{
DataModel::Viewpoints::Application_cooperation => "application_cooperation",
DataModel::Viewpoints::Application_usage => "application_usage",
DataModel::Viewpoints::Business_process_cooperation => "business_process_cooperation",
DataModel::Viewpoints::Product => "product",
DataModel::Viewpoints::Implementation_and_deployment => "implementation_deployment",
DataModel::Viewpoints::Information_structure => "information_structure",
DataModel::Viewpoints::Layered => "layered",
DataModel::Viewpoints::Organization => "organization",
DataModel::Viewpoints::Service_realization => "service_realization",
DataModel::Viewpoints::Stakeholder => "stakeholder",
DataModel::Viewpoints::Goal_realization => "goal_realization",
DataModel::Viewpoints::Requirements_realization => "requirements_realization",
DataModel::Viewpoints::Motivation => "motivation",
DataModel::Viewpoints::Project => "project",
DataModel::Viewpoints::Migration => "migration",
DataModel::Viewpoints::Implementation_and_migration => "implementation_migration",
DataModel::Viewpoints::Outcome_realization => "outcome_realization",
DataModel::Viewpoints::Physical => "physical",
DataModel::Viewpoints::Strategy => "strategy",
DataModel::Viewpoints::Technology => "technology",
DataModel::Viewpoints::Technology_usage => "technology_usage"
}.freeze