- Large-Scale Controlled Vocabulary Indexing for Named Entities - Paper discussing the implementation of a named entity thesaurus by Lexis-Nexis. [PDF]
- Zthes: a Z39.50 Profile for Thesaurus Navigation - Describes an abstract model for representing and searching thesauri, specifying how the model may be implemented. Uses of Z39.50 protocol and XML DTD for thesauri are described.