Eneko Agirre Xabier Arregi Xabier Artola Arantza Díaz de Ilarraza Sánchez Kepa Sarasola Lexical Knowledge Representation in an Intelligent Dictionary Help System http://arxiv.org/abs/cmp-lg/9501004 1995 CoRR cmp-lg/9501004 db/journals/corr/corr9501.html#cmp-lg-9501004