Corporate Involvement in FLOSS
Study of Presence in Debian Code over Time
Universidad Rey Juan Carlos
Limerick, June 13th 2007
Introduction & Motivation
FLOSS landscape has a high variety of
participants: individuals, universities,
foundations... and, of course, companies!
Companies in FLOSS have already been
studied, especially focusing on the
Why? (Building a community, marketing...)
How? (Business models, etc.)
Where? (Software domains...)
Goal & Research Questions
To measure the involvement of companies
in FLOSS, specifically of those that deliver
code to the community
How much is the involvement of companies?
Has it changed over time?
How many companies?
Who are the main actors?
Analyze source code available in Debian
for contribution of companies
More than 10,000 source code packages in
Wewill apply our methodology from
Debian 2.0 (1998) to Debian 3.1 (2005)
Looking for contributions
Scanning for copyright statements
Companies have a high motivation to be
the copyright holders!
Example: IBM Corporation
international business machines international business machines
ibm deutschland entwicklung international business machines
gmbh, ibm corporation corp
international business machines ibm crop
corp international business machines
international business machines
ibm entwicklung gmbh, ibm
corporation and corporation
ibm deutschland entwicklung gmbh
international business machines,
... and 7 other ways!
(Avoiding) Double counting
Using a hash for each file
Not 2-to-2, but only on same filenames
Contribution is doubled every 2 years
Companies have been verified manually!!
by means of Google searches (thanks Diego!)