Many thanks Adrien On Friday, April 11, 2014 1:57:34 AM UTC+2, Adrien Grand wrote: > > Hi, > > Although it is generally not advised to return scores as percentages[1], > in this particular case it would work given that you are only querying > structured attributes and don't care about term frequencies and so on. > > For this problem, I would recommend using the function_score query[2], > which allows to decide on how scores should be computed. Since you control > the score computation, you can know the maximum score and this can be > helpful to display the score as a percentage to your users. > > [1] http://wiki.apache.org/lucene-java/ScoresAsPercentages > [2] > http://www.elasticsearch.org/guide/en/elasticsearch/reference/1.x/query-dsl-function-score-query.html > > > On Thu, Apr 10, 2014 at 5:02 PM, Guy Bowden > <[email protected]<javascript:> > > wrote: > >> Hi there, >> >> is there any way to figure out a maximum theoretical score for a non text >> search query - something like: >> >> "query": { >> "query_string": { >> "query": "location:(1)^3 accommodation_comfort:(137 >> OR 193)^2 accommodation_facilities:(459 OR 403 OR 319)", >> "default_operator": "OR", >> "default_field": "text", >> "auto_generate_phrase_queries": true, >> "analyze_wildcard": true >> } >> } >> >> >> At the moment I'm using Django Haystack to generate the query - so I >> could build it differently if that helps. >> >> Or is there a simple bit of maths I could do based on the number of >> attributes and the boost scores I'm giving - (assuming that there's no >> extra boosting going on at index time)? >> >> Each document attribute I'm querying is just an array of integers. >> >> The search is working fine - I'd just like to be able to know if I have a >> 100% match, or a 50% match and so on so I can decide if I want to use the >> returned doc in the next step of the process. >> >> i.e. >> >> if the max score is 2, I want to do something with the top 40 docs that >> are over a score of 1.5 (if there's only 20 >1.5, then that's fine, just >> those 20, or if there's 60 >1.5 then only the top 40..) >> >> and as the query can change, the max score changes, so "query": >> "activity:(1) location:(1)^3" - is getting me a max score of 1.264911 >> because there's not much to search on - (I know because I can see the top >> results do exactly match..) >> but a more complex search like "query": "activity:(1) location:(2)^3 >> accommodation_facilities:(459 OR 347 OR 319)^1 >> accommodation_comfort:(193)^2", is scoring 2.1828206 as a 100% match >> >> Thanks >> >> Guy >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elasticsearch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elasticsearch/075dd752-a6a2-4044-862a-257a2029ee12%40googlegroups.com<https://groups.google.com/d/msgid/elasticsearch/075dd752-a6a2-4044-862a-257a2029ee12%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Adrien Grand >
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