This paper presents conceptual assumptions about the inter- action between the structural specificities of a thesaurus and the quality of a thesaurus-based application output. So far hardly any literature exists that discusses thesaurus mod- elling requirements with respect to the following thesaurus- specific application areas: classifying, indexing, autocom- plete, query expansion, recommendation and glossaries. By looking at these application areas the authors compare the structural attributes of SKOS and discuss their functional relevance. The authors conclude that taking these assump- tions into account can significantly support application-oriented thesaurus modelling hence incrementally improving thesaurus- based applications in terms of modelling scope and effort. An empirical testing of these assumptions is subject to fu- ture work.

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