This comprehensive review analyzes the state and potential of Healthcare Knowledge Graphs (HKGs) in transforming medical information into actionable insights.

• Construction methodologies for creating robust healthcare knowledge networks
• Utilization techniques that power decision support systems and research tools
• Diverse applications spanning clinical support, pharmaceutical R&D, and public health
• Integration pathways for combining biomedical knowledge with patient data

HKGs represent a critical advancement for healthcare by structuring complex medical information, enabling more accurate diagnoses, personalized treatments, and accelerated research discoveries.

A Review on Knowledge Graphs for Healthcare: Resources, Applications, and Promises