question: public double SumOutlinkAuthorityScore ( Page page ) { List < String > outLinks = page . getOutlinks ( ) ; double authScore = 0 ; for ( int i = 0 ; i < outLinks . size ( ) ; i ++ ) { Page outLink = pTable . get ( outLinks . get ( i ) ) ; if ( outLink != null ) { authScore += outLink . authority ; } } return authScore ; }
target:  Calculate the Hub score of a page by summing the Authority scores of that page's outlinks.