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Freese, Eric. “Natural language processing in Topic Maps.” In Proceedings of Extreme Markup Languages 2001.
Marcoux, Yves and Élias Rizkallah. “Exploring intertextual semantics: A reflection on attributes and optionality.” In Proceedings of Extreme Markup Languages 2007®.
Marcoux, Yves. “A natural-language approach to modeling: Why is some XML so difficult to write?” In Proceedings of Extreme Markup Languages 2006®.
Wrightson, Ann. “Semantics of Well Formed XML as a Human and Machine Readable Language: Why is some XML so difficult to read?” In Proceedings of Extreme Markup Languages 2005®.