Currency
How do I know when the data is updated in a dataset
Data alerts are available if you are logged in. They are contained under User Profile - Saved Subscriptions. When a subscribed dataset is updated by the data publisher, a notification is sent out the following day (6am) via email. Data available as a web service is ‘live’.
When was the data published
Why is there a difference between QSpatial and the Open Data Portal record published dates.
In QSpatial the date published is the date when the data was last revised and managed by the data publisher. In the Open Data portal the last updated date reflects the date the record was last refreshed from QSpatial. We are working on an enhancement in 2022 to make this consistent across both platforms.
Data accuracy
How do I find the accuracy of data
In the metadata you will find under Data Quality the Positional accuracy and Attribute accuracy statements. You can also determine accuracy by reviewing the History > lineage statement as it can contain information related to accuracy.
What is the accuracy of the Digital Cadastral Database (DCDB) data
The point of truth for property boundaries is the survey plan. The digital cadastral database (DCDB), which is the basis for the data you are seeing, is only a graphical representation of these boundaries. You can purchase a copy of a survey plan through the Titles Qld online title and image searches page.
The DCDB was originally captured by digitising the department’s cadastral maps. Positional accuracy of the DCDB was derived from the source map scale and the precision of the digitising. This positional accuracy initially varied throughout Queensland from +/-1 metre to +/-250 metres. This has been gradually improved so that the worst positional accuracy in Qld is currently +/-63 metres. More information is available via our page: Accuracy of the digital cadastral database.
Details about accuracies and other attributes can also be found in the Queensland Digital Cadastral Database data dictionary (QIF).