• Immunity-, genetic- and neural network-based computing
  

Teaching

• Computer Architecture
• Advanced Computer Architecture
• VLSI System Design
  

Selected Publications

• J.J. Rooney, J. G. Delgado-Frias and D. H. Summerville, An Associative ternary cache for IP routing, IEE Proceedings Section E: Computers and Digital Techniques, vol. 151, no. 06, pp. 409-416, November 2004.
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• J. G. Delgado-Frias and G. B. Ratanpal, A VLSI Crossbar Switch with Wrapped Wave Front Arbitration, IEEE Transactions on Circuits and Systems, I: Fundamental Theory and Applications, vol. 50, no. 1, pp.135-141, January 2003.
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• J. Nyathi and J. G. Delgado-Frias, A Hybrid Wave-Pipelined Network Router, IEEE Transactions on Circuits and Systems, I: Fundamental Theory and Applications, vol.49, no. 12, pp.1764-1772, December 2003.
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• S. Vassiliadis, M. Zhang, and J. G. Delgado-Frias, Elementary Function Generators for Neural Network Emulators, IEEE Transactions on Neural Networks, vol. 11, no. 6, pp. 1438-1449, November 2000.
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• J. G. Delgado-Frias and J. Nyathi, A High-Performance Encoder with Priority Lookahead, IEEE Transactions on Circuits and Systems, I: Fundamental Theory and Applications, vol. 47, no. 9, pp. 1390-1393, September 2000.
• V. C. Aikens, II, J. G. Delgado-Frias, G. G. Pechanek, and S. Vassiliadis, A Neuro-Emulator with Embedded Capabilities for Generalized Learning, Journal of Systems Architecture, vol. 45, no.11, pp.1119-1143, July 1999.
• A. DeLuca, J. G. Delgado-Frias, and J. Hernandez, A Survey on Routers for Parallel Architectures, Int. Journal on Instrumentation and Development, vol. 8, no. 1, pp. 3-11, 1999.
• * J. G. Delgado-Frias, J. Nyathi, and D. H. Summerville, A Programmable Dynamic Interconnection Network Router with Hidden Refresh, IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, vol. 45, no.11, pp.1182-1190, November 1998.
• D. H. Summerville, J. G. Delgado-Frias, and S. Vassiliadis, Executing Tree Routing Algorithms on a High-Performance Pattern Associative Router, Journal of Systems Architecture, vol. 44, no. 11, pp. 849-865, August 1998.
• C-Y. Lu, J. G. Delgado-Frias, and W. Lin, A Clustering and Genetic Scheme for Large TSP Optimization Problems, Cybernetics and Systems: An International Journal, vol. 19, no. 2, pp. 137-157, March 1998.
• A. E. Harvin, III and J. G. Delgado-Frias, A VLSI Highly Pipelined Computing/ Communicating Tree Structure, Journal of Microelectronic Systems Integration, vol. 4, no. 4, pp. 237-248, December 1996.
• M. Zhang, S. Vassiliadis, and J. G. Delgado-Frias, Sigmoid Generator for Neural Computing Using Piece Wise Approximations, IEEE Transactions on Computers, vol. 45, no. 9, pp. 1045-1049, September 1996.
• G. Triantafyllos, S. Vassiliadis and J. G. Delgado-Frias, Software Metrics and Microcode Development: A Case Study, Journal of Software Maintenance: Research and Practice, vol. 8, pp. 199-224, 1996.
• D. H. Summerville, J. G. Delgado-Frias, and S. Vassiliadis, A Flexible Bit-Associative Router for Interconnection Networks, IEEE Transactions on Parallel and Distributed Systems, vol. 7, no. 5, pp. 477-485, May 1996.
• W. Lin, J. G. Delgado-Frias, D. C. Gause, and S. Vassiliadis, A Hierarchical Genetic Algorithm for the TSP, Journal of Mathematical Modelling and Scientific Computing, vol. 6, April 1996.
• H. D. Johnson, J. G. Delgado-Frias, S. Vassiliadis, and D. M. Green, A Flexible Modeling Approach for Assessing Multiprocessor Computers, Int. Journal of Modelling and Simulation, 1996.
• J. Park, S. Vassiliadis, and J. G. Delgado-Frias, Flexible Oblivious Router Architecture,IBM Journal of Research and Development, vol. 39, no. 3, pp. 315-334, May 1995.
• W. Lin, J. G. Delgado-Frias, D. C. Gause, and S. Vassiliadis, A Hybrid Newton-Raphson Genetic Algorithm for the Traveling Salesman Problem, Cybernetics and Systems: An International Journal, vol. 26, no. 4, pp. 387-412, 1995.
• W. Chu, S. Vassiliadis, and J. G. Delgado-Frias, The Multi-Associative Target Buffer: A Cost Effective BTB Mechanism, Microprocessing and Microprogramming Journal, vol. 41, no. 3, pp. 211-225, 1995.
• J. G. Delgado-Frias, S. Vassiliadis, H. D. Johnson, D. H. Summerville, D. M. Green, and A. De Luca,A Processing Unit for Parallel Computer Organizations, Int. Journal on Instrumentation and Development, vol. 3, no. 4, pp. 20-32, 1994.
• J. G. Delgado-Frias, S. Vassiliadis, C-L. Chu, and A. De Luca, DT: A Binary Tree Parallel Computer with Distributed I/Os, Int. Journal on Instrumentation and Development, vol. 3, no. 4, pp. 33-42, 1994.
• M. Zhang, J. G. Delgado-Frias, and S. Vassiliadis, Table Driven Newton Scheme for High Precision Logarithm Generation, IEE Proceedings Section E: Computers and Digital Techniques, vol. 141, no. 5, pp. 281-292, September 1994.
• J. G. Delgado-Frias and D. M. Green, A Finite Difference Wafer-Scale Machine with Time-Redundant Fault Tolerance, Journal of Microelectronic Systems Integration, vol. 2, no.1, pp. 3-12, March 1994.
• G. G. Pechanek, S. Vassiliadis, and J. G. Delgado-Frias, Folded Axon/Dendrite Tree Neurons: A New Model for the Neural Paradigm, Valgo, La revue de l'Association des Connexionnistes, no. 94-1, pp. 45-55, June 1994.
• C. Chang, S. Vassiliadis, and J. G. Delgado-Frias, An Investigation of Binary CLA and Ripple CMOS Adder Designs, Microprocessing and Microprogramming Journal, vol. 40, pp. 1-21, 1994.
• S. Vassiliadis, G. Pechanek, and J. G. Delgado-Frias, SPIN: The Sequential Pipelined Neuro-emulator, International Journal on Artificial Intelligence Tools, vol. 2, no. 1, pp. 117-132, 1993.
• G. G. Pechanek, S. Vassiliadis, and J. G. Delgado-Frias, Many-SNAP, IBM Technical Disclosure Bulletin, vol. 34, No. 10A, pp. 100-106, March 1992.
• G. G. Pechanek, S. Vassiliadis, and J. G. Delgado-Frias, Shared Output SNAP, IBM Technical Disclosure Bulletin, vol. 34, No. 10A, pp. 107-110, March 1992.
• G. G. Pechanek, S. Vassiliadis, and J. G. Delgado-Frias, Digital Neural Emulators Using Tree Accumulation and Communication Structures, IEEE Transactions on Neural Networks, vol. 3, no. 6, pp. 934-950, November, 1992.
• J. G. Delgado-Frias, S. Vassiliadis, and J. Goshtasbi, Semantic Network Architectures: An Evaluation, International Journal on Artificial Intelligence Tools, vol. 1, no. 1, pp. 57-83, 1992 (invited paper).
• J. G. Delgado-Frias and W. R. Moore, A Semantic Network Architecture for Knowledge Base Processing, Int. Journal for Engineering Application of Artificial Intelligence, vol. 3, pp. 4-10, March 1990.
• J. G. Delgado-Frias and W. R. Moore, Parallel Computer Architectures for AI Semantic Network Processing, Int. Journal on Knowledge Based Systems, vol. 1, no. 5, pp. 259-265, December 1988.
  

Books and Book Sections

• J. G. Delgado-Frias and W. R. Moore (Eds.), VLSI for Neural Networks and Artificial Intelligence, New York: Plenum 1994.
• J. G. Delgado-Frias and W. R. Moore (Eds.), VLSI for Artificial Intelligence and Neural Networks, New York: Plenum 1991.
• J. G. Delgado-Frias and W. R. Moore (Eds.), VLSI for Artificial Intelligence, Boston, MA: Kluwer Academic, 1989.
• W. Lin, J. G. Delgado-Frias, and D. C. Gause, “Traveling Salesperson Problems,” in Encyclopedia of Electrical and Electronics Engineering, John G. Webster (Ed.), New York: John Wiley & Sons, Inc., vol. 22, pp. 546-560, 1999.
• J. G. Delgado-Frias, S. Vassiliadis, G. G. Pechanek, W. Lin, S. Barber, and H. Ding, “A VLSI Pipelined Neuroemulator,” in VLSI for Neural Networks and Artificial Intelligence, J. G. Delgado-Frias and W. R. Moore (Eds.), pp. 71-80, New York: Plenum, 1994.
• T. F. Ryan, J. G. Delgado-Frias, S. Vassiliadis, G. G. Pechanek, and D. M. Green, “A Dataflow Approach for Neural Networks,” in VLSI for Neural Networks and Artificial Intelligence, J. Delgado-Frias and W. Moore (Eds.), pp. 151-158, New York: Plenum, 1994.
• J. G. Delgado-Frias, S. Vassiliadis, J. Goshtasbi, and G. Triantafyllos, “Architectural Schemes for Semantic Networks,” in Artificial Intelligence Methods and Applications, N. G. Bourbakis (ed.), pp. 516-540, World Scientific, 1992.
• J. G. Delgado-Frias, “Computer Architectures for Artificial Intelligence and Neural Networks,” in Computer Engineering Handbook, (Chapter 10) C. H. Chen (Ed.), New York: McGraw-Hill, 1992.
• J. G. Delgado-Frias, A. Ahmed, and R. Payne, “A Dataflow Architecture for AI,” in VLSI for Artificial Intelligence and Neural Networks, J. G. Delgado-Frias and W. Moore (Eds.), pp. 23-32, New York: Plenum 1991.
• J. G. Delgado-Frias and W. R. Moore, “A Communication Scheme for Defect Tolerant Arrays,” in Defect and Fault Tolerance in VLSI Systems, C. H. Stapper and I. Koren (Eds.), New York: Plenum, 1990.
• J. G. Delgado-Frias and W. R. Moore, “A WSI Semantic Network Architecture,” in VLSI for Artificial Intelligence, J. G. Delgado-Frias and W. R. Moore (Eds.), pp. 144-155, Boston, MA: Kluwer Academic, 1989.
• J. G. Delgado-Frias, W. R. Moore and J. A. Trotter, “High Harvest Approaches for 2-D Arrays,” in Yield Modelling and Defect-Tolerance in VLSI, W. Moore, W. Maly and A. Strojwas (Eds.), pp. 191-202, Bristol, UK: Adam Hilger, 1988.