Editorial

• Guest Editor for the International Journal on Distributed and Parallel Databases, Special Issue on Ranking in Databaes

Chairing/Steering

• Vice Chair of ICDE 2010 (Text and Uncertain Data Track)
• Steering Committe of DBRank
• Program Committee co-chair of DBRank 2007: In conjunction with ICDE 2007
• Program Committee co-chair of DBRank 2008: In conjunction with ICDE 2008
• Co-chair of the SIGMOD 2008 New Faculty Symposium
• Co-chair of the SIGMOD 2007 New Faculty Symposium

Program Committee Member

Conferences

• ICDE (2006, 2007, 2008, 2009, 2011)
• SIGMOD (2006, 2007,2011)
• VLDB (2007, 2008, 2009, 2011)
• EDBT (2010)
• WWW (2009)
• ACM GIS (2008)
• SSDBM (2007)
  
• COMAD (2006)
• CIKM (2006)
• XSym (2006, 2007)

WorkShops

• WIDM 2008: 10th ACM International Workshop on Web Information and Data Management
• IDAR 2008: SIGMOD Phd Workshop on Innovative Database Research
• WIDM 2007: 9th ACM International Workshop on Web Information and Data Management
• VLDB 2007 Ph.D. Workshop
• 3rd Multidisciplinary Workshop on Advances in Preference Handling: In conjunction with VLDB 2007
• 2nd Multidisciplinary Workshop on Advances in Preference Handling: In conjunction with ECAI06
• QLQP 2006: EDBT Workshop on Query Languages and Query Processing.
• MDDM 2006 ICDE Workshop on Multimedia Databases and Data Management.
• EMMA 2005: ICDE Workshop on Managing Data for Emerging Multimedia Applications.

Other

SIGMOD 2006 Undergraduate Scholarship