[1] [CITE[RIF Core Dialect]] ([TIME[2010-06-22 23:52:50 +09:00]] 版) <http://www.w3.org/TR/2010/REC-rif-core-20100622/#RIF-Core_Presentation_Syntax>

[2] [CITE[RIF Basic Logic Dialect]] ([TIME[2010-06-22 23:52:50 +09:00]] 版) <http://www.w3.org/TR/2010/REC-rif-bld-20100622/#EBNF_Grammar_for_the_Presentation_Syntax_of_RIF-BLD_.28Informative.29>