• Conference
    Paper abstracts due: Jul. 31, 2012
    Papers due: Aug. 7, 2012
    Paper notifications: Oct. 26, 2012
    Camera ready deadline: Nov. 30, 2012
    • Conference: Feb. 6-8, 2013
  • Workshops
    Workshop proposals due: Jun. 29, 2012
    Workshop notifications: Aug. 3, 2012
    Paper notifications: Nov. 30, 2012
    • Workshops: Feb. 4-5, 2013
  • Tutorials
    Tutorial proposals due: Aug. 31, 2012
    Tutorial notifications: Oct. 12, 2012
    Tutorial camera ready: Nov. 2, 2012
    • Tutorial: Feb. 4-5, 2013
  • Data Challenge
    Launch Data Challenge: Aug. 31, 2012
    Registration to participate: Sep. 30, 2012
    End Data Challenge: Dec. 14, 2012
    • Data Challenge presentations: Feb. 5, 2013
  • Doctoral Consortium
    Submission: Sep. 14, 2012 Sep. 21, 2012

    Notifications: Nov. 20, 2012
    Camera ready deadline: Nov. 30, 2012
    • Doctoral Consortium: Feb. 5, 2013

Data challenge

The call for the data challenge is available here. In particular, note the required procedure:

  • The participating team has to notify the data challenge committee who is the leader of the team and which of the two tasks they are going to undertake (possibly both), by sending an e-mail to This email address is being protected from spambots. You need JavaScript enabled to view it. no later than September 30, 2012.
  • The team leader will be required to sign and fax the Non-Disclosure Agreement provided in the Appendix of the call.
  • After receiving the signed agreement, the team will be allowed to download the datasets needed for solving the chosen tasks.
  • The material to be submitted (detailed in the description of each task) should be sent to This email address is being protected from spambots. You need JavaScript enabled to view it. by December 14, 2012.
  • At least one author of each of the submissions to the data challenge must register to the WSDM conference prior to December, 14th. Submissions for which none of the authors will be registered by that date will not be evaluated.
  • The registered participants will present a poster describing their work in a special poster session during the conference.

For more details refer to the call.



  • Paolo Boldi (Università degli Studi di Milano)
  • Tamir Tassa (The Open University of Israel)


  • Graham Cormode (AT&T Labs)
  • Ravi Kumar (Google)
  • Theodoros Lappas (Boston University)
  • Marc Najork (Microsoft)
  • Massimo Santini (Università degli Studi di Milano)
  • Evimaria Terzi (Boston University)