Research Article

[Retracted] An Educational Web-Based Expert System for Novice Highway Technology in Flexible Pavement Maintenance

Table 4

Examples of facts contained in the working memory.

ModuleMeasurementParametersOption subparameters

Flexible pavement
distress
Single distressSeverityLow
Medium
High
DensityRare
Intermittent
Frequent
Extensive
Combined distressRoad functional classMinor
Major
Climate conditionTropical rainforest