Digital systems and computers laboratory

Recent Publications


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T. Panayiotopoulos, G. Papakonstantinou and N. Sgouros, "An attribute grammar interpreter for inexact reasoning", Information and Software Technology, Vol.32, No.5, pp.347-356, 1990.

G. Papakonstantinou, A. Stafylopatis, S. Kollias and P. Tsanakas, "Knowledge processing and learning systems on multiTransputer architectures" , ESPRlT/Parallel Computing Action, Workshop I Southampton, 1990.

S. Kollias, A. Stafylopatis, G. Papakonstantinou and P. Tsanakas, "Knowledge processing and learning systems on multiTransputer architectures", ESPRlT/Parallel Computing Action, Workshop II, ISPRA, 1990.

G. Papakonstantinou, P. Tsanakas, A. Stafylopatis, S. Kollias, "The transputer implementation of a parallel attribute grammar evaluator" ESPRlT/Parallel Computing Action, Workshop III, Bonn, 1991.

G . Papakonstantinou , P . Tsanakas and K . Voliotis , " An FP-based methodology for the automatic VLSI implementation of a parsing algorithm" , International Conference on Concurrent Engineering and Electronic Design Automation, England, 1991.

E. Giakoumakis and G. Papakonstantinou, "The GIBS interface for ECG diagnosis" , Computers in Cardiology Conference, Italy, 1991 .

S. Kollias, A. Stafylopatis, and A. Tirakis, "Performance of Higher Order Neural Networks in Invariant Recognition" , Neural Networks: Advances and Applications, pp.79-108, North-Holland, 1991

P. Tsanakas, G. Papakonstantinou and S. Kaxiras, "A prolog-based design environment for the high-level synthesis of application-specific architectures" , EUROMICRO 91 , 1991.

E. Gelenbe, A. Stafylopatis and A. Likas, "Associative Memory Operation of the Random Network Model", Proc. International Conference on Artificial Neural Networks (lCANN 91), Vol.l, pp.307-312, Espoo, Finland , June I 99 1 , (North-Holland , 199 1 ).

K. Diakonikolaou, S. Kollias, D. Kontoravdis, and A.Stafylopatis, "lmplementation of Neural Network Learning Strategies on a Transputer- Based Parallel Architecture", Proc. IMACS/lFAC Symposium on Parallel and Distributed Computing in Engineering Systems, pp.365-370, Corfu, June 199 1 , (North-Holland , 1992).

P. Tsanakas, G. Papakonstantinou K. Pekmestzi and S. Kaxiras, "The automated synthesis of parallel dedicated architectures using prolog specifications , P.D.COM 91, Greece, 1991.

G. Dimitriou, P. Tsanakas and G. Papakonstantinou, "The multiTransputer implementation of a hierarchical edge detection algorithm", P.D.COM 91, Greece, 1991.

E. Giakoumakis and G. Papakonstantinou, "A consulting system for ECG diagnosis , EURISCON 91, Greece, 1991.

T. Panayiotopoulos and G. Papakonstantinou, "Predicate logic and inexact reasoning EURISCON 91, Greece, 1991.

D. Kontoravdis, S. Kollias, and A. Stafylopatis, "Parallel Implementation of Structured Feedforward Neural Networks for Image Recognition", International Journal of Neural Networks , Vol . 2 , No . 2/ 3/ 4 , pp . 9 1 -99, June-December 199 1 .

G. Papakonstantinou, T Panayiotopoulos, N. Georgoulis and I. Papakonstantinou, "A parallel full theorem prover with uncertainties", P.D.COM 91, Greece, 1991.

A. Stafylopatis, and E. Gelenbe, "Synchronization in Parallel Processing of Finite Sequences", IEE Proceedings-Part E: Computers and Digital Techniques, Vol. 138, No.5, pp.329-334, Sep. 1991.

A. Likas, and A. Stafylopatis, "An Investigation of the Analogy between the Random Network and the Hopfield Network" , Pror:. 6th International Symposium on Computer and Information Sciences, pp. Antalya, Turkey, Nov. 1991, (North-Holland, 1991).

G. Papakonstantinou, T. Panayiotopoulos and M. Sideri, "A truly declarative prolog-like language", EURISCON 91, Greece, 1991.

A. Likas, and A. Stafylopatis, "Multiscaling in Binary Hopfield-type Neural Networks: Application to the Set Partitioning Problem", Internationat Journal of Neural Networks, Vol.3, No.2, pp.55-65, June 1992.

D. Kontoravdis, A. Likas, and A. Stafylopatis, "Collision-Free Movement of an Autonomous Vehicle Using Reinforcement L,earning" , Proc. European Conference on Artificial Intelligence (ECAl 92), pp.666-670, Vienna, August 1992, (John Wiley and Sons, 1992).

T. Panayiotopoulos and G. Papakonstantinou, "An extension of the certainty factor model in first order predicate calculus", The Computer Journal Vo1.35, No.2, 1992.

G. Papakonstantinou, T. Panayiotopoulos and Dimitriou, "AGP: "A parallel processor for knowledge and software engineering", The Computer Journal, Vo1.35, No.2, 1992.

P. Tsanakas, G. Papakonstantinou and G. Efthivoulidis, "A distributed shared memory implementation for multi-transputer systems", Information and Software Technology, Vo1.34, No.8, 1992

P . Tsanakas , G . Papakonstantinou and N . Bilal is , " Systematic synthesis of parallel VLSI architectures from FP specifications and its application to scene matching", Microprocessing and Microprogramming, Vo1.35, pp.579- 576, 1992.

T. Theoharis, G. Papakonstantinou, P. Tsanakas, "The Design of PARDB: A Parallel Relational Database Management System", The Seventh International Symposium on Computer and Information Sciences, Antalya, Turkey , 1992.

G. Papakonstantinou, P. Tsanakas, C. Voliotis, "AGP: A parallel processor for knowledge and software engineering", The European Workshop on Parailel Computing/ PCA Closing Session, Barcelona, 1992.

P. Tsanakas, G. Papakonstantinou, G. Efthivoulidis, "A Distributed shared memory implementation for mu1tiTransputer systems", The European Workshop on Parallel Computing/ PCA Closing Session, Barcelona, 1992.

D. Kontoravdis, and A. Stafylopatis, "Reinforcement Learning Techniques" for Autonomous Vehicle Control , Neural Network World, Vol.2, No.3-4, pp . 329-346, June, 1992 .

A. Stafylopatis, and A. Likas, "Pictorial Information Retrieval Usin^? the Random Neural Network", IEEE Transactions on Software Engineering, Vol. 18, No.7, pp.590-600, July, 1992.

K. Pekmestzi, C. Voudouris and P. Kalivas, "How to Build an Expert CAD System Using an Object-Oriented Data Model " ,The Seventh International Symposium on Computer and Information Sciences, Antalya, Turkey, 1992.

D. Kontoravdis, A. Likas, and A. Stafylopatis, "Reinforcement Learning Algorithm for Networks of Units with Two Stochastic Levels" Proc.lnternational Conference on Artificial Neural Networks (lCANN 92), Brighton, UK, (North-Holland), Sep. 1992.

D. Kontoravdis, K. Diakonikolaou, S. Kollias and A. Stafylopatis, "A Specification-Based Parallel Implementation of IVeural Network L,earning Strategies", Proc. International Conference on Parallel Computing and Transputers Applications (PACTA '92), Barcelona, Spain, Sept. 1992.

G. Papakonstantinou and P. Tsanakas, "Distributed shared memory tools: principles and implementation", in: Software for Parallel Computation, J. Kowalik and L. Grandinetti (Eds), Springer-Verlang, 1993.

G. Papakonstantinou and T. Panayiotopoulos, "A full theorem prover under uncertainty", Journal of Intelligent and Robotic Systems, 7 139-149, 1993.

G. Papakonstantinou, P. Tsanakas, T. Theoharis, Parallel Relational DBMS (in Greek), in: Special Topics in Data Bases, The Greek Computer Society (EPY) , Athens 1993.

C . Nomikos , " NTUA/KESS : An Expert System Shel 1 for Uncertain and Inexact Reasoning , et al, 4th Hellenic Conference on Informatics, 1993.

K. Voliotis, G. Papakonstantinou, P. Tsanakas, ORCHID: A Platform for the Parallel Execution of Algorithms in Distributed Memory Architectures", 4th Heilenic Conference on Informatics, I993.

K. Pekmestzi and N. Thanasouras, "Pregenerated Count-Enable Counters", accepted for publication by the International Journal of Electronics and will be appeared in 1993.

K. Pekmestzi and C. Caraiscos, "The Merging Technique in the Implementation of Systolic Arithmetic Circuits", 4th Hellenic Conference on Informatics , 1993.

K. Pekmestzi and Tranoudis, "A Parallel Pipeline Adder with Carry lookahead-lmplementation of a Pipeline Multiplier on Programmable Gate Arrays", 4th Hellenic Conference on Informatics, 1993.

A Stafylopatis, "On the Performance of Parallel Computations of Triangular Structure", Computer Systems Science and Engineering, Vol8, No1, Jan. 1993.

A. Afrati, and A. Stafylopatis, "Performance Considerations on a Random Graph Model for Parallel Processing" , RAIRO Theoretical Informatics and Applications, Vol.27, No.4, 1993.

S. Kollias, and A. Stafylopatis, "Parallel Implementations of the Backpropagation Learning Algorithm Based on Network Topology" , Parallel Algorithms for Digital Image Processing, Computer Vision and Neural Networks, Chapter 8, John Wiley and Sons, 1993.

D. Kontoravdis, A. Likas, and A. Stafylopatis, "Embedding Knowledge into Stochastic Learning Automata for Fast Solution of Binary Constraint Satisfaction Problems" , Proc. European Symposium on Artificial Neural Networks (ESANN'93), Brussels, Belgium, April 1993.

A. Likas and A. Stafylopatis, "A Neural Network Technique for Associative Retrieval of Symbolic Pictures" , Proc. International Conference on IVeural Network Applications to Signal Processing (NNASP'93), Singapore, Aug. 1993.

G. Economakos, G. Papakonstantinou, P. Tsanakas, ALLS: A Tool for the Automatic Design of Digital Systems Using Artificial Intelligence Techniques" 4th Hellenic Conference on Informatics, 1993.

K. Pekmestzi and C. Caraiscos", A Low-Latency Bit-Parallel Systolic Multiplier , Electronics I.,etters, Vo1.29, No.4, February 1993

A. Stafylopatis, and E. Gelenbe, "Resequencing under Subset Associations", International Journal of Modelling and Simulation, to appear.


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