sentence1: weights need to be between 0 and 1 for normalization purposes , where larger weights are assigned to generalized items comprised of items that are more semantically distant , since such generalized items harm data utility more .
sentence2: for normalization purposes , weights need to be between 0 and 1 , where larger weights are assigned to generalized items comprised of items that are more semantically distant , since such generalized items are more harmful to data utility .