Smart City Dispatch · Reference
Smart City Glossary & Technology Reference
Explore clear definitions of smart-city concepts, technologies, and standards, with practical context and related terms.
October 2026 edition
Standards and regulatory requirements should be verified against current official versions before compliance or procurement decisions.
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Subject categories
01Cities, Urban Systems, and Smart-City Fundamentals
02Major City Problems and Smart-City Use Cases
- Traffic congestion
- Mobility accessibility
- Housing affordability
- Infrastructure deficit
- Water loss / non-revenue water
- Urban flooding
- Urban heat island
- Air pollution
- Waste management
- Energy demand and decarbonization
- Public safety
- Digital divide
- Data silos
- Vendor lock-in
- Privacy and surveillance risk
- Cybersecurity risk
03Internet of Things, Sensors, and Field Systems
04Wireless Communication Technologies for Smart Cities
05Cellular Communications: 1G to 5G-Advanced and Beyond
06Wi-Fi Protocols and History
07Networking, Internet, and APIs
08Messaging, MQTT, and Publish/Subscribe Protocols
09Data Types, Formats, and Information Models
10Database Types and Data Platforms
11Cloud, Edge Computing, and Data Centers
12Machine Learning, AI, and Analytical Algorithms
- Artificial Intelligence (AI)
- Machine Learning (ML)
- Deep learning
- Supervised learning
- Unsupervised learning
- Reinforcement learning
- Classification
- Regression
- Time-series forecasting
- Anomaly detection
- Clustering
- Computer vision
- Natural Language Processing (NLP)
- Transformer
- Large Language Model (LLM)
- Generative AI
- RAG
- Embedding
- AI agent
- Optimization
- Simulation
- Digital twin
- Predictive analytics
- Prescriptive analytics
- Explainability
- False positive
- False negative
13GIS, BIM, Digital Twins, and Simulation
14Automated and Connected Vehicles: Terms and Standards
- ADAS
- Driving automation
- Dynamic Driving Task (DDT)
- Operational Design Domain (ODD)
- Automated Driving System (ADS)
- SAE Level 0
- SAE Level 1
- SAE Level 2
- SAE Level 3
- SAE Level 4
- SAE Level 5
- SAE J3016
- V2X
- V2V
- V2I
- DSRC / 802.11p
- C-V2X
- HD map
- SLAM
- Geofencing
- ISO 26262
- ASIL
- ISO 21448 / SOTIF
- ISO/SAE 21434
- UNECE UN Regulation No. 155
- UNECE UN Regulation No. 156
- OTA update
15Smart Factories, Operational Technology, and the Industrial Revolutions
- Smart factory
- Operational Technology (OT)
- Information Technology (IT)
- IT/OT convergence
- Cyber-Physical System (CPS)
- MES
- ERP
- OEE
- Predictive maintenance
- Prescriptive maintenance
- Industrial Revolution 1.0
- Industrial Revolution 2.0
- Industrial Revolution 3.0
- Industry 4.0 / Fourth Industrial Revolution
- Industry 5.0
- Society 5.0
- Digital thread
16Virtual Reality, Augmented Reality, and Spatial Computing
17Cybersecurity, Privacy, and Trust
- CIA triad
- Identity and Access Management (IAM)
- Multi-Factor Authentication (MFA)
- Role-Based Access Control (RBAC)
- Zero Trust
- Encryption at rest
- Encryption in transit
- PKI
- Secure boot
- Software Bill of Materials (SBOM)
- PII
- Data minimization
- Privacy by design
- Anonymization
- Pseudonymization
- Network segmentation
- Ransomware
- Incident response
18Governance, Interoperability, and Operating Concepts
- Interoperability
- Open standard
- Open API
- Open data
- Data governance
- Data steward
- Master data
- Master Data Management (MDM)
- Digital identity
- Service-level agreement (SLA)
- Service-level objective (SLO)
- High availability
- Redundancy
- Failover
- Observability
- Digital transformation
- Pilot purgatory
- Total cost of ownership (TCO)