The ninth International Conference on Metadata and Semantics Research (MTSR'15), that was hosted in Manchester Metropolitan University, on 9 - 11 of September 2015, aimed to bring together scholars and practitioners that share a common interest in the interdisciplinary field of metadata, semantics, linked data and ontologies. Dr Panagiotis Papadakos from the Lifewatch Greece Team of FORTH presented "Species Identification through Preference-enriched Faceted Search", a work based on the Preference-enriched Faceted Search system Hippalus. The paper was presented in the "Semantic Web and Metadata Extraction, Modelling, Interoperability and Exploratory Search" session of the conference.