Liang, Bai, Lao, Songyang, Smeaton, Alan F. ORCID: 0000-0003-1028-8389, O'Connor, Noel E. ORCID: 0000-0002-4033-9135, Sadlier, David A. and Sinclair, David (2009) Semantic analysis of field sports video using a petri-net of audio-visual concepts. The Computer Journal, 52 (7). pp. 808-823. ISSN 0010-4620