Workshop paper presented at the Workshop on Multiobjective Problem-Solving from Nature, 9th International Conference on Parallel Problem Solving from Nature (PPSN IX), Reykjavik, Iceland, 9-13 September 2006An extended version of this paper was subsequently published as a chapter in Multiobjective Problem Solving from Nature (Springer), pp. 155-176; see: http://hdl.handle.net/10871/11569This paper sets out a number of the popular areas from the literature in multi-objective supervised learning, along with simple examples. It continues by highlighting some specific areas of interest/concern when dealing with multi-objective supervised learning problems, and highlights future areas of potential research