Distributed Ledger Technologies:

• “Social Computing and Blockchain: From Incentive Mechanisms to Computer-supported Cooperative Work,” 3rd International Conference of Social Computing, December 2021.
• “Spark Webinar: An Introduction to Research Opportunities in Distributed Ledger Technologies.” Hosted by Prof. Suranga Nanayakkara; December 2020; https://www.youtube.com/watch?v=scpvQl86xdA
• "Decentralized Applications Augmented with Learning and Semantics"
  • Deakin University, Melbourne Australia; November 2019; Hosted by Dr. Niroshinie Fernando, and Dr. Jong Jeong
  • University of Auckland SoCS Seminar; October 2019; Hosted by Prof. Danielle Lottridge and Prof. Rizwan Asghar
• “Building Smart Trustworthy Decentralized Applications”, DePaul University’s Computer Science Colloquiu; Hosted by by Prof. Isuru Godage, September 2019
• “Smart Contracts in Financial Applications”, Rensselaer Polytechnic Institute’s Center for Financial Studies (CFS) Quantitative Finance Workshop 2019; Hosted by Prof. Aparna Gupta, September 2019

Privacy and Transparency on the Web:

• “Enabling Appropriate Use of Information on the Web”, Harvey Mudd College Computer Science Colloquium ; Hosted by Prof. Robert Keller and Prof. Yi-Chieh Wu, April 2017
•  “Healthcare Privacy and Intellectual Property Rights Protection with Information Accountability”, at Data Privacy Lab, Harvard University, May 2014
• “Who? What? When? Where and Why? Towards Transparent Healthcare Applications” at 2014 EITA Conference on New Media and Biomedical Research at MIT, August 2014
• “Accountable Systems” at TWed RPI, April 2014
• “Transparent Web Systems” at Amazon PhD Symposium, November 2013
• “Decentralized Provenance Management for User Managed Access” for the IETF OAuth 2.0 working group, November 2013
• “Policy Aware Content Reuse” at Emerging Information and Technology Association – Young Investigator Conference, August 2013
• “Accountable Web Protocols” at Library of Congress, May 2012
• “Addressing and Identifying Privacy Leakage from Query Logs: An Accountability Approach” at Microsoft Research, June 2011
• “Detecting Creative Commons Attribution License Violations on Flickr Images on the World Wide Web” at the Creative Commons Summit, December 2008

Knowledge Graphs:

• “FoodKG: A Semantics Driven Knowledge Graph for Food Recommendations,” IEEE Big Data 2019 Workshop on Big Food and Nutrition Data Management Analysis, December 09, 2019
• "Enabling Trust in Clinical Decision Support Recommendations through Semantics," University of Melbourne, Melbourne Australia; November 2019; Hosted by Prof. Karin Verspoor
• “RDF-Powered Dialog Systems,” TWed RPI, October 2017

Mobile Application Development:

• “Linked Data Connections” at MIT App Inventor Summit, July 2013
• “Android Application Development” at Google DevFest, Manila, Philippines, Aug 2012

Community Outreach:

• Keynote Speech at “Computer Science for All Girls,” Auburn University, Alabama, July 2013

Panels:

• Technology Enablers for Financial Instruments at IEEE Services 2021 Conference, Sep 9 2021 virtual)
• MIT Electrical Engineering and Computer Science Alumni Panel, organized by Prof. Leslie Kolodziejski, March 6 2021 (virtual)
• AI for Humanitarian Technologies and Disaster Management at the AAAI AI for Social Good Fall 2020 symposium, Nov 14 2020 (virtual)
• AI for Healthcare at the AAAI AI for Social Good Fall 2020 symposium, Nov 13 2020 (virtual)
• Expert Panel on Semantic Machine Learning at IEEE International Conference on Semantic Computing 2019, Newport Beach CA, Feb 01 2019
•  “The Future of Blockchain”, Expert Panel at the Rensselaer Silicon Valley Executive Council moderated by Dean Curt Breneman; San Jose CA; Dec 5 2018; Link: https://giving.rpi.edu/western-digital-rensselaer-panel-discussion-blockchain
• “Applying lessons learnt from Web Science Research to Blockchain Research”, Closing Panel at the 10 years of Web Science: Closing the Loop, Dagstuhl Workshop, June 2018