Your solution seems to work fine, not perfect, but much better then mine :) Thanks!
>> If i do query like "Samsung" i want to see prior most relevant results >> with isflag:true and bigger popularity, but if i do query like "Nokia >> 6500" and there is isflag:false, then it should be higher because of >> exact match. Tried different combinations, but didn't found one that >> suites me. Just got isflag/popularity sorting working or >> isflag/relevancy sorting. > Multiplicative boosts tend to be more stable... > Perhaps try replacing > bf=isflag sqrt(popularity) > with > bq=isflag:true^10 // vary the boost to change how much > isflag counts vs the relevancy score of the main query > boost=sqrt(popularity) // this will multiply the result by > sqrt(popularity)... assumes that every document has a non-zero > popularity > You could get more creative in trunk where booleans have better > support in function queries. > -Yonik > http://www.lucidimagination.com