VIAF. The Protégé Ontology Editor and Knowledge Acquisition System. ALIPR - Automatic Photo Tagging and Visual Image Search. A.k.a - Records Management software, Thesaurus Software, Thesaur. Controlled Vocabulary: your site for information on Keyword, Hie. Sidebar to Tags Help Make Libraries Del.icio.us - 9/15/2007 - Li. Hierarchy Versus Facets Versus Tags. See ClassificationPaperOutline2 for a more up-to-date version of this paper. The problem of where to file: Is it possible to construct the perfect classification system? A truly first-rate hierarchy would not only have all of the characteristics of FN's hierarchy [_hey - what's an 'FN'?
_], but it would also manage to encode the hierarchy in such a way as to eliminate all ambiguity as to where an item might be found. FN comes pretty close. But you can always imagine that it might be hard to decide where that sock garter really goes? [As a result, Hierarchies are horrible at #3: Targeted search and retrieval of individual items. But as you'll, see this is a problem even in faceted classification systems. How the cookie crumbles: The ways in which hierarchies fail: Nobody builds semantically pure hierarchies, it's just too much work. Look at the Finder screenshot on the HierarchyPapers.
[More reasons why hierarchies are bad at #3: Targeted search and retrieval of individual items] 1. 3. 4. 1.