Quality Measures

Our current set of quality measures consists of 6 dimensions with a total of 19 metrics.

Existence Dimension

[exda] Date

Does the meta data contain information about creation and modification date of metadata and resources respectively?

[exri] Rights

Does the meta data contain information about the license of the dataset or resource.?

[expr] Preservation

Does the meta data contain information about format, size or update frequency of the resources?

[exac] Access

Does the meta data contain access information for the resources?

[exdi] Discovery

Does the meta data contain information that can help to discover/search datasets?

[exte] Temporal

Does the meta data contain temporal information?

[exsp] Spatial

Does the meta data contain spatial information?

[exco] Contact

Does the meta data contain information to contact the data provider or publisher?

Conformance Dimension

[cocu] ContactURL

Are the available values of contact properties valid HTTP URLs?

[coda] DateFormat

Is date information specified in a valid date format?

[cofo] FileFormat

Is the specified file format or media type registered by IANA?

[coce] ContactEmail

Are the available values of contact properties valid emails?

[coli] License

Can the license be mapped to the list of licenses reviewed by opendefinition.org?

[coac] AccessURL

Are the available values of access properties valid HTTP URLs?

Open Data Dimension

[opfo] Format Openness

Is the file format based on an open standard?

[opma] Format machine readability

Can the file format be considered as machine readable?

[opli] License Openneness

s the used license conform to the open definition?