other,0-3-E93-1043,ak The system combines an <term> extended two-level morphology </term> \ [ Trost , 1991a ; Trost , 1991b \ ] with a <term> feature-based word grammar </term> building on a <term> hierarchical lexicon </term> . <term> Polymorphemic stems </term> not explicitly stored in the <term> lexicon </term> are given a compositional interpretation .
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