"Studying the metadata of the ACM Digital Library http://www.acm.org/dl, we found that papers in low-acceptance-rate conferences have higher impact than those in high-acceptance-rate conferences within ACM, where impact is measured by the number of citations received. We also found that highly selective conferences—those that accept 30% or less of submissions—are cited at a rate comparable to or greater than ACM Transactions and journals." show your conference acceptance rate <30% "Overall, th