Meta-graphs Extracted From Yelp Ra Friendof Check M1:(U B M2:(U, Check-in,B, Check-in(u- Check-inB Belong to M Check B Cat belong To B2) Ms: ( U, Check-in B, LocateIn -City LocateIn(B)) U,Check-in Locateln LocateIn B -State* Check-in/B Obtain Star, Obtain B 8.(IWrite Mention A,, Mention R. Write Check -in R B B,R Write R te Write Check- M R 1 AMeta-graphs Extracted From Yelp 37