Timeline

The timeline displays either everything time-bound or is a display format for a specific component, like Events. If there is only one timeline per page, there must be elaborate settings to configure what is shown on the timeline.

Timelines

Basic timeline

A basic timeline is text-based. It displays event items as well as auxiliary items based on dates only. An event based on an item can be accessed through a link. For topics that are only based on a date, an item can be created. The timeline can display the event as a point in time or a time span. It can be zoomed and scrolled horizontally in time. It displays events by row, earliest on top. The events can be scrolled vertically when there are more events than fit the frame. Events can also be filtered.

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Gallery timeline (timeline with a gallery of events)

A gallery can be joined with a basic timeline to provide a more visual display. Gallery in the events component is based on dates in addition to event items. Gallery topics link to the event's topic pages when the event is based on an event item. An item can be created for topics that are only based on a date. Events read from external data sources can be more wordy.

A basic gallery in any component becomes a timeline when the items are sorted by time. See also Gallery

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  Events timeline

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  Settings

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  Textual gallery timeline

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  Items (works) timeline

Family timeline

See also Family tree

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  Compact family timeline

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  Family timeline with images

Correspondence timeline

To be developed. See also Correspondence as it develops.

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Controls

For a person

• Add event
  • Birth, death and other basic events
  • Other significant event
• Settings
  • Show
    • Own events
    • Events of other people (configure)
    • News events
    • Works
• Search (filter)

Editing events

BiographySampo extracts sentences about events in the Finnish National Biographies. They contain structured information about the related actors and the date. These sentences can be read via SPARQL and arranged on a timeline. The following is a scenario of a crowdsourcing interface to turn those sentences into structured data.

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Possible code, examples

• https://github.com/cdrini/wikidata-timeline

Query

Start time

SELECT ?item ?itemLabel WHERE {
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  ?item wdt:P1647* wd:P580.
}

End time

SELECT ?item ?itemLabel WHERE {
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  ?item wdt:P1647* wd:P582.
}

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