MGA: a decision support system for complex, incompletely defined problems. - Downey Brill; John M. Flach; Lewis D. Hopkins; S. Ranji Ranjithan (IEEE Trans. Syst. Man Cybern., 1990)

Interface for a sketch-planning workbench. - Lewis D. Hopkins; Rajiv Ramanathan; Varkki George Pallathucheril (Comput. Environ. Urban Syst., 2004)

Ontology for Land Development Decisions and Plans. - Nikhil Kaza; Lewis D. Hopkins (Ontologies for Urban Development, 2007)

Updating plans: a historiography of decisions over time. - Nikhil Kaza; Donovan Finn; Lewis D. Hopkins (J. Inf. Technol. Constr., 2010)

Planning support systems for cities and regions. - Lewis D. Hopkins (Int. J. Geogr. Inf. Sci., 2011)

Intentional actions, plans, and information systems. - Nikhil Kaza; Lewis D. Hopkins (Int. J. Geogr. Inf. Sci., 2012)