City-Stories: A Spatio-Temporal Mobile Multimedia Search System. - Lukas Beck; Heiko Schuldt (ISM, 2016)

City-Stories: A Multimedia Hybrid Content and Entity Retrieval System for Historical Data. - Shaban Shabani; Maria Sokhn; Laura Rettig; Philippe Cudré-Mauroux; Lukas Beck; Claudiu Tanase; Heiko Schuldt (HistoInformatics@CIKM, 2017)