A Demonstration of Expert Systems Applications in Transportation Engineering: Transportation engineers and expert systems
Virginia Transportation Research Council, 1987 - Expert systems (Computer science) - 35 pages
Expert systems, a branch of artificial-intelligence studies, is introduced with a view to its relevance in transportation engineering. Knowledge engineering, the process of building expert systems or transferring knowledge from human experts to computers, is described. The general differences between expert systems and conventional computer programs are summarized. The architecture of the expert system is shown to separate knowledge of the problem domain (knowledge base) from general problem solving knowledge (inference engine). Different approaches to each of these tasks are described. Recent developments in computer software that support and simplify the development of expert systems are presented, and recent applications to three transportation engineering problems are described. Background information is given to recommend the development of a prototype expert system for traffic control in construction zones.
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acid antecedent APPLICATIONS IN TRANSPORTATION Ardeshir Faghri BDES breadth-first search building expert systems CHINA construction zones conventional programs decision Department of Transportation depth-first depth-first search Diagnosis differences between expert Division Administrator domain knowledge example expert system development EXPERT SYSTEMS APPLICATIONS expertise facts and rules Figure forward chaining has-part heuristics highway noise barrier human experts inference chains inference engine knowledge base knowledge engineering Knowledge Infers knowledge representation knowledge systems knowledge-engineering languages LISP modus ponens nodes nonmonotonic reasoning OPS5 pavement rehabilitation peak-period volume perform predicate calculus problem domain Problem-oriented languages problem-solving Procedure programming languages propositional calculus prototype expert system purpose oriented purpose Rule-based Representing knowledge Research Scientist Rule-based Frame-based Rule-based Rule-based semantic net Semantic nets skeletal system slot solve spill material Symbolics 3600 system-building aids systems and conventional Teknowledge tool traffic control transportation engineering triplets true truth table VAX-11 systems VDOT Virginia Department VTRC Washington Metro Xerox