Web Resources

Studies the fundamental principles, underlying processes, and analytic constructs of classification schemes and procedures by humans or automata.

Research paper discussing automatic categorization of magazine articles with broad subject descriptors. Focuses upon the following aspects of text classification: effective selection of feature words and proper names that reflect the main topics of the text, and training of text classifiers.

Scientific organization studying classification and clustering, including systematic methods for creating classification schemes from unstructured data.

Links to articles on using taxonomies in knowledge organization.

Describes how controlled vocabularies are useful in describing images and information for classifying content in electronic databases. Links to sample hierarchies and controlled vocabularies. Also features links to related resources.

Introduces a general semi-supervised learning framework called cross-training which can exploit knowledge about label assignments in one taxonomy B to make better inferences about label assignments in another taxonomy A.

Examines software segment for taxonomy management.

Discusses the limitations of traditional library and content classification schemes to organizing information in an electronic environment.

Investigates how to effectively incorporate large, faceted category hierarchies into information access user interfaces.

A federation of national, regional, and linguistically-based classification societies whose aims are to further knowledge classification research.

Brief article focused on helping knowledge base publishers understand how taxonomies work and how to implement them. Features related articles.

Project that attempts to classify web pages based solely on their URL. A functional demo is included.

Briefly discusses the use of taxonomies in organizing unstructured data.

Annotated list of works on classification theory, classification systems, controlled vocabularies, indexing, index design, thesaurus design, and library and information science.

Projects, research, products and services investigating or demonstrating automated Web categorization. Some prototypes and demos are available.

Provides a web directory where links associated with a topic are placed by automatic text categorization. Includes a description of the Snowfox Relevance Engine, a white paper that can be requested on directories and an article on ten miscategorization errors.

Describes the use of taxonomies to organize information on the Web.

Directory of taxonomies, thesauri, classification schemes, and other authority files, plus information on how to license the taxonomies. Features search, browse and alert service.

Brief overview of taxonomies and their use in organizing information on the Internet.

Surveys the rapidly changing automatic classification software market and examine the features and capabilities of leading classification products.