Query Fresh Top5 Similarity Bigrams Mean

Slice:	blender_production
Index:	1048
Name:	QueryFreshTop5SimilarityBigramsMean
Group:
Description:	Mean value for similarity of query and documents from fresh top5 (in bigrams mode of search dssm model)
Tags:	TG_FRESH
Authors:	ustas
Responsibles:	ustas