Semantically Enabling the Global Geodynamics Project: Incorporating Feature-Based Annotations via XML Pointer Language (XPointer). - L. Ian Lumb; J. I. Lederman; James R. Freemantle; Keith D. Aldridge (HPCS, 2007)

Annotation modeling with formal ontologies: Implications for informal ontologies. - L. Ian Lumb; James R. Freemantle; J. I. Lederman; Keith D. Aldridge (Comput. Geosci., 2009)