Table 3 Representation of implicit knowledge as new tuples in KG

From: MetalMind: A knowledge graph-driven human-centric knowledge system for metal additive manufacturing

Process Element

Implicit Knowledge

Knowledge Graph Representation

Wiper Cleaning

Requires 99% alcohol concentration for complete particle removal

WiperCleaning

∣--hasConcentration: 99%

∣--hasPurpose: ParticleRemoval

∣--requiresJustification: ResiduePrevention

Recoater Cleaning

Needs 99% concentration to maintain coating quality

RecoaterCleaning

∣--hasConcentration: 99%

∣--hasPurpose: QualityControl

∣--requiresJustification: UniformityMaintenance

General Surface Cleaning

70–80% concentration sufficient for basic maintenance

SurfaceCleaning

∣--hasConcentration: 70–80%

∣--hasPurpose: BasicMaintenance

∣--requiresJustification: CostEfficiency