Publications

Papers

COSYSMO: A Systems Engineering Cost Model
1st Conference on Systems Integration (Stevens Institute of Technology), March 2003

COSYSMO: A Constructive Systems Engineering Cost Model Coming of Age
INCOSE 2003 Symposium, June 2003

Systems Engineering Sizing in the Age of Acquisition Reform
18th COCOMO Forum, October 2003

The Effect of Size and Cost drivers on Systems Engineering Effort
Systems Engineering Journal (under review)

Lessons Learned from Collecting Systems Engineering Data
2nd Conference on Systems Engineering Research

An Approach to Technology Risk
MIT Engineering Systems Symposium, March 2004

Systems Engineering Cost Estimation by Consensus
International Conference on Systems Engineering, September 2004

Model Unification of Software, Systems, and Systems of Systems

Boehm, B., Valerdi, R., Lane, J., & Brown, A.W., COCOMO Suite Methodology & Evolution, The Journal of Defense Software Engineering, April 2005. [pdf]

Valerdi, R., Raj, J., Sea Level Requirements as Systems Engineering Size Metrics, 15th INCOSE Symposium, July 2005, Rochester, NY.  [pdf]

Lane, J., Valerdi, R., Synthesizing System-of-Systems Concepts for Use in Cost Estimation, IEEE Conference on Systems, Man, and Cybernetics, October 2005, Waikoloa, HI.  [pdf]

Valerdi, R., Dixit, I., On the Use of Architectural Products for Cost Estimation, 4th Conference on Systems Engineering Research, April 2006, Los Angeles, CA.  [pdf]

Valerdi, R., Wang, G., Roedler, G., Rieff, J., Fortune, J. COSYSMO Reuse Extension. 22nd International Forum on COCOMO and Systems/Software Cost Modeling. November 2007. [pdf]

Valerdi, R., Wheaton, M., Fortune, J. Systems Engineering Cost Estimation for Space Systems. AIAA Space 2007. September 2007. Long Beach, CA. [pdf]

Fortune, J., Valerdi, R. Considerations for Successful Reuse in Systems Engineering. AIAA Space 2008. September 2008. San Diego, CA. [pdf]

Valerdi, R., Fortune, J., Wheaton, M. Estimating the Cost of Systems Engineering for Space Systems. INCOSE INSIGHT. Vol. 11, No. 5. 2008. [pdf]

Fortune, J., Valerdi, R. Estimation Methods for Systems Engineering Reuse. INCOSE-LA Mini Conference. February 2009. Los Angeles, CA. [pdf]

Fortune, J., Valerdi, R., Boehm, B., Settles, F. Estimating Systems Engineering Reuse. Conference on Systems Engineering Research. April 2009. Loughborough, UK. [pdf]

Fortune, J., Valerdi, R. Definition and Initial Validation of a Systems Engineering Reuse Model. AIAA Space 2009.September 2009. Pasadena, CA. [pdf]

Fortune, J. Estimating Systems Engineering Reuse with the Constructive Systems Engineering Cost Model (COSYSMO 2.0). Ph.D. Dissertation. University of Southern California. December 2009. [pdf]

Presentations

INCOSE CAB update
van Gaasbeek | January 24, 2004

Delphi Round 2 results

Valerdi | February 4, 2004

ISPA “Sizing via requirements”
Valerdi | March 5, 2004

COSYSMO Working Group Meeting Outbrief
Valerdi | March 16, 2004

Charts on model unification
Lane/Valerdi | October 26, 2004

COSYSMO Working Group Meeting Slides
Valerdi | October 28, 2004

COSYSMO Preliminary Results
Valerdi | February 4, 2005

COSYSMO Working Group Meeting
Valerdi | March 14, 2005

COSYSMO Risk-Confidence Estimator
Gaffney | March 14, 2005

Fortune, J., Valerdi, R., Wang, G. Systems Engineering Reuse: A Report on the State of the Practice. 23rd International Forum on COCOMO and Systems/Software Cost Modeling. October 2008. Los Angeles, CA. [pdf]

Fortune, J. COSYSMO 2.0 Reuse Workshop Out-Brief. Practical Systems and Software Measurement Conference. June 2009. Orlando, FL. [pdf]

Miscellaneous

COSYSMO Delphi Survey
This is the form that was distributed to industry experts who participated in the calibration of COSYSMO’s size and cost drivers.