Keefer, D. A., & Blake, C. (2024). Information Behaviors and Decision Making in Practice: A Study of Expertise and Trust. IN REVIEW, Journal of the Association for Information Science and Technology.
Keefer, Donald A., 2023. Advancing Knowledge-Rich Intelligent Systems in Geology: Research on Information Integration, Representation, and Use. Ph.D. Dissertation. Informatics. University of Illinois at Urbana-Champaign, 170p.
Keefer, D. A., C. Blake, 2022. Human-Driven Models: A Case Study of Geologists as They Engage with Data for Decision Making. Proceedings of the 85th Annual Meeting of the Association for Information Science and Technology, Pittsburgh, PA, October 29 – November 1, 2022, ASIS&T, 51–57.
Keefer, D.A., C. Blake, 2021. Data reuse assessment: Modeling alignment among multiple data streams. Proceedings of the 84th Annual Meeting of the Association for Information Science and Technology, doi: 10.1002/pra2.451.
Keefer, D.A., K.M. Wickett, 2020. Adapting research process models for design of knowledge engineering applications. 83rd Annual Meeting of the Association for Information Science and Technology, Online, October 23-30, 7p. – Best Short Paper Award
Kumar, P., P.V.V. Le, A.N.T. Papanicolaou, B.L. Rhoads, A.M. Anders, A. Stumpf, C.G. Wilson, E.A. Bettis III, N. Blair, A.S. Ward, T. Filley, H. Lin, L. Keefer, D.A. Keefer, Y.-F. Lin, M. Muste, T.V. Royer, E. Foufoula-Georgiou, P. Belmont, 2018. Critical Transition in critical zone of intensively managed landscapes. Anthropocene, v. 22, pp. 10-19. https://doi.org/10.1016/j.ancene.2018.04.002
Høyer, A.-S., G. Vignoli, T.M. Hansen, L.T. Vu, D.A. Keefer, F. Jørgensen, 2017. Multiple-point statistical simulation for hydrogeologic models: 3-D training image development and conditioning strategies, Hydrology and Earth System Sciences, 21, pp.6069-6089, https://doi.org/10.5194/hess-21-6069-2017.
Vignoli, G., A.-S. Høyer, T.M. Hansen, L.T. Vu, D. Keefer, F. Jørgensen, 2017. 3D Training Image Development and Conditioning Strategies for Multiple-Conditioning Strategies for Multiple-Point Statistical Simulations. Symposium on the Application of Geophysics To Engineering and Environmental Problems (SAGEEP) 2017, pp. 383-386. https://doi.org/10.4133/SAGEEP.30-049
Gershenzon, ,N.I., M.R. Soltanian, R.W. Ritzi, D.F. Dominic, D. Keefer, E. Shaffer, B. Storsved, 2015. How does the connectivity of open-framework conglomerates within multi-scale hierarchical fluvial architecture affect oil-sweep efficiency in waterflooding, Geosphere, v. 11, no. 6, 18, pp: 1-18, doi:10.1130/GES01115.1.
Dey, W.S., A.M. Davis, B.B. Curry, D.A. Keefer, C.C. Abert, 2007. Kane County water resources investigations: Final report on geologic investigations. Illinois State Geological Survey, Open File Series 2007-7, 114p.
Keefer, D.A., A.M. Davis, 2004. Addressing Data Management Challenges in 3-D Geologic Mapping Projects. (In) Geological Models for Groundwater Flow Modeling: Workshop Extended Abstracts, R.C. Berg, H. Russell and L.H. Thorleifson (convenors), St. Catharines, Ontario, Canada, May 15, 2004. Illinois State Geological Survey, Open File Series 2004-8, 100p.
Keefer, D.A., 2002. Techniques for Improved Geologic Modeling, (In) Digital Mapping Techniques ‘02 – Workshop Proceedings, D.R. Soller (ed), Salt Lake City, UT, May 19-22, 2002, US Geological Survey, Open File Report 02-370, pp. 135-140.
Keefer, D. A., E. D. McKay, and R. C. Berg, 2002. Evaluating uncertainty in geologic models from the IL29 Geologic Mapping Project. (In) Three-Dimensional Geological Mapping for Groundwater Applications: Workshop Extended Abstracts, L.Harvey Thorliefson, Richard C. Berg (convenors), Denver, Colorado, October 26, 2002. Geological Survey of Canada Open File 1449, p. 27-31.
Keefer, D. A., D. R. Larson, 2001. A Method for Addressing Variable Data Quality and Clustered Data. (In) Geological Models for Groundwater Flow Modeling: Workshop Extended Abstracts / Richard C. Berg, L. Harvey Thorleifson, (convenors). North-Central Sectional Meeting, Geological Society of America, April 22. Illinois State Geological Survey Open File Series OFS2001-1. March 2001, p. 24-25.
Keefer, D.A., 1995a. Potential for Agricultural Chemical Contamination of Aquifers in Illinois: 1995 Revision. Illinois State Geological Survey Environmental Geology 148, 29p.
Maps
Keefer, D.A., 1995b. Aquifer Sensitivity to Contamination by Nitrate Leaching in Illinois. Statewide map, 1:500,000. Illinois State Geological Survey Open File Series 1995-3S.
Keefer, D.A., 1995c. Aquifer Sensitivity to Contamination by Pesticide Leaching in Illinois. Statewide map 1:500,000. Illinois State Geological Survey Open File Series 1995-5S.
McKenna, D.P., and D.A. Keefer, 1991. Potential for Agricultural Chemical Contamination of Aquifers in Illinois. Statewide map, 1:500,00 scale. Illinois State Geological Survey Open File Series 1991-7S.
Keefer, D.A., and R.C. Berg, 1990. Potential for Aquifer Recharge in Illinois. Statewide map, 1:1,000,000 scale. Illinois State Geological Survey.