Erratum to: Appl Intell (2012) 37:558–568 DOI  10.1007/s10489-012-0349-9

The original version of this article unfortunately contained a mistake. The original article was submitted with Karen O’Shea as a sole author. There were however, additional authors whom should have received credit. The authors: Keeley Crockett, Zuhair Bandar and James O’Shea are now included as authors of the above publication.