Krzysztof Walczak, PhD, attended the ACM VRIC Laval Virtual Scientific Conference taking place together with the Laval Virtual 2018 exhibition on 4-6 April 2018 in Laval, France. During the session "Interaction and Visualization" prof. Walczak presented a paper entitled "A Contextual Semantic Interaction Interface for Virtual Reality Environments" (authors: Sokołowski, J., and K. Walczak). The Laval Virtual exhibition was one of the largest exhibitions in the world concerning the techniques and applications of virtual reality, visited by over 17000 visitors.