Institute for Software Research University of California, Irvine www.isr.uci.edu/tech-reports.html Sushil Bajracharya Yimeng Dou University of California, Irvine University of California, Irvine sbajrach@ics.uci.edu ydou@ics.uci.edu Trung Ngo Pierre Baldi University of California, Irvine University of California, Irvine trungcn@ics.uci.edu pfbaldi@ics.uci.edu Erik Linstead Cristina Lopes University of California, Irvine University of California, Irvine elinstea@ics.uci.edu lopes@ics.uci.edu Paul Rigor University of California, Irvine prigor@ics.uci.edu A Study of Ranking Schemes in Internet-Scale Code Search November 2007 ISR Technical Report # UCI-ISR-07-8 Institute for Software Research ICS2 217 University of California, Irvine Irvine, CA 92697-3455 www.isr.uci.edu