The ACM SIGSOFT Software Engineering Notes (SEN) is published by the Association for Computing Machinery (ACM) for the Special Interest Group on Software Engineering (SIGSOFT).[1] It was established in 1976, and the first issue appeared in May 1976.[2] It provides a forum for informal articles and other information on software engineering. The headquarters is in New York City.[2] Since 1990, it has been published five times a year.[2]