Computing Scores in a Complete Search System Efficient Ranking Special case -unweighted queries No weighting on query terms Assume each query term occurs only once Then for ranking, dont need to normalize query vector Slight simplification of agorithm from Lecture 7Computing Scores in a Complete Search System Special case – unweighted queries ▪ No weighting on query terms ▪ Assume each query term occurs only once ▪ Then for ranking, don’t need to normalize query vector ▪ Slight simplification of algorithm from Lecture 7 Efficient Ranking 9