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3.3: Strings, Terms, Concepts

Terms have been defined as strings that obey a number of rules based on character patterns

But: the words of a language are used to describe contents.

Their "meaning" defines important relations, that cannot always been mapped using patterns of characters

ZUGANGAbb. 8: Truncations that do not only exclude animals (from Ferber, Wettler, Rapp 1995)

There are several approaches to use the meaning of words in IR. They can be characterized by two different methods:

ZUGANG3.3.1: Stemming

ZUGANG3.3.2: Classifications

ZUGANG3.3.3: Thesauri


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