[#SES-665] Implement assignment feature in SPARQL

Issue Details [XML]

Key:	SES-665
Type:	Improvement
Status:	Open
Priority:	Major
Assignee:	Unassigned
Reporter:	Nick Giles
Votes:	5
Watchers:	1

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Implement assignment feature in SPARQL

Created: 23/Mar/09 06:50 PM Updated: 25/Jul/11 01:55 AM

Component/s:

SPARQL

Affects Version/s:

None

Fix Version/s:

None

Description

It would be exceptionally useful to be able to assign values to variables, either from other variables or the results of functions. This feature is under discussion for the next version of SPARQL (http://www.w3.org/2009/sparql/wiki/Feature:Assignment), and already exists in ARQ. This could be used to avoid some messy UNION / OPTIONAL blocks, or to return substrings as query results, or many other useful things.

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Comment by Peter Ansell [25/Jul/11 01:55 AM]

This should be in the process of being implemented as part of updating to the May Sparql 1.1 Working Draft under issue ~~SES-796~~