1. Diskussion Basic level terms in indexing and information retrieval Seminar I-Prax: Inhaltserschließung visueller Medien, 5.10.2004 Spree 2008 Diskusion Discussion Diskussionspunkte

2. Diskussion Paradigms of classical classification theory Seminar I-Prax: Inhaltserschließung visueller Medien, 5.10.2004 Spree Sose 2008 Diskusion Arguments for and against all objects in a category are similar and equivalent one subordinate category possesses all the features of the superordinate category the categories have solid boundaries, which are determined by the defining features (attributes) it is possible to group elements into mutually exclusive categories Scientists and thinkers like Rosch and Wittgenstein challenge this view. To them the world falls into a contiuum that results into a graded structure. Categories could be overlapping and flexible.

3. Diskussion Basic level terms in indexing and information retrieval Seminar I-Prax: Inhaltserschließung visueller Medien, 5.10.2004 Spree Sose 2008 Diskusion Arguments in favorArguments against basic level terms provide most information for least cognitive effort basic level terms are most familiar to the largest number of people basic level terms are the terms people already know, people generally want information about what they do not know, therefore basic level terms do not make good index terms Basic level terms are very generic (allgemein) – for a search higher levels of specifity are required to increase precision there are no universals in basic level terms: – they are user dependent (expertise, cultural background) Arguments for and against