Two research papers and a demo paper accepted at ACM ICMR 2017. CERTH will present the: a) “Query and Keyframe Representations for Ad-hoc Video Search” paper, which is a fully-automatic method that combines video concept detection and textual query analysis in order to solve the problem of ad-hoc video search; b)”Concept Language Models and Event-based Concept Number Selection for Zero-example Event Detection” paper, which describes a fully-automatic zero-example event detection method that is based on translating the event description to a predefined set of concepts; and c)”VideoAnalysis4ALL: An on-line tool for the automatic fragmentation and concept-based annotation, and the interactive exploration of videos” demo paper, which is a tool that supports the automatic fragmentation and concept-based annotation of videos, and the exploration of the annotated video fragments through an interactive user interface. For more information please check here.