On the influence of maintenance activity types on the issue resolution time
Alessandro Murgia, Giulio Concas, Roberto Tonelli, Marco Ortu, Serge Demeyer, Michele Marchesi · 2014
The ISO/IEC 14764 standard specifies four types of software maintenance activities spanning the different motivations that software engineers have while performing changes to an existing software system. Undoubtedly, this classification has helped in organizing the workflow within software projects, however for planning purposes the relative time differences for the respective tasks remains largely unexplored.