The development of a historical digital cadastral database. - Gary J. Hunter; Ian P. Williamson (Int. J. Geogr. Inf. Sci., 1990)

Assessing the worldwide developments of national spatial data clearinghouses. - Joep Crompvoets; Arnold K. Bregt; Abbas Rajabifard; Ian P. Williamson (Int. J. Geogr. Inf. Sci., 2004)

Are SDIs serving the needs of local planning? Case study of Victoria, Australia and Illinois, USA. - Zorica Nedovic-Budic; Mary-Ellen F. Feeney; Abbas Rajabifard; Ian P. Williamson (Comput. Environ. Urban Syst., 2004)

Using SDI and web-based system to facilitate disaster management. - Ali Mansourian; Abbas Rajabifard; Mohammad Javad Valadan Zoej; Ian P. Williamson (Comput. Geosci., 2006)

The role of sub-national government and the private sector in future spatial data infrastructures. - Abbas Rajabifard; Andrew Binns; Ian Masser; Ian P. Williamson (Int. J. Geogr. Inf. Sci., 2006)

Challenges and Issues for SDI Development. - Ian P. Williamson; Abbas Rajabifard; Andrew Binns (Int. J. Spatial Data Infrastructures Res., 2006)

DISCUSS: A Soft Computing Approach to Spatial Disaggregation in Economic Evaluation of Public Policies. - Daniel Paez; Ian D. Bishop; Ian P. Williamson (Trans. GIS, 2006)

Spatial Data Integrability and Interoperability in the Context of SDI. - Hossein Mohammadi; Abbas Rajabifard; Ian P. Williamson (AGILE Conf., 2008)

Spatially enabling governments through SDI implementation. - Ian Masser; Abbas Rajabifard; Ian P. Williamson (Int. J. Geogr. Inf. Sci., 2008)

Development of an interoperable tool to facilitate spatial data integration in the context of SDI. - Hossein Mohammadi; Abbas Rajabifard; Ian P. Williamson (Int. J. Geogr. Inf. Sci., 2010)

Spatial Metadata Automation: A Key to Spatially Enabling Platform. - Hamed Olfat; Mohsen Kalantari; Abbas Rajabifard; Hervé Senot; Ian P. Williamson (Int. J. Spatial Data Infrastructures Res., 2012)

A GML-based approach to automate spatial metadata updating. - Hamed Olfat; Mohsen Kalantari; Abbas Rajabifard; Hervé Senot; Ian P. Williamson (Int. J. Geogr. Inf. Sci., 2013)

Geospatial Metadata 2.0 - An approach for Volunteered Geographic Information. - Mohsen Kalantari; Abbas Rajabifard; Hamed Olfat; Ian P. Williamson (Comput. Environ. Urban Syst., 2014)