Question about SynonymGraphFilter

[Gianpiero Sportelli <gi...@celi.it>]

Hi,

I have a question about SynonymGraphFilter.

During the query parsing I expected a query phrase for multi word 
synonyms but the query produced is an or of all the tokens that compose 
the multi word. is the correct behavior? I attach a test for this 
question. Examples: query: "text analysis is a serious thing" (quoted 
query) Query after parsing: BooleanQuery -> spanNear([spanOr([text:nlp, 
spanNear([text:text, text:analysis], 0, true)]), text:is, text:a, 
text:serius, text:thing], 0, true) in this query nlp is a synonym of 
text analysis query: the labrador is an awesome dog Query after parsing: 
(((+text:a +text:big +text:dog) (+text:the +text:labrador))) (text:is) 
(text:an) (text:awesome) (((+text:mammal +text:animal) text:dog)) Query 
expected: (spanOr([spanNear([text:a ,text:big, text:dog],0,true), 
spanNear([text:the, text:labrador], 0, true)])) (text:is) (text:an) 
(text:awesome) (spanOr([spanNear([text: mammal, text:animal],0, true), 
text:dog]))


in this query the synonyms are:

the labrador -> a big dog

dog -> mammal animal

Thank you,

Gianpiero Sportelli


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