Hmm, from what I remember, Reproducibility became a big issue in SIGMOD. In 2008 they introduced some new requirements when submitting a paper.<p><a href="http://behind-the-enemy-lines.blogspot.com/2007/08/experimental-repeatability-requirements.html" rel="nofollow">http://behind-the-enemy-lines.blogspot.com/2007/08/experimen...</a>