Reports on a project showing that relational data models, including unnormalized models that allow the nesting of relations, cannot fully capture the structural properties of lexical information. A feature-based model that allows for a full representation of some nesting and defines a factoring mechanism is described and demonstrated. (38…

Describes problems in devising a Text Encoding Initiative (TEI) encoding format for dictionaries. Asserts that the high degree of structuring and compression of information are among the most complex text types treated in the TEI. Concludes that the source of some TEI problems lies in the design of Standard Generalized Markup Language (SGML). (CFR)