Table 1: An example of using the evaluation-index systems of smart-city spatiotemporal information cloud platforms.
primary indices secondary indices weight score value
Information resource Historic and current basic geographic data 5% 90 4.5
Historic and current public thematic data 5% 90 4.5
Smart perception data 4% 70 2.8
Spatial planning data 3% 70 2.1
Timeliness 3% 90 2.7
Sequencing of data resource 2% 100 2
Sharing of data resource 3% 100 3
Management service Management analysis system 6% 90 5.4
Service resource reservoir 3% 85 2.55
Cloud service system 7% 100 7
Service engine 3% 100 3
Address name engine 2% 100 2
Business flow engine 2% 100 2
Knowledge engine 2% 100 2
Cloud environment Computation capacity 2% 80 1.6
Storage capacity 2% 80 1.6
Virtualization capacity 2% 90 1.8
Building mode 2% 80 1.6
Information security Data classification 1.50% 100 1.5
Platform version 1.50% 100 1.5
Security devices 0.50% 100 0.5
Security technology 1.50% 100 1.5
Security management system 1% 100 1
Mechanism ensurance Governmental policy-making 3% 100 3
Organizational management framework 1% 100 1
Financing mode 2% 80 1.6
Connection to top-down design 1% 80 0.8
Talents team 3% 100 3
Application effectiveness High rate of concurrent use/invocation 4% 80 3.2
Application convenience 3% 80 2.4
Application ubiquity 3% 80 2.4
Connection to application system 3% 90 2.7
Problem-solving effectiveness 2% 90 1.8
Operation mode 1% 90 0.9
Technical support 2% 90 1.8
Training and publicity 2% 100 2
Innovative feature Local feature 2% 80 1.6
Application depth 1% 80 0.8
Application wideness 1% 80 0.8
Adoption rate of independent innovation 1% 100 1
Application level of intelligent technology 1% 80 0.8
E 89.75