Janowicz K, Krisnadhi A, Hu Y, Suh S., Weidema B P, Rivela B, Tivander J, Meyer D, Berg-Cross G, Hitzler P, Ingwersen W, Kuczenski B, Vardeman C, Ju Y, and Cheatham M – 2015 A minimal ontology pattern for life cycle assessment data. 6th Workshop on Ontology and Semantic Web Patterns (WOP 2015)