Ioannis Pratikakis and Anastasia Bolovinou and Basilios Gatos and Stavros J. Perantonis, Semantics Extraction from Images, Chapter in Knowledge-Driven Multimedia Information Extraction and Ontology Evolution - Bridging the Semantic Gap (Georgios Paliouras, Constantine D. Spyropoulos, George Tsatsaronis, eds.), Springer, volume 6050, (Pages: 50–88), 2011.[url][doi]