Order in the Library v4.0

via http://www.faviki.com/ "use of Wikipedia's articles and associated pages as a topic ontology for this purpose. The benefits of the approach are that the ontology terms are developed through a social process, maintained and kept current by the Wikipedia community, represent a consensus view, and have meaning that can be understood by reading the associated pages. We have demonstrated the use of Wikitology to improve the performance of an information retrieval system and as a source of evidence in a intra-document entity co-reference task.

"AZ using BISAC to arrange the collection. Phoenix Public is also adding BISAC terms to the catalog record. Personally I don't see how SCI004000 is any easier to a patron than 520 or QB, but it is good to experiment and they seem to have a significant increase in circulation. If you want to see what they are using, the BISAC classification is available online."