Language : ERD Notation: A formal Language to specify Data Models
Layer : WissDB - A possible (internal) Database Layer API
Layer : WissDB Data Layer Services
Locator_A : S_ Ensure_Association
Locator_A : S_ Forget_Association
Locator_B : S_ Ensure_Association
Locator_B : S_ Forget_Association
Locator_Restrictions : B_ Locator_Restrictions
Locators : V_ Locators
Locator : R_ Project Locator Presentation
Logical : WissDB: The Logical Data Model