183Mining Data from Software Repositories
Sourcerer’s managed repository stores and maintains the local copies of software
projects that have been garnered from numerous open source repositories. As of now, the
repository hosts as many as 18,000 Java-based projects obtained from Apache, Java.net,
Google Code, and SourceForge.
Additionally, the project provides Sourcerer DB, which is a relational database whose
structure and reference information are extracted from the projects’ source code. Moreover,
a code search engine has also been developed using the Sourcerer infrastructure.
5.10.6 Ultimate Debian Database
Ultimate Debian Database (UDD) project gathers a lot of data about various aspects of
the Debian project (a free, Linux kernel-based ...