https://mwiki.costasano.club/index.php?action=history&feed=atom&title=ICT%3AData_Model_Entity_Definitions_-_v_3.2 2026-04-17T19:53:15Z Revision history for this page on the wiki MediaWiki 1.45.1 https://mwiki.costasano.club/index.php?title=ICT:Data_Model_Entity_Definitions_-_v_3.2&diff=129&oldid=prev 2026-01-23T15:46:36Z

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<p>Created page with &quot;= Data Model – Entity Definitions = This page defines the principal conceptual entities used in the project’s data model. Its purpose is to establish a shared and explicit understanding of what each entity represents before any technical implementation is undertaken. These definitions describe meaning and responsibility, not database structure or software mechanics. == Scope == These definitions guide: * conceptual ER modeling * DBML and Cargo schemas * Page...&quot;</p> <p><b>New page</b></p><div>= Data Model – Entity Definitions =<br /> <br /> This page defines the principal conceptual entities used in the project’s data model.<br /> <br /> Its purpose is to establish a shared and explicit understanding of what each entity represents before any technical implementation is undertaken.<br /> <br /> These definitions describe meaning and responsibility, not database structure or software mechanics.<br /> <br /> <br /> <br /> == Scope ==<br /> <br /> These definitions guide:<br /> <br /> * conceptual ER modeling<br /> * DBML and Cargo schemas<br /> * Page Schemas and forms<br /> * editorial workflows<br /> * interpretation of diagrams and documentation<br /> <br /> If an entity definition is unclear or disputed, implementation must be postponed.<br /> <br /> <br /> <br /> == Conceptual overview ==<br /> <br /> The model separates clearly between:<br /> <br /> * &#039;&#039;&#039;Storage&#039;&#039;&#039; → Files<br /> * &#039;&#039;&#039;Interpretation of files / sources&#039;&#039;&#039; → DigitalAssets<br /> * &#039;&#039;&#039;Subjects of research&#039;&#039;&#039; → HeritageObjects, Persons, Organizations<br /> * &#039;&#039;&#039;Narrative structure&#039;&#039;&#039; → ResearchChapters<br /> <br /> The fundamental conceptual flow is:<br /> <br /> File → DigitalAsset → Research Entity<br /> <br /> Files provide storage.<br /> DigitalAssets provide interpretation and source metadata.<br /> Research entities provide historical meaning.<br /> <br /> This separation prevents semantic confusion and keeps responsibilities explicit.<br /> <br /> <br /> <br /> = Core Research Entities =<br /> <br /> <br /> <br /> == HeritageObject (HO) ==<br /> <br /> === Definition ===<br /> <br /> A &#039;&#039;&#039;HeritageObject (HO)&#039;&#039;&#039; represents a historical, conceptual, or material entity that is the subject of study.<br /> <br /> It answers the question:<br /> <br /> &#039;&#039;“What is the thing we are studying?”&#039;&#039;<br /> <br /> === Examples ===<br /> <br /> A HeritageObject may represent:<br /> <br /> * a sanatorium<br /> * a building<br /> * a document or register<br /> * a historically meaningful place<br /> * a room, component, or architectural element<br /> * a conceptual or functional unit (e.g. “medical practice”)<br /> <br /> === What a HeritageObject is not ===<br /> <br /> A HeritageObject is:<br /> <br /> * not a digital file<br /> * not a person<br /> * not an organization<br /> * not a research chapter<br /> * not a technical database record<br /> <br /> === Structural behavior ===<br /> <br /> HeritageObjects are &#039;&#039;&#039;recursive&#039;&#039;&#039;.<br /> <br /> Each HeritageObject may:<br /> <br /> * have zero or one parent HeritageObject<br /> * have zero or more child HeritageObjects<br /> <br /> This supports conceptual decomposition and hierarchical structuring.<br /> <br /> === Relationships ===<br /> <br /> A HeritageObject may:<br /> <br /> * be documented by multiple DigitalAssets<br /> * designate one DigitalAsset as preferred representation<br /> * be linked to Persons with roles<br /> * be linked to Organizations with roles<br /> * have Persons or Organizations as holders<br /> * belong to multiple ResearchChapters<br /> * be tagged with Keywords<br /> <br /> === Purpose ===<br /> <br /> HeritageObjects are the primary conceptual anchors of the research.<br /> <br /> <br /> <br /> == Person ==<br /> <br /> === Definition ===<br /> <br /> A &#039;&#039;&#039;Person&#039;&#039;&#039; represents a historical individual with agency.<br /> <br /> It answers the question:<br /> <br /> &#039;&#039;“Who was involved historically?”&#039;&#039;<br /> <br /> === Examples ===<br /> <br /> * religious sisters<br /> * directors<br /> * architects<br /> * patients<br /> * shareholders<br /> * board members<br /> <br /> === What a Person is not ===<br /> <br /> A Person is:<br /> <br /> * not a MediaWiki user account<br /> * not a HeritageObject<br /> * not an organization<br /> <br /> === Relationships ===<br /> <br /> A Person may:<br /> <br /> * play roles in relation to HeritageObjects<br /> * play roles within Organizations<br /> * act as a holder of HeritageObjects<br /> * be documented by D*</div>

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