail.com>
wrote:

> Hi Hem,
> are you expecting Solr to parse your natural language query out of the 
> box ?
> Are you using any custom query parser ?
>
> If not, you need to follow the lucene Syntax to define engative queries.
>
> And be careful to the edge cases [1] .
>
> Cheers
>
> [1] https://wiki.apache.org/solr/NegativeQueryProblems
>
> On Wed, Nov 23, 2016 at 1:54 PM, Hem Naidu <hem.naidu@teschglobal.com.
> invalid> wrote:
>
>> Alex
>>
>> Whenever the keywords or sentence followed by "no", "not", etc should 
>> be excluded from the search results. Does solr support this feature?
>>
>> Thanks
>>
>>
>> Sent from my iPhone
>>
>>
>> > On Nov 23, 2016, at 12:09 AM, Alexandre Rafalovitch 
>> > <arafalov@gmail.com>
>> wrote:
>> >
>> > How do you _know_ it is not 'apparent' ? Is it because it is 
>> > preceded by the keyword 'no'? Just that keyword? At what maximum distance?
>> >
>> > Regards,
>> >   Alex
>> >
>> > On 23 Nov 2016 2:59 PM, "Hem Naidu" 
>> > <hem.naidu@teschglobal.com.invalid>
>> > wrote:
>> >
>> >> Gurus,
>> >>
>> >> I am new to Solr, I have a requirement to index entire pdf/word
>> documents
>> >> using Solr Tika. Which was successful and able to get the search
>> results
>> >> displayed. Now I need to fine tune the results or adjust index so 
>> >> the negative statements should be filtered out the results like my 
>> >> input
>> text
>> >> for index from the documents would be
>> >> -----------------------------------
>> >> Fortunately no concurrent trauma was found In no apparent distress
>> >> --------------------------------------
>> >>
>> >> If user searches for concurrent trauma or distress the search 
>> >> engine
>> should
>> >> filter out the results as it not apparent symptom.
>> >>
>> >> Any help on whether Solr can do this?
>> >> If so, do I need to adjust the index or build custom queries?
>> >>
>> >> Any help on this would be greatly appreciated !
>> >>
>> >> Thanks
>> >>
>> >>
>> >>
>>
>
>
>
> --
> --------------------------
>
> Benedetti Alessandro
> Visiting card - http://about.me/alessandro_benedetti
> Blog - http://alexbenedetti.blogspot.co.uk
>
> "Tyger, tyger burning bright
> In the forests of the night,
> What immortal hand or eye
> Could frame thy fearful symmetry?"
>
> William Blake - Songs of Experience -1794 England
>



--
--------------------------

Benedetti Alessandro
Visiting card - http://about.me/alessandro_benedetti
Blog - http://alexbenedetti.blogspot.co.uk

"Tyger, tyger burning bright
In the forests of the night,
What immortal hand or eye
Could frame thy fearful symmetry?"

William Blake - Songs of Experience -1794 England


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