Explores the use of linear models and a combination of neural networks and linear classifiers to create a hybrid hierarchical mixture of experts (HME) model. Results confirm that using the hierarchical structure of the classification vocabulary improves categorization performance. (AEF)

Discusses advancements in imaging technology and increased user access to digital images, as well as efforts to develop adequate indexing and retrieval methods for image databases. Describes preliminary results of a study of undergraduates that explored the attributes naive subjects use to describe scientific diagrams. (Author/LRW)

Demonstrates how a Web-based information architecture can support sophisticated thesaurus management, authority control and indexing. Examines what resources are available to assist in normalizing Web terminology; methods and tools that can be used for normalizing terms across languages and disciplines; how terminology can assist in Web searching;…

Explores to what extent the germ theory, when it was still a relatively new idea, is evident in the bibliographic records in the "Index-Catalogue of the Library of the Surgeon-General's Office of the United States Army" (Index Cat), the largest medical bibliographical tool ever published. Data suggest that scientists are quick to apply the new…