Is this the "Paris - France + Italy = Rome" thing? I think I've seen a
couple of discussions about that.

When you say a "term" are you actually looking for one keyword?
Because that's very different from a query that can be infinitely
complex.

Regards,
   Alex.
Personal: http://www.outerthoughts.com/ and @arafalov
Solr resources and newsletter: http://www.solr-start.com/ and @solrstart
Solr popularizers community: https://www.linkedin.com/groups?gid=6713853


On 24 November 2014 at 13:44, Robust Links <pey...@robustlinks.com> wrote:
> @ Alexandre.. the business case is the following. I am using lucene/solr to
> compose vectors. I want to apply different functions (addition,
> multipication, tensor products,etc) to these vectors. The end result of
> that is a new vector. I would like to then go back from that vector back to
> term that might have generated that vector..i.e. the following pipeline
>
> 1) term i -> query i -> N docs_of_i
> 2) term j -> query j -> N docs_of_j
> 3) F(docs_of_i, docs_of_j) -> N docs
> 4) N docs -> term_k
>
> 1 & 2 are usual query path. steps 3 and 4 are what i am trying to do
>
> @walter. if I am correct, MLT will generate a term for *EACH* element of
> the vector ("N docs" above).. but I am interested in a single term
>
>
>
> On Mon, Nov 24, 2014 at 1:31 PM, Walter Underwood <wun...@wunderwood.org>
> wrote:
>
>> This feature is called “more like this”. I think it only works for a
>> single document, but it probably could be extended.
>>
>> wunder
>> Walter Underwood
>> wun...@wunderwood.org
>> http://observer.wunderwood.org/
>>
>> On Nov 24, 2014, at 10:26 AM, Alexandre Rafalovitch <arafa...@gmail.com>
>> wrote:
>>
>> > Very unlikely. What's the business case?
>> >
>> > Regards,
>> >   Alex.
>> > Personal: http://www.outerthoughts.com/ and @arafalov
>> > Solr resources and newsletter: http://www.solr-start.com/ and @solrstart
>> > Solr popularizers community: https://www.linkedin.com/groups?gid=6713853
>> >
>> >
>> > On 24 November 2014 at 13:23, Robust Links <pey...@robustlinks.com>
>> wrote:
>> >> Hi
>> >>
>> >> Is there a way (in Lucene / SOLR) to go from a vector of documents (IDs,
>> >> and optionally their scores) to a query? i.e. the reverse process of
>> query
>> >> -> document?
>> >>
>> >> thank you
>> >>
>> >> Peyman
>>
>>

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