1.2 Changes between r2.1 and r3.0 There are a large number of small changes throughout the data dictionary – these are not listed at a detailed level, however if this is required please contact technicalcomments@allianceforparkingdatastandards.org. Structurally, the following changes have been introduced:
New tables have been introduced for each package in the first section of the data dictionary, indicating details of specializations where these are appropriate. References to entities (classes, attributes, etc) now include reference to the parent package. Definitions have been provided for all associations - many were previously empty. Where attributes are typed as References, the target class of the Reference is provided.
Copyright Alliance for Parking Data Standards: APDS Overview 4.0 Version release June 7, 2021
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