Hi,
Can anyone help me on this ? I am stuck on this for days.
On Tue, Sep 8, 2020 at 3:02 PM krishan goyal <krishan1...@gmail.com> wrote:
> Thanks Dmitry.
>
> Using
> "q": "{!complexphrase inOrder=true}fieldName:${input}"
> works for single token queries but raises same exception when input is
> multi token
>
> Using
> "q": "{!complexphrase inOrder=true df=fieldName}${input}"
> works for all types of tokens but the scoring logic isn't the same as "pf"
> or as using the same query via query reranking -
> rqq: "{!complexphrase inOrder=true v=$v1}",
> v1: "query(fieldName:"some text"^1.0)",
>
> Eg:
> query: "nike red shoes"
> I expect the phrase score to be 0 if the tokens are not in order in the
> document or if any one token is absent in the document.
>
> This is the score returned based on document and the type of reranking
>
> Document LTR score
> Reranking score
> "nike red shoes" 3 3
> "nike caps" 1 0
> "nike shoes red" 3 0
> What is the cause for LTR score to not match query reranking score
>
>
> On Fri, Aug 28, 2020 at 11:17 PM Dmitry Kan <solrexp...@gmail.com> wrote:
>
>> Hi Krishan,
>>
>> What if you remove the query() wrapping?
>>
>> {
>> "name": "phraseMatch",
>> "class": "org.apache.solr.ltr.feature.SolrFeature",
>> "params": {
>> "q": "{!complexphrase inOrder=true}fieldName:${input}"
>> },
>> "store": "_DEFAULT_"
>> }
>>
>> or even:
>>
>> {
>> "name": "phraseMatch",
>> "class": "org.apache.solr.ltr.feature.SolrFeature",
>> "params": {
>> "q": "{!complexphrase inOrder=true df=fieldName}${input}"
>> },
>> "store": "_DEFAULT_"
>> }
>>
>>
>> On Tue, Aug 25, 2020 at 9:59 AM krishan goyal <krishan1...@gmail.com>
>> wrote:
>>
>> > Hi,
>> >
>> > I am trying to create a phrase match feature (what "pf" does in
>> > dismax/edismax parsers)
>> >
>> > I've tried various ways to set it up
>> >
>> > {
>> > "name": "phraseMatch",
>> > "class": "org.apache.solr.ltr.feature.SolrFeature",
>> > "params": {
>> > "q": "{!complexphrase inOrder=true}query(fieldName:${input})"
>> > },
>> > "store": "_DEFAULT_"
>> > }
>> >
>> > This fails with the exception
>> >
>> > Exception from createWeight for SolrFeature [name=phraseMatch,
>> > params={q={!complexphrase inOrder=true}query(fieldName:${input})}] null
>> >
>> > But similar query works when used in the query reranking construct with
>> > these params
>> >
>> > rqq: "{!complexphrase inOrder=true v=$v1}",
>> > v1: "query(fieldName:"some text"~2^1.0,0)",
>> >
>> > What is the problem in the LTR configuration for the feature ?
>> >
>>
>>
>> --
>> Dmitry Kan
>> Luke Toolbox: http://github.com/DmitryKey/luke
>> Blog: http://dmitrykan.blogspot.com
>> Twitter: http://twitter.com/dmitrykan
>> SemanticAnalyzer: https://semanticanalyzer.info
>>
>
