General Chair

Marti Hearst
University of California, Berkeley

Program Chair

William Cohen
Carnegie Mellon University
Samuel Gosling
Univ of Texas, Dept of Psychology

Publicity Chair

Nicolas Nicolov
J.D.Power and Associates, McGraw-Hill

Sponsorship Chair

Matthew Hurst

Tutorials Chair

Chris Diehl
Lawrence Livermore National Labs

Data Challenge Chairs

Ian Soboroff
Akshay Java


Ramnath Balasubramanyan
Carnegie Mellon University





Call for Papers




Hotel Info

Important Dates


Accepted Papers

Invited Speakers


Data Challenge


ICWSM 2009

ICWSM 2008

ICWSM 2007

Videolectures from 2008

Videolectures from 2009

4th Int'l AAAI Conference on Weblogs and Social Media

May 23-26, 2010, George Washington University, Washington, DC

Sponsored by the Association for the Advancement of Artificial Intelligence.

ICWSM 2010 Data Challenge

The schedule for the workshop is here.

Continuing the ICWSM tradition, ICWSM 2010 is sponsoring a data challenge. This year's challenge builds atop the ICWSM 2009 dataset, and adds several accompanying resources built by contributors to the 2009 data challenge workshop. We invite you to download the dataset, explore it, learn something interesting about it, and submit a paper about it to ICWSM 2010.

Good research topics include...

But you should feel free to explore any aspect of the data that you feel would be of interest to the ICWSM community.

List of papers accepted to the Data Challenge Workshop

News Detection in the Blogosphere:Two Approaches Based on Structure and Content Analysis [pdf]
Leandro Franco and Hideki Kawai

The ICWSM 2010 JDPA Sentiment Corpus for the Automotive Domain [pdf]
Jason Kessler, Miriam Eckert, Lyndsie Clark and Nicolas Nicolov

Extracting Information Networks from the Blogosphere: State-of-the-Art and Challenges [pdf]
Filipe Mesquita, Yuval Merhav and Denilson Barbosa

Statistical Measure of the Effectiveness of the Open Editing Model of Wikipedia [pdf]
Sara Javanmardi, Yasser Ganjisaffar, Cristina Lopes and Pierre Baldi

Authors are invited to submit papers to a special data challenge workshop, to be held in conjunction with the ICWSM conference. The deadline for workshop submissions is March 10th. Submissions may be up to 8 pages in length, must be in PDF format, and must follow the ICWSM general conference submission guidelines. The workshop proceedings will not be printed (but will be available online), and we welcome exploratory research and works-in-progress that may later mature into publications at other venues. The workshop itself will feature presentations by authors as well as a broader discussion of data issues and opportunities confronting the social media community.
We also welcome authors to submit papers on the dataset to the main ICWSM conference. Time permitting, we will invite authors of accepted ICWSM papers on the dataset to also briefly present their work at the workshop.

Workshop papers should be submitted online at

Please see the data page for more details on the datasets available.

We have a mailing list for discussing the datasets at Please join to talk about whatever you're doing with the data. In particular, if you are looking for groups to collaborate with, here's a forum for you. We also have a project at Google Code,, where we can host tools and resources that you create to go along with the datasets.

Data Chairs
Ian Soboroff, NIST
Akshay Java, Microsoft

Sponsored by the Association for the Advancement of Artificial Intelligence. For more info: