Dr.  Ujwal Gadiraju

Dr. ir. Ujwal Gadiraju is an Assistant Professor at the Web Information Systems (WIS) group of the Software Technology department at Delft University of Technology, the Netherlands. He is a Director of the Delft AI ‘Design@Scale’ Lab, which focuses on Human-AI collaboration to design solutions for complex social problems. In addition to this, Ujwal leads a research line on Crowd Computing and Human-Centered AI at the WIS group. Owing to his primary research interests, he is very active in the Human Computer Interaction and Information Retrieval communities.

Ujwal has been an ACM member since 2015, and became an ACM Distinguished Speaker in 2021. He has given several invited talks at different research institutes and universities around the world, apart from regular talks at academic conferences. 

He has published around 100 peer-reviewed articles at top-tier ACM, IEEE, AAAI conferences and journals, including CHI, TOCHI, CSCW, HCOMP, TKDE, WWW, WSDM, CIKM, among several others. Ujwal received the Douglas Engelbart Best Paper award at the ACM HT2017 conference, a Best Paper Honorable Mention award at the ACM CSCW 2020 conference, and co-authored work that won a Best Student Paper award at AAAI HCOMP 2020. He serves on the editorial board of the Human Computation Journal and has served as the Program Chair of the ACM HT2020 conference. Ujwal has served in various capacities on the organization committees of AAAI HCOMP 2020, ACM CIKM 2020, different editions of ACM HT, ACM Web Science, and in several other conference organization and program committees. His scholarly service on program committees was recognized by Outstanding Reviewer awards at ACM CHI 2017, WWW 2017, and ACM UMAP 2019.

Before joining TU Delft, he worked at the L3S Research Center in Hannover, Germany as a postdoctoral researcher between 2017-2020. In 2017, Ujwal received a PhD degree with a summa cum laude from the Leibniz University of Hannover. His dissertation was nominated for the prestigious GI-Dissertation Prize in 2018. For more information, visit https://ujwalgadiraju.com. 

• Conversational Interfaces for Health, Search, and Crowd Computing
  Conversational interfaces have been argued to have advantages over traditional GUIs due to having a more human-like interaction. The rise in popularity of conversational agents has enabled humans...
• Crowd Computing for Next Generation AI Systems
  The unprecedented rise in the adoption of artificial intelligence techniques and automation in many contexts is concomitant with shortcomings of such technology with respect to robustness,...
• Supporting Knowledge Gain in Web Search Sessions
  More than half of the world’s population has access to the Internet today. Satisfying one’s information needs has never been easier and more ubiquitous. We can catch ourselves turning...