William Regli

William Regli is a Visiting Research Engineer at Carnegie Mellon University's Engineering Design Research Center. Formerly he was a Computer Scientist and NRC Postdoctoral Research Associate in the National Institute of Standards and Technology's Manufacturing Systems Integration Division. His research interests include integration of distributed engineering softare systems, Internet computing, applied artificial intelligence, geometric computation, and computer-integrated design and manufacturing.

Regli received a B.S. in Mathematics and Computer Science from Saint Joseph's University in Philadelphia in 1989 and the Ph.D. in Computer Science from the University of Maryland at College Park in 1995. He the recipient of the University of Maryland's Institute for Systems Research Outstanding Graduate Student Award (1994-1995), NIST Special Service Award (1995), General Electric Corporation Teaching Incentive Grant (1994-1995), among other awards. He is a member of ACM, ASME, AAAI, IEEE Computer Society, and Sigma Xi and has authored or co-authored more than 35 technical publications. Additional information avaiable at The University of Maryland at College Park's Department of Computer Science Web Server.

Current Projects:

Former Projects:

Selected Publications:

REFEREED JOURNAL ARTICLES

1. Integrating DFM with CAD Through Design Critiquing, with Satyandra K. Gupta and Dana S. Nau. Concurrent Engineering: Research and Applications, Volume 2, Number 2, 1994. Special issue on "AI in Concurrent Engineering." An earlier version is also available as CS-TR-3330, UMIACS-TR-94-96, ISR-TR94-11 and URL ftp://ftp.cs.umd.edu/pub/cim/papers/ISR_TR_94-11.ps.
2. Building MRSEV Models for CAM Applications, with Satyandra K. Gupta, Thomas R. Kramer, Dana S. Nau, and Guangming Zhang. Advances in Engineering Software, 1994, Volume 20, Number 2/3, pp. 121-139. Special issue on "Feature-Based Design and Manufacturing." An earlier version is also available as ISR TR93-84, UMIACS-94-97, CS-TR-3331and as URL ftp://ftp.cs.umd.edu/pub/cim/papers/ISR_TR_93-84.ps.
3. Extracting Alternative Machining Features: An Algorithmic Approach, with Satyandra K. Gupta, and Dana S. Nau. Research in Engineering Design. Volume 7, Number 3, pp. 173-192, 1995. An earlier version is also available as ISR TR94-55, UMIACS-TR-94-95, CS-TR-3329 and as URL ftp://ftp.cs.umd.edu/pub/cim/papers/ISR_TR_94-55.ps.
4. Towards Multi-Processor Feature Recognition, with Satyandra K. Gupta and Dana S. Nau. To appear in the Journal of Computer Aided Design, 1997. An earlier version is also available as CS-TR-3375, UMIACS-TR-94-126, ISR-TR-94-82 and as URL ftp://ftp.cs.umd.edu/pub/cim/papers/ISR_TR_FR-94-82.ps.
5. Internet-Enabled Computer-Aided Design. October 1996. Submitted for publication and currently under review.
6. Automated Manufacturability Analysis: A Survey, with Diganta Das, with Satyandra K. Gupta, and Dana S. Nau. Submitted for publication. An earlier verion is also available as NIST IR 5713, CS-TR-3404, UMIACS-TR-95-08, ISR-TR-95-14 and URL ftp://ftp.cs.umd.edu/pub/cim/papers/ISR_TR_95-14.ps.

BOOKS AND THESES

1. Recognition of Volumetric Features from CAD Models: Problem Formalization and Algorithms. M.S. scholarly paper. May 1994. Available as ISR TR 93-41.
2. Geometric Algorithms for the Recognition of Features from Solid Models. Ph.D. Thesis, The University of Maryland, College Park, MD. December 1995. Also available as CS-TR-3564, UMIACS-TR-95-115 and ISR TR 95-55 in Adobe PostScript Level 2 (.ps, 29M) or Adobe Portable Docutment Format (.pdf, 500K).

CHAPTERS IN BOOKS

1. A Methodology for Systematic Generation and Evaluation of Alternative Operation Plans, with Satyandra K. Gupta, Dana S. Nau, and Guangming Zhang. In Advances in Feature Based Manufacturing, Jami J. Shah, Martti Mantyla, Dana S. Nau, Editors. Elsevier/North Holland.
2. Boundary Representation Based Feature Identification, with Mark R. Henderson, Gopal Srinath, Roger Stage, Kim Walker. In Advances in Feature Based Manufacturing, Jami J. Shah, Martti Mantyla, Dana S. Nau, Editors. Elsevier/North Holland.
3. Prospects for Virtual Manufacturing, with Edward Lin, Ioannis Minis, Dana S. Nau. Submitted to Design Simulation and Virtual Manufacturing, Jian Dong and Shaw Feng, Editors. Gordon and Breach Publishers. Publication due in 1997.

EDITOR

1. Computer Science: A Working Partnership Joining Government, Industry, and Academia: A Conference Summary. Department of Computer Science and Institute for Advanced Computer Studies, The University of Maryland, College Park. March 30, 1994. Available as CS-TR-3251 and UMIACS-TR-94-41.
2. Computer Science in Manufacturing, a special issue of The Communications of the ACM. Association for Computing Machinery, Volume 39, Number 2, February 1996. Guest Editor, with Michael Wozny.
3. Network-Centric Computer-Aided Design, a special issue of the Journal of Computer-Aided Design. Elsevier Science Ltd. Expected publication mid-1997. Guest Editor, with Jai Menon.

REFEREED CONFERENCE AND WORKSHOP PAPERS

1. Building a General Approach to Feature Recognition of Material Removal Shape Element Volumes (MRSEVs), with Dana S. Nau. Second ACM/IEEE Symposium on Solid Modeling and Applications, May 19-21, 1993. Montreal, Canada. pp. 293-302.
2. Development of Machining Alternatives Based on MRSEVs, with Satyandra K. Gupta, Dana S. Nau, Thomas R. Kramer, and Guangming Zhang. ASME Computers in Engineering Conference, August 1993. pp. 47-57. Also available as URL ftp://ftp.cs.umd.edu/pub/cim/papers/CIE93.ps.
3. Feature Recognition for Manufacturability Analysis, with Satyandra K.\ Gupta and Dana S. Nau. ASME Computers in Engineering Conference, September 13-16, 1994. Minneapolis, MN. pp. 93-104. Also available as ISR-TR-94-10 and URL ftp://ftp.cs.umd.edu/pub/cim/papers/CIE94.ps.
4. Manufacturing Feature Instances: Which Ones to Recognize?, with Satyandra K. Gupta and Dana S. Nau. Third ACM/IEEE Symposium on Solid Modeling and Applications, May 16-19, 1995. Salt Lake City, Utah. pp. 141-152. Also available as NIST IR 5655, CS-TR-3376, UMIACS-TR-94-127, ISR-TR-94-81, and URL ftp://ftp.cs.umd.edu/pub/cim/papers/ISR_TR_94-81.ps.
5. AI Planning versus Manufacturing-Operation Planning: A Case Study, with Satyandra K. Gupta and Dana S. Nau. 14th International Joint Conference on Artificial Intelligence (IJCAI), August 19-26, 1995. Montreal, Canada. pp. 1670-1676. Also available as URL http://www.cs.umd.edu/~nau/mfg/ijcai95.ps.
6. Current Trends and Future Challenges in Automated Manufacturability Analysis, with Diganta Das, Satyandra K. Gupta, and Dana S. Nau. ASME Computers in Engineering Conference, September 18-21, 1995. Boston, MA. pp. 655-666. Also available as ISR-TR-95-16 and URL ftp://ftp.cs.umd.edu/pub/cim/papers/CIE95.ps.
7. Interactive Feature Recognition Using Multiprocessor Methods, with Satyandra K. Gupta and Dana S. Nau. ASME Design Technical Conferences, Design for Manufacturability Symposium, September 18-21, 1995. Boston, MA. pp. 927-938. Also available as CS-TR-3375, UMIACS-TR-94-126, ISR-TR-94-82, and URL ftp://ftp.cs.umd.edu/pub/cim/papers/ISR_TR_94-82.ps.
8. What are Feature Interactions?, with Michael Pratt. ASME Design Technical Conferences, Design for Manufacturability Symposium, August 18-22, 1996. Irvine, CA.

NON-REFEREED CONFERENCE, WORKSHOP, AND OTHER PAPERS

1. Generation and Evaluation of Machining Alternatives based on MRSEVs, with Dana S. Nau, Satyandra K. Gupta, Thomas R. Kramer, and Guangming Zhang, 1993 AAAI SIGMAN Workshop on Intelligent Manufacturing Technology, July 1993, American Association for Artificial Intelligence. Also available as URL ftp://ftp.cs.umd.edu/pub/cim/papers/AAAI93_SIGMAN.ps.
2. Recognition of Volumetric Features from CAD Models: A New Approach, with Dana S. Nau. National Science Foundation Design and Manufacturing Grantees Conference, Boston, MA, January, 1994, pp. 745-746.
3. Systematically Analyzing the Manufacturability of Machined Parts, with Satyandra K. Gupta and Dana S. Nau. National Science Foundation Design and Manufacturing Grantees Conference, January, 1995.
4. Manufacturing-Operation Planning versus AI Planning, with Satyandra K. Gupta and Dana S. Nau. AAAI Spring Symposium, March 1995, Stanford, CA. American Association for Artificial Intelligence. Also available as URL ftp://ftp.cs.umd.edu/pub/cim/papers/AAAI_Spring95.ps.
5. Automating Redesign of Electro-Mechanical Assemblies, with Dana Nau and James Hendler. 1995 IJCAI Workshop on Intelligent Manufacturing Systems, August 18, 1995. Montreal, Canada. pp. 289-309.
6. Enabling Technologies for Automated Redesign, with Dana Nau and James Hendler. First IFIP WG 5.2 Workshop on Knowledge Intensive CAD-1, T. Tomiyama, M. Mantyla, and S. Finger, Editors. International Federation for Information Processing (IFIP) Working Group 5.2. September 26-29, 1995. Espoo, Finland. pp. 455-463.
7. IMACS (Interactive Manufacturability Analysis and Critiquing System), with Satyandra K. Gupta, Dana S. Nau, and Guangming Zhang. National Science Foundation Design and Manufacturing Grantees Conference. Albuquerque, NM. January 2-6, 1996.
8. An Assessment of Virtual Manufacturing Technologies, with Edward Lin, Ioannis Minis, and Dana Nau. National Science Foundation Design and Manufacturing Grantees Conference. Albuquerque, NM. January 2-6, 1996.
9. Computer Science in Manufacturing: An Introduction, with Michael Wozny. The Communications of the ACM. Volume 39, Number 2, February 1996. pp 32-33. Special focus issue on Computer Science in Manufacturing.
10. A National Repository for Design and Process Planning, with Dan Gaines. National Science Foundation Design and Manufacturing Grantees Conference, Seattle, WA, January 6-9, 1997.

TECHNICAL REPORTS

1. A Survey of Automated Feature Recognition Techniques, Technical Report, The University of Maryland and Harvard University, Institute for Systems Research, SRC-TR92-18, January 1992.
2. Multi-media E-Mail for Starting the Development of a National Manufacturing Infrastructure, The National Institute of Standards and Technology, September 1992.
3. Contribution to Virtual Manufacturing Background Research, with Edward Lin, Ioannis Minis, and Dana Nau. May, 1995. Report for Air Force Manufacturing Technology (ManTech) Contract F33615-92-D-5812. Also available through http://www.isr.umd.edu/Labs/CIM/virtual.html.
4. Contribution to Virtual Manufacturing Background Research---Phase II, with Edward Lin, Ioannis Minis, and Dana Nau. January, 1996. Report for Air Force Manufacturing Technology (ManTech) Contract F33615-92-D-5812. Also available through http://www.isr.umd.edu/Labs/CIM/virtual.html.
5. An Overview of the NIST Design, Planning, and Assembly Repository, with Daniel Gaines. October 1996. Also available through http://www.parts.nist.gov/parts.