An Ontology-Enabled Case-Based Reasoning Decision Support System for Manufacturing Process Selection

Table 3

SWRL rule for the defining sand casting process.

Antecedent

Consequence

EngProduct(?x) ^∧ hasMaterial(?x, ?y) ^∧ SandCastingMat(?y) ^∧ hasDepressSingleDirec(?x, ?DSValue) ^∧ swrlb: startsWith(?DSValue, “Y”) ^∧ hasDepressDoubleDirec(?x, ?DDValue) ^∧ swrlb:startsWith(?DDValue, “Y”) ^∧ hasUniWall (?x, ?UWValue) ^∧ swrlb:startsWith (?UWValue, “Y”) ^∧ hasUniSect(?x, ?USValue) ^∧ swrlb:startsWith(?USValue, “Y”) ^∧ hasAxisRot(?x, ?ARValue) ^∧ swrlb:startsWith(?ARValue, “Y”) ^∧ hasRegXSec(?x, ?RXSValue) ^∧ swrlb:startsWith(?RXSValue, “Y”) ^∧ hasCaptCav(?x, ?CCValue) ^∧ swrlb:startsWith(?CCValue, “Y”) ^∧ hasEnclosed(?x, ?EnValue) ^∧ swrlb:startsWith(?EnValue, “N”) ^∧ hasNoDraft(?x, ?NDValue) ^∧ swrlb:startsWith(?NDValue, “N”) ^∧ hasPartWeight(?x, ?PWvalue) ^∧ swrlb:greaterThan(?PWvalue, 0.0907) ^∧ swrlb:lessThan(?PWvalue, 450000) ^∧ hasUnit(?x, ?PWUnValue) ^∧ Unitkg(?PWUnValue) ^∧ hasMinWallThickness(?x, ?MWTValue) ^∧ swrlb:greaterThan(?MWTValue, 3.175) ^∧ hasMaxWallThickness(?x, ?MxWTValue) ^∧ swrlb:lessThan(?MxWTValue, 1016) ^∧ hasThicknessUnit(?x, ?ThUnValue) ^∧ UnitMm(?ThUnValue)^∧ hasTolerance(?x, ?TValue) ^∧ swrlb:greaterThan(?TValue, 0.381) ^∧ hasToleranceUnit(?x, ?TUnValue) ^∧ UnitMm(?TUnValue) ^∧ hasSurfaceFinish(?x, ?SFValue) ^∧ swrlb:greaterThan(?SFValue, 0.003175) ^∧ hasSurfaceFinishUnit(?x, ?SFUnValue) ^∧ UnitMm(?SFUnValue) ^∧ hasReqQuantity(?x, ?RQNumber) ^∧ swrlb:greaterThan(?RQNumber, 1) ^∧ swrlb:lessThan(?RQNumber, 1000)hasQuantityUnit(?x, ?QUnValue) ^∧ UnitPcs(?QUnValue)

SameAs(SandCasting, ?x)