doi dblp"Hey, vitrivr!" - A Multimodal UI for Video RetrievalPrateek Goel | Ivan Giangreco | Luca Rossetto | Claudiu Tanase | Heiko SchuldtAdvances in Information Retrieval - 39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings