Hierarchy in Meritocracy: Community Building and Code Production in The Apache Software Foundation

This research is about code production in top-level open source communities of The Apache Software Foundation (ASF). We extensively analyzed Subversion repository logs from 70 top-level Apache open source projects in the ASF from 2004 to 2009. Based on interactions in code production during one-year periods we constructed networks of file co...

Understanding open source communities: An organizational perspective

Open source communities are groups of sometimes hundreds if not thousands of individuals with different interests, backgrounds and motives. Many participants are volunteers, who are not paid to take part in the communities. Furthermore, many never get to meet each other in real life. They meet virtually, on the Internet. Yet they are able to...