N. Ikonomov, B. Simeonov, J. Parvanova, and V. Alexiev. Digital Presentation and Preservation of Cultural and Scientific Heritage (DiPP 2013), Veliko Tarnovo, Bulgaria, (September 2013)
V. Alexiev. INFX 598 - Introducing Linked Data: concepts, methods and tools. Information School, University of Washington. Module 9. Guest lecture, (May 2014)
V. Alexiev. Digital Presentation and Preservation of Cultural and Scientific Heritage (DiPP2012) conference (Invited report), Veliko Tarnovo, Bulgaria, (September 2012)