Journal and Book Reviews:

• 2007/2008: Referent for Literator, Tydskrif vir besondere en vergelykende taal en literatuurstudie, ed. H. Viljoen. Potchefstroom, Zuid-Afrika.

• 2007/2008: Referent for Semantic representation in Functional Discourse Grammar, a special issue of Lingua by K. Hengeveld and G. Wanders (eds).

• 2005: Referent for the Internation Journal of Lexicography, "Semantic Frames".

• 2004: Referent for the Journal of Logic, Language and Information: "Handbook for Language Engineers", edited by Ali Farghaly, Center for the Study of Language and Information, Stanford, California, December 2003.

• 2004: Referent for the Journal Traitement Automatique des Langues , Special issue on "Electronic Dictionaries".

• 2003: Referent for the Journal Computer Speech and Language, "Word Sense Disambiguation Using Untagged Corpus at Sense Level", Authors: I Nica, M A Marti, A Montoyo, S Vasquez.

• 2003Referent for the Journal Computer & the Humanities, "Semantic Roles as Slots in OIL Ontologies", Authors: Cybulka/Martinek

• 2001: Referent for the Journal Traitement Automatique des Langues (TAL).

• November 1998: Referent for the Journal Information Processing & Management, School of Communication, Information and Library Studies and Infoproman