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The following pages constitute the collected research notes for the original creation of STEMMA. I’ve tried to assemble these in a coherent fashion so that they might be used as a resource for similar work elsewhere.
The work is not claimed to be exhaustive but they originally occupied over 70 document pages and covered a huge range of topics related to family history data. They contain many links to other resources, and also make many independent points and observations that should be considered.
Note that the STEMMA specification, as written up here, is still a working research project and does not yet address every point raised in the research notes.
In addition to the subjects listed below, there is also an exploration of the many cultural variations around the world, including a short introduction to globalisation from a computer software perspective.
Attribution Relation to Citations
Data Control Data sensitivity Data protection Copyright and informal permissions and prohibitions
Dates Calendars Machine-readable date values Machine-readable calendar specifications Imprecision Granularity Double years
E&C Proof and GPS Conclusion sharing Reasoning Persona
Events Simple or protracted Relation to Persons and Places Inheritance of event properties Relational constraints between Events
Extensibility Partially controlled vocabularies for tag values Custom properties, including units Schema extensions
Persons Name structure Sorting, collation, case conversation Formal and informal presentation styles Alternative names and spelling Time dependency Personal Name Authorities
Physical data formats Data Model versus Serialisation Format
Places Distinguished from Location and Postal Address Place Hierarchies Alternative names and spelling Time dependency Place Authorities
Resources Attachments Transmission format
Sources & citations Simple and complex citation references Citation elements Author annotation Citation styles & modes Citation Templates
Structured narrative Mark-up (layout and semantic) Linking Attributes for emphasis Paragraphing General reference notes
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