University of Newcastle upon Tyne, Newcastle, United Kingdom. bio-ont-sig@cs.man.ac.uk|University of Newcastle upon Tyne, Newcastle, United Kingdom. bio-ont-sig@cs.man.ac.uk|University of Newcastle upon Tyne, Newcastle, United Kingdom. bio-ont-sig@cs.man.ac.uk|University of Newcastle upon Tyne, Newcastle, United Kingdom. bio-ont-sig@cs.man.ac.uk