decade
Let an agent handle decades by definition, boundaries, naming and designated international decades.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Definition Which decade.
Boundaries
Start and end.
Boundaries
Boundaries.
- Which years does the decade cover under the convention used? definition
- Is it calendar or ordinal? boundary
Naming
Names.
Naming
Naming.
- How is the decade named in this language or region? definition
- Is an informal name used? definition
History Decades as periods.
Characterisation
Themes.
Characterisation
Characterisation.
- How do historians characterise the decade? provenance
- Are such labels oversimplified? boundary
Events
Key events.
Events
Key events.
- Which events are commonly associated with it? provenance
- From which sources? provenance
International UN decades.
Designation
Themes.
Designation
UN decades.
- Which international decade is in effect for this theme? provenance
- What are its goals? provenance
Progress
Outcomes.
Progress
Progress.
- What progress has been reported? provenance
- By which body? provenance
Data Statistics.
Comparison
By decade.
Comparison
Decadal comparison.
- How do values compare across decades? measurement
- Did definitions change? boundary
Averages
Climate normals.
Averages
Averages.
- Are decadal averages or 30-year normals used? definition
- Why? definition
Classifiers Filled
- Family
- Thing Registry
- Category
- Cross-cutting context
- Entry kind
- thing
- Plane
- XCT
- Domain
- XCT.TME
- Other names and narrower kinds
- international decade, themed decade, aughts/noughties
What it is Filled
A period of ten years, either any ten-year span or a calendar decade such as the 1990s; international decades are also designated by the UN for themes.
Why it exists Filled
Let an agent handle decades by definition, boundaries, naming and designated international decades.
Distinguishing features Filled
- Ten-year period
- Calendar decades start with 0 by common convention
- Ordinal decades start with 1
- Used in themed international decades
What robots and AI may and may not do Filled
Must not
- Mix calendar decades and arbitrary ten-year spans without saying which is meant.
- Reduce a decade's history to stereotypes that misrepresent the people who lived it.
Only with a human decision
- Choosing the period for an official statistic or report that others rely on.
May
- State which years a decade covers and which convention is being used.
- Describe the themes of designated international decades from the designating body.
Moral aspects Filled
- Summaries of a decade shape collective memory and can erase minorities and hardships.
- Period boundaries change what trends appear in data.
Who is affected
- Readers and students
- People whose history is summarised
Owners Filled
Steward
Nobody owns the concept; international bodies designate themed decades.
Links to other meta-models Filled
parent
- Q135268506 - registry parent class
- Q186081 - registry parent class
related
- time interval and period - category
- century - larger period
- history and statistics - applications
contains
- year - units
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.decade
- Wikidata: Q39911 (https://www.wikidata.org/wiki/Q39911)
Direct properties not applicable Not applicable
- length: 10 years
Plane XCT: no invented physical properties.
Recognition optional Filled
- Names such as the 1980s
- Informal names such as the noughties
- UN international decades
- Not physical; a span of ten years.
Capabilities and actions required Filled
- define decade boundaries
- name decades correctly
- find UN international decades
- compare data by decade
Hazards and failure modes required Filled
- Boundary disputes such as 2010 vs 2011
- Informal names differing by region
Standards and interfaces required Filled
- UN General Assembly resolutions on international decades
Context of use required Filled
- Grouping time for history, statistics and planning.
- calendar decades
- ordinal decades
- rolling ten-year periods
- UN international decades
Sources Filled
- Wikidata item Q39911: decade - identity and sense of the item
- Wikipedia: Decade - general description of the item
Open questions
- Should named decades be separate entries?
- How should UN decades be linked?
- How should boundary conventions be recorded?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q39911/spec.json