- ASIST Special Interest Group - Classification Research - Studies the fundamental principles, underlying processes, and analytic constructs of classification schemes and procedures by humans or automata.
- Automatic Categorization of Magazine Articles - 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.
- Classification Society of North America - Scientific organization studying classification and clustering, including systematic methods for creating classification schemes from unstructured data.
- Content Wire: Taxonomies - Links to articles on using taxonomies in knowledge organization.
- Controlled Vocabulary - 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.
- Delphi Group Taxonomy and Content Classification Report - Examines software segment for taxonomy management.
- EncycloZine: Content Classification Schemes - Discusses the limitations of traditional library and content classification schemes to organizing information in an electronic environment.
- Flamenco Project - Investigates how to effectively incorporate large, faceted category hierarchies into information access user interfaces.
- International Federation of Classification Societies - A federation of national, regional, and linguistically-based classification societies whose aims are to further knowledge classification research.
- MeURLin: URL-based Classification of Web Pages - Project that attempts to classify web pages based solely on their URL. A functional demo is included.
- Organizational Theory Bibliography - Annotated list of works on classification theory, classification systems, controlled vocabularies, indexing, index design, thesaurus design, and library and information science.
- Project Aristotle - Projects, research, products and services investigating or demonstrating automated Web categorization. Some prototypes and demos are available.
- Taxonomy Warehouse - Directory of taxonomies, thesauri, classification schemes, and other authority files, plus information on how to license the taxonomies. Features search, browse and alert service.
Media publications
- Crosstraining: Learning probabilistic mappings between topics - 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. (Published 2003.08.00)
- Managing Taxonomies Strategically - Brief article focused on helping knowledge base publishers understand how taxonomies work and how to implement them. Features related articles. (Published 2001.03.01)
- Online Taxonomies: The Next Shift for Information Science - Briefly discusses the use of taxonomies in organizing unstructured data. (Published 2001.03.01)
- Taxonomies Are What? - Describes the use of taxonomies to organize information on the Web. (Published 2001.10.04)
- Taxonomy: Creating Knowledge from Chaos - Brief overview of taxonomies and their use in organizing information on the Internet. (Published 2001.04.18)
- Word Wranglers - Surveys the rapidly changing automatic classification software market and examine the features and capabilities of leading classification products. (Published 2001.01.01)