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ima.jab
ima.jab

Reputation: 53

How to convert the name of a historical time period in to a year/date in SPARQL?

I am a beginner to SPARQL and I managed to implement a query that returns the historical time period (P2348) for when an item was created, examples of this are 'Bronze age', 'Mesolithic', 'Nguyen dynasty' etc. I also have other items that return a specific year for when they were created. I was wondering if there is any way to convert the historical periods into an approximate year instead of the name of a period. It obviously doesn't have to be accurate at all just a year in that time period.

Upvotes: 2

Views: 68

Answers (1)

Evgeny
Evgeny

Reputation: 3274

If you have an age you can query its start and end time. Here is an example:

select ?age ?age_name ?start_time ?end_time {
  ?age wdt:P31 wd:Q15401699.  # age is archeological age.
  ?age rdfs:label ?age_name. filter(lang(?age_name)='en').
  ?age wdt:P580 ?start_time.
  ?age wdt:P582 ?end_time.
}

Upvotes: 1

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