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ARTIFICIAL NEURAL NETWORKS FOR IMPLEMENTING DECISION SUPPORTING SYSTEMS

By ΓΕΩΡΓΙΟΣ-ΠΕΤΡΟΣ ΟΙΚΟΝΟΜΟΥ

Abstract

A NOVEL DECISION SUPPORT SYSTEM OF MOLECULAR STRUCTURE IS PROPOSED WHICH IS DEVELOPED ON A BASIS OF A COMPOSITION OF ARTIFICIAL NETWORK (AANS) AND IS APPLIED ON RESEARCH AREAS WHERE HUMAN EXPERIENCE IS EMLPOYED FOR THE PROMOTION OF DECISIONS. THE ARCHITECTURE OF THIS SYSTEM CAN BE ADAPTED ONTO THE STRUCTURES OF THE APPLICATION FIELD AND IS ARRANGED ACCORDING TO THE CLASSIFICATION OF THEINPUT DATA. THOSE DATA ARE PROVIDED FROM THE PARTICULAR EXPERT EXACTLY IN THE FROM HE/SHE OPERATES ON THEM. THE HIERARCHICAL STRUCTURE WITH THE SYSTEM PROCESSES THE INPUT DATA DEVISES FOR INTERMEDIATE DECISIONS, AND PROMOTES THE FINAL DECISION FROM THE GENERAL TO THE MORE SPECIFIC CLASSES ON WHICH THE AREAOF INTEREST CAN BE DIVIDED. THE SYSTEM'S OPERATION EVENTUALLY PROMPTS FOR NEW DATA TO BE FED. THESE NEW INPUTS ARE SUPPLIED TO THE SYSTEM IN SUCCEEDING PROCESSING LEVELS WHILE TIME AS A DISCRIMINATION FACTOR FOR SOME OF THE PREVIOUSLY INPUT DATA IS BEING TAKEN ACCOUNT OF. THE IMLEMENTED SYSTEM IS BEING INPUT DATA THAT HAVE NOT UNDERGONE PRE-PROCESSING OR SYMBOLIC RESTRUCTURING. THIS SYSTEM WAS ADAPTED AND THOROUGHLY TESTED ON THE FIELD OF MEDICINE WITH VERYGOOD RESULTS (92%-95% GENERALIZATION PERFORMANCE WHEN FED NEW INPUT DATA). BECAUSE OF THE INCOMPLETE INPUTS THAT CHARACTERIZE THIS AREA, A NEW REPRESENTATION OF THE LEARNING PATTERNS (USED FOR TEACHING ITS ANNS) WAS CREATED AND HEREBY DEMONSTRATED. (ABSTRACT TRUNCATED)

Topics: ARCHITECTURES AND HARDWARE DESIGN - FPGAS, Networks, Artificial neural, DECISION SUPPORTING SYSTEMS, HAEMATOLOGICAL DISEASES - SYMPTOMATOLOGY, HARDWARE DESCRIPTION LANGUAGE - VHDL, Medical decision, Supporting Systems, PULMONOLOGICAL DISEASES - SYMTOMATOLOGY, TRAINING OF ARTIFICIAL NEURAL NETWORKS, ΑΙΜΑΤΟΛΟΓΙΚΕΣ ΝΟΣΟΙ - ΣΥΜΠΤΩΜΑΤΟΛΟΓΙΑ, ΑΡΧΙΤΕΚΤΟΝΙΚΕΣ ΣΧΕΔΙΑΣΜΟΥ ΣΕ ΥΛΙΚΟ - FPGAS, ΓΛΩΣΣΑ ΠΕΡΙΓΡΑΦΗΣ ΥΛΙΚΟΥ - VHDL, ΕΚΠΑΙΔΕΥΣΗ ΤΕΧΝΗΤΩΝ ΝΕΥΡΩΝΙΚΩΝ ΔΙΚΤΥΩΝ, ΙΑΤΡΙΚΑ ΣΥΣΤΗΜΑΤΑ ΥΠΟΣΤΗΡΙΞΗΣ ΑΠΟΦΑΣΕΩΝ, ΠΝΕΥΜΟΝΙΚΕΣ ΝΟΣΟΙ - ΣΥΜΠΤΩΜΑΤΟΛΟΓΙΑ, Συστήματα υποστήριξης αποφάσεων, Δίκτυα, Τεχνητά νευρωνικά
Publisher: University of Patras
Year: 1996
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