Service

Open Source Software

• Recruit System
• OAMulator
• Evaluation of Topical Crawlers
• Java Library for Topical Crawlers
• Webgraph++
• A Web service to convert Safari bookmarks from binary to ascii/text XML
• Latent Energy Environments

Conference Organization, Program Committees, and Guest Editing

• WSDM 2009 (2nd ACM Intl. Conference on Web Search and Data Mining - Senior Program Committee)
• HT 2008 (19th Intl. ACM Conference on Hypertext and Hypermedia - Chair, Social Linking track)
• JASIST (Special Topic Issue on Mining Web Resources for Enhancing Information Retrieval)
• AAAI-07 (22nd National Conference on Artificial Intelligence - AI & Web track)
• AAAI-06 (21st National Conference on Artificial Intelligence - AI & Web track)
• SIGIR 2006 (29th Annual Intl. ACM SIGIR Conf. on R&D in Information Retrieval)
• ALIFE X (10th International Conference on the Simulation and Synthesis of Living Systems)
• WWW 2005 (14th International World Wide Web Conference)
• LinkKDD 2005 (KDD Workshop on Link Discovery and Group Detection)
• Informatics: Defining the Research Agenda
• WWW 2004 (13th International World Wide Web Conference)
• SIGIR 2002 (25th Annual International ACM SIGIR Conference - Poster Program)
• GECCO 2002 (Genetic and Evolutionary Computation Conference - AAAA track)
• INFORMS Annual Meeting 2001 (Chair, Web Mining session)
• Autonomous Agents 2001 (5th Intl. Conf. on Autonomous Agents)
• EMO'01 (1st Intl. Conf. on Evolutionary Multi-Criterion Optimization)
• ALIFE VII (7th International Conference on the Simulation and Synthesis of Living Systems)
• ALIFE VI (6th International Conference on the Simulation and Synthesis of Living Systems)

School and Department

• In 2005-2007 I am serving on the School of Informatics' policy committee.
• In 2004-2006 I chaired the Colloquia committee (pics).
• In 2005-2006 I served on the School of Informatics' structure committee.
• In 2003-2004 I was coordinator of the School of Informatics' ambitious faculty hiring.

Other

• I am the former advisor of the IU Table Tennis Club. Among my service contributions this was the one that made me sweat the most.
• I am the Informatics Espresso Club Czar. Among my service contributions this is the one that keeps me up at night.