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<?xml version="1.0" encoding="ISO-8859-1"?>
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<!-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
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<!-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
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<!-- See guidelines in list_view_configuration_guidelines.txt -->
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<!-- See guidelines in vitro/doc/list_view_configuration_guidelines.txt -->
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<list-view-config>
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<list-view-config>
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<query>
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<query>
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<!-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
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<!-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
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<!-- See guidelines in list_view_configuration_guidelines.txt -->
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<!-- See guidelines in vitro/doc/list_view_configuration_guidelines.txt -->
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<list-view-config>
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<list-view-config>
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<query>
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<query>
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<!-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
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<!-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
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<!-- See guidelines in list_view_configuration_guidelines.txt -->
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<!-- See guidelines in vitro/doc/list_view_configuration_guidelines.txt -->
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<list-view-config>
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<list-view-config>
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<query>
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<query>
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List view configuration guidelines
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* Required elements:
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- query: the sparql query used to retrieve the data
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- template: the name of the template used to display a single property statement
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* Optional elements:
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- postprocessor: a Java class that postprocesses the data retrieved from the query before
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sending it to the template
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* Query requirements:
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- Use a SELECT DISTINCT clause rather than a simple SELECT. There can still be cases where
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the same individual is retrieved more than once, if there are multiple solutions to the
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other assertions. DISTINCT provides a start at uniqueness.
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- The WHERE clause must contain a statement ?subject ?property ?object, with the variables
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?subject and ?property named as such. The object can be given any name, but it must be
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included in the SELECT terms retrieved by the query. This is the statement that will be edited
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from the edit links.
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- It is generally necessary to provide for a missing linked individual, due to incomplete data.
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Make sure the query does the following:
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- Enclose the clause for the linked individual in an OPTIONAL block.
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- Select the object's localname using the ARQ localname function, so that the template can
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display the local name in the absence of the linked individual. Alternatively, this can be
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retrieved in the template using the localname(uri) method.
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- Each assertion or set of optional assertions must reference a different graph variable, so that
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no requirement about which assertions are in the same graph is imposed (unless this is desired
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in a specific case).
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- For collated properties:
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- Include a ?subclass variable, named as such, in the SELECT claus. If the ?subclass variable
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is missing, the property will be displayed without collation.
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- ?subclass must be the first term in the ORDER BY clause
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- Include the following in the WHERE clause, substituting in the relevant variables for
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?infoResource and core:InformationResource:
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OPTIONAL { GRAPH ?g4 { ?subclass rdfs:subClassOf core:InformationResource }
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GRAPH ?g5 { ?infoResource a ?subclass }
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FILTER (?g5 != <http://vitro.mannlib.cornell.edu/default/inferred-tbox> &&
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?g5 != <http://vitro.mannlib.cornell.edu/default/vitro-kb-inf> )
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}
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The filter blocks the retrieval of inferred type statements, so that, for example, we get
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subclass bibo:Book but not bibo:Document, assuming the latter is inferred. If both have been
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asserted, we will get both.
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