Prof. Krzysztof Walczak attended The 20th ACM SIGGRAPH International Conference on 3D Web Technology, which was held in Heraklion (Greece), June 18 – 21, 2015. During the conference prof. Walczak presented a paper titled “Semantic Query-based Generation of Customized 3D Scenes” (authors: Walczak, K., J. Flotyński) rewarded with The Web3D Best Paper Award for quality of the written and oral presentation. The nomination for this award comes from conference chairs and co-chairs.