You don't need a property, just create an item for an experiment; and date this item.

2016-05-27 8:31 GMT+02:00 Biyanto Rebin <biyanto.rebin@wikimedia.or.id>:

Thank you Markus. I'll take a look.

I need a specific property about an exact time of when the data's been collected. I have one source that data was collected by 2014 and the research was published (into a government document) in 2015. So, it need two data quantifiers, first about the collecting itself, another one is about the publishing.

2016-05-27 12:50 GMT+07:00 Markus Kroetzsch <markus.kroetzsch@tu-dresden.de>:

On 27.05.2016 07:06, Biyanto Rebin wrote:

Hello all,

Do we have specific property about time of researching before it's
published?
I'm trying to find in here:
https://www.wikidata.org/wiki/Special:WhatLinksHere/Q18636219
and here:
https://www.wikidata.org/wiki/Wikidata:List_of_properties/all#Dates

But I couln't find it.

Not sure what you mean ("time of researching before it's published" seems to be a very vague notion).

For what it's worth, here is a complete list of all type-time properties that Wikidata has at the moment:

http://tools.wmflabs.org/sqid/#/browse?type=properties&datatypes=8:Time

You can use the filter controls on the right to widen the search (your query sounds as if you are looking for a property to measure the length of an interval of time, so maybe you want to look among the properties of type Quantity).

Markus


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