Last modified: 2009-12-30 11:56:35 UTC

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Bug 15454 - Queries for parts of values of many-valued properties
Queries for parts of values of many-valued properties
Status: RESOLVED FIXED
Product: MediaWiki extensions
Classification: Unclassified
Semantic MediaWiki (Other open bugs)
unspecified
All All
: Normal enhancement (vote)
: ---
Assigned To: Markus Krötzsch
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2008-09-03 12:54 UTC by DaSch
Modified: 2009-12-30 11:56 UTC (History)
0 users

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description DaSch 2008-09-03 12:54:36 UTC 
When I have many Many-valued properties in one page, for example the development of the Population of a city (http://www.wecowi.de/view/Bochum) i can not select with an ask-query all the years when the population was above 400.000 or all values after a certain year
Comment 1 Markus Krötzsch 2008-09-04 10:30:11 UTC 
What you really want is a query that selects certain (parts of) property values, instead of selecting wiki pages like all current SMW queries. Some design work would be required to figure out how this should work internally, but also how it should be used in the wiki. I changed the title of this issue accordingly.
Comment 2 Markus Krötzsch 2009-12-30 11:56:35 UTC 
It is no possible to obtain single values from many-valued properties. Example:

{{#ask: ...
| ?mynary  |+index=2
}}

will print only the second value of the value of "mynary" if given. For details on this and related parameters, see the email at http://www.mail-archive.com/semediawiki-devel@lists.sourceforge.net/msg01785.html.
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