Flarenet-Silt workshop on Ontology and Lexicon September-19 th -2009, Pisa Division of semantic labor over vocabulary and ontology layers Piek Vossen,
Division of semantic labor in the Global WordNet Grid Piek Vossen, VU University Amsterdam German Rigau, University of the Basque Country 5 th Global Wordnet.
Chapter 12: Sustaining biodiversity (species/extinction) Land and Water Use Unit.
