Level 1 Evaluation Index | Level 2 Evaluation Index | Level 3 Evaluation Index | 5 points | 4 points | 3 points | 2 points | 1 point |
Quality | Integrity | Data type | Comprehensive | Relatively comprehensive | General | A lot of missing data | Single |
Information depth | Big depth | Relatively big depth | General depth | Relatively small depth | Small depth | ||
Number of data repeated | No repetition | A small number of repeated data | Partial repetition | A lot of repeated data | A large number of repeated data | ||
Spatiality | Spatial granularity | High granularity | Relatively high granularity | General granularity | Relatively granularity | Low granularity | |
Spatial orientation | Data positioning | ―― | Description positioning | ―― | No positioning | ||
Authority | Data provider | Main producer | Cooperative producer | Main regulator | Secondary regulator | Unrelated | |
Metadata | Full download | Full view | Incomplete download | Incomplete view | No metadata | ||
Openness | Security | Sensitive information | Insensitive information | Slightly sensitive information | Relatively sensitive information | Sensitive information | Very sensitive information |
Dangerous link | No interference | Risk-free interference | Low-risk interference | Low-risk virus | High-risk virus | ||
Timeliness | Release time | Within a month | Within a year | Within three years | From three years to five years | More than five years | |
Update time | Within a month | Within a year | Within three years | From three years to five years | Five years or none | ||
Update cycle | High rationality | Relatively high rationality | General rationality | Relatively poor rationality | Poor rationality | ||
Relevance | Linked to data | High relevance | Relatively high relevance | General relevance | Low relevance | No relevance | |
Pointed to by data | High relevance | Relevance | General relevance | Low relevance | No relevance | ||
Acquisition | Machine reading | Complete format | High readability | Relatively high readability | Relatively low readability | Low readability | Unreadable |
Format diversity | Rich format | Many formats | Relatively few formats | Few formats | Single format | ||
Convenience | User restrictions | No restriction | A small number of restrictions | General restrictions | May restrictions | A lot of restrictions | |
Interface design | Efficient guidance | General guidance | No guidance | A small amount of interference | A large amount of interference | ||
Interactivity | Comment system | Free and open | Restricted and open | Partially open | Not open | Cannot be commented | |
Scoring system | Multi-level high precision | Single-level high precision | Multi-level low precision | Single-level low precision | Cannot be scored | ||
Data application | Full upload | ―― | Partial upload | ―― | Cannot be uploaded |