NOUNS IN THE WORDNET FOR POLISH

The article discusses how the class of nouns is described in Polish WordNet (plWN) - lexico-semantic relation database project. There are presented the principles of the nominal description in the Princeton WordNet (WN), the related project - EuroWordNet (EWN) and the basic solutions in the plWN. The paper describes some specific problems that occurred during development of the plWN, especially concerning top ontology classes, vagueness of the definitions of lexicosemantic relations and some difficulties with rich Polish morphology. Finally, some numeric data for nouns in the plWN are presented