Chief Guest/Speaker at Special Events

1. "Transforming Big Data into Smart Data: Deriving Value via harnessing Volume, Variety, and Velocity using semantic techniques and technology." IBM Distinguished Speaker Series, IBM Almaden Research Center, San Jose, CA, Jul. 1, 2014. (Abstract, Slides, Video)
2. "Computing for Human Experience: Semantics empowered Sensors, Services, Social and Ubiquitous Computing in Web 3.0 and beyond." University of Illinois, National Center for Supercomputing Applications (NCSA). Urbana-Champaign, IL, Oct. 10, 2010.
3. "Semantics empowered Understanding, Analysis and Mining of Nontraditional and Unstructured Data." Invited talk at the Data Mining Seminar with AFRL, Wright State University, Dayton, OH, Aug. 5, 2009.
4. "Semantic Web: Promising Technologies and Current Applications." Invited talk at the Reed Elsevier EPIC Conference, Toronto, Canada, Oct. 9, 2007.
5. "Semantic Web applications in Industry, Government, Health Care and Life Sciences." Invited talk at meeting of the Greater Dayton IT Alliance, Dayton, OH, Apr. 18, 2007.
6. "Semantic Web applications in Industry, Government, Health Care and Life Sciences." Keynote Address at the daytaOhio-organized conference From Research to Reality. Wright State University, Dayton, OH, Oct. 27, 2006.
7. "Semantics to energize the full Services Spectrum: Ontological approach to better exploit services at technical and business levels." Talk at the inauguration invitational event for Research School on Services-oriented Systems Engineering, Hasso-Plattner-Institute, Potsdam, Germany, Jun. 22, 2006.
8. "Realizing Semantic Information Brokering and Semantic Web." Invited talk, Perspectives on Agents: Theories and Technologies Seminar Series, Universita degli Studi di Trento, Trento, Italy, Apr. 27, 2000.
9. "An Overview of Workflow Management: From Process Modeling to Workflow Automation." CERN-wide Computing Colloquium, CERN, Geneva, Switzerland, Mar. 31, 1998.
10. "Workflow Management: Technology, Experiences and Research." special university-industry seminar, Universidade Nove de Lisboa, Lisbon, Portugal, Mar. 25, 1998.
11. "Information (Super) Highway: New Opportunities for Global Competitive Advantage for Developing Countries." city-wide talk organized by Ahmedabad Management Association, India, Aug. 26, 1996.
12. "Multidatabase Systems: Research and Reality." Invited guest speaker at the 1st Symposium of the Tsukuba Advanced Research Alliance (TARA). Tsukuba, Japan, Mar. 4, 1995.
13. "Information By-Ways, Lanes, and Superhighway." Citywide talk organized by the Ahmedabad Management Association, Ahmedabad, India, Dec. 1994.
14. Special guest and speaker at the UBILAB Workshop on Data Management Scenarios at Union Bank of Switzerland, Zurich, Apr. 28, 1993.
15. Primary speaker for the Workshop on Federated Database Systems (for the members of CRAI consortium), CRAI, Render, Italy, Mar. 23-24, 1992. Presented and led discussions for 21 hours.