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