The BCIO is part of the Human Behaviour Change project, funded by the Wellcome Trust. It represents information in the field of behavioural science. In time, the aim is for researchers and practitioners in the behavioural sciences to be able to represent all of the key information in their studies, interventions and models using the BCIO or related ontologies. Thiswill dramatically increase clarity in the field, integration of data and evidence, and the ability to use computers to search and make inferences from data.