1. Ahmad, N., & Bull, S. (2009). Learner trust in learner model externalisations. In V. Dimitrova, R. Mizoguchi, B. du Boulay, A. Graesser (Ed.), Artificial intelligence in education, Amsterdam: IOS Press, 617--619.
2. Brown, M. (2012). Learning analytics: Moving from concept to practice, EDUCAUSE Learning Initiative, 1--5.
3. Bull, S. & Kay, J. (2013). Open Learner Models as Drivers for Metacognitive Processes, in R. Azevedo & V. Aleven (eds), International Handbook of Metacognition and Learning Technologies, Springer, New York, 349--365. DOI: 10.1007/978-1-4419-5546-3_23
4. Bull, S. & Pain, H. (1995). 'Did I Say What I Think I Said, And Do You Agree With Me?': Inspecting and Questioning the Student Model, in J. Greer (ed), Proceedings of World Conference on Artificial Intelligence and Education, AACE, Charlottesvville VA, 501--508.
5. Bull, S. (in press). Negotiated Learner Modelling to Maintain Today's Learner Models, Research and Practice in Technology Enhanced Learning.