Interesting Coincidence! ■S|GMoD+VLDB+|CDE 2000200120022003200420052006200720082009201020112012 Social computing Web 2.0 DB people started working on graphs at around the same time!Interesting Coincidence! 4 DB people started working on graphs at around the same time！ 0 5 10 15 20 25 30 35 40 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 SIGMOD + VLDB + ICDE Social computing & Web 2.0