The UNDLF Recommendations have been stated by the UNDL Foundation in order to standardize the development of natural language resources (such as lexical databases and grammars) in the UNL R&D network. Although highly recommendable, they are not compulsory, as they concern subsidiary aspects of UNL. In any case, they must be followed by those interested in using UNDLF tools.
- UNDLF Tagset
- The UNL Tagset is a harmonized system for representing linguistic constants.
- UNDLF Dictionary Specs
- The Dictionary Specs state the syntax of dictionary entries.
- UNDLF Grammar Specs
- The Grammar Specs state the syntax of grammar rules.
- UNDLF KB Specs
- The UNL Knowledge Base Specs state the syntax of the UNL KB.