JAPAN Big Data Report 5 , search queries that have high correlation with economic boom as well as economic depression are identified.
then, from the set D N (z k , q j ), we collect Web pages which satisfy the lower bound θ lbd into the set D N (z k , q j , θ lbd ) as below: Furthermore, we collect search engine suggests assigned to each Web page d in the set D N (z k , q j , θ lbd ) into the set S(z n , q j , N, θ lbd ) as below: For each topic z n , we collect search engine suggests for a query q j (j = 1, .