| 3.1. 1 COSYSMO: A Constructive Systems Engineering Cost Model Coming of Age R Valerdi, BW Boehm, DJ Reifer INCOSE International Symposium 13 (1), 70-82, 2003 | 226 | 2003 |
| Achievements and challenges in cocomo-based software resource estimation BW Boehm, R Valerdi IEEE software 25 (5), 74-83, 2008 | 157 | 2008 |
| Enterprise transformation: Why are we interested, what is it, and what are the challenges? V Purchase, G Parry, R Valerdi, D Nightingale, J Mills Journal of Enterprise Transformation 1 (1), 14-33, 2011 | 142 | 2011 |
| The ROI of systems engineering: Some quantitative results for software‐intensive systems B Boehm, R Valerdi, E Honour Systems Engineering 11 (3), 221-234, 2008 | 133 | 2008 |
| COCOMO suite methodology and evolution B Boehm, R Valerdi, J Lane, AW Brown CrossTalk 18 (4), 20-25, 2005 | 116 | 2005 |
| An approach to technology risk management R Valerdi, RJ Kohl Engineering Systems Division Symposium 3, 29-31, 2004 | 105 | 2004 |
| Empirical research in systems engineering: challenges and opportunities of a new frontier R Valerdi, HL Davidz Systems Engineering 12 (2), 169-181, 2009 | 93 | 2009 |
| Guest EditorialIntegrated Healthcare Information Systems L Li, RL Ge, SM Zhou, R Valerdi IEEE Transactions on Information Technology in Biomedicine 16 (4), 515-517, 2012 | 84 | 2012 |
| A research agenda for systems of systems architecting R Valerdi, E Axelband, T Baehren, B Boehm, D Dorenbos, S Jackson, ... International Journal of System of Systems Engineering 1 (1-2), 171-188, 2008 | 76 | 2008 |
| Introduction: Advances in IoT research and applications P Wang, R Valerdi, S Zhou, L Li Information Systems Frontiers 17, 239-241, 2015 | 75 | 2015 |
| Systems engineering leading indicators for assessing program and technical effectiveness DH Rhodes, R Valerdi, GJ Roedler Systems Engineering 12 (1), 21-35, 2009 | 74 | 2009 |
| Advancing an ontology for systems engineering to allow consistent measurement EC Honour, R Valerdi | 72 | 2006 |
| The constructive systems engineering cost model (COSYSMO): Quantifying the costs of systems engineering effort in complex systems R Valerdi VDM Publishing, 2008 | 71 | 2008 |
| When systems thinking is not a natural act R Valerdi, WB Rouse 2010 IEEE international systems conference, 184-189, 2010 | 68 | 2010 |
| Strategic lean actions for sustainable competitive advantage CRA Hallam, R Valerdi, C Contreras International Journal of Quality & Reliability Management 35 (2), 481-509, 2018 | 56 | 2018 |
| Heuristics for systems engineering cost estimation R Valerdi IEEE Systems Journal 5 (1), 91-98, 2010 | 56 | 2010 |
| Boundary objects as a framework to understand the role of systems integrators A Fong, R Valerdi, J Srinivasan Systems Research Forum 2 (01), 11-18, 2007 | 55 | 2007 |
| Synthesizing SoS concepts for use in cost modeling JA Lane, R Valerdi Systems Engineering 10 (4), 297-308, 2007 | 54 | 2007 |
| Cost metrics for unmanned aerial vehicles R Valerdi Infotech@ Aerospace, 7102, 2005 | 54 | 2005 |
| Reuse in systems engineering G Wang, R Valerdi, J Fortune IEEE Systems Journal 4 (3), 376-384, 2010 | 49 | 2010 |
Barry BoehmProfessor of Computer Science, Industrial&Systems Engineering, & AstronauticsVerified email at usc.edu