Specs

The UNL Specs define the formal grammar that is used to form UNL sentences and UNL documents. They have been stated by the UNL Center and constitute the keystone of UNL. They specify the structure of UNL documents and sentences; the syntax of Universal Words; the set of relations and attributes and their corresponding rules of use.

• Version 2005 (June, 2005) (Current Official Version)
• Version 3.3 (December, 2004)
• Version 3.2 (July, 2003)
• Version 3.1 (May, 2002)
• Version 3.0 (November, 2001)
• Version 2.0 (July, 1999)
• Version 1.5 (May, 1998)
• Version 1.0 (April, 1998)