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10.10. Spatial Aggregate Functions defines these: `geof:aggBoundingBox, geof:aggBoundingCircle, geof:aggCentroid, geof:aggConcaveHull, geof:aggConvexHull, geof:aggUnion`. They produce a single `geom`…
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Allow for named arguments for a SPARQL function.
## Why?
Sometimes functions take a lot of argument, and sometimes they have optional arguments. One trick is that the argument list is variable l…
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Newer version of ARQ (Jena v3.7.0 onwards) support writing custom SPARQL functions in JavaScript:
https://jena.apache.org/documentation/query/javascript-functions.html
It would be handy to add s…
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See RDF-star editor's draft for upcoming addition to spec: https://w3c.github.io/rdf-star/cg-spec/editors_draft.html#builtin-functions
These are built-in "standardized" variants of several function…
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Hello -- just learning and may not know sytack -- but the example
```python
up:Disease_Annotation {
a [ up:Disease_Annotation ] ;
up:sequence [ up:Chain_Annotation up:Modified_Sequence ] ;
…
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Extract sample queries from [SPARQL 1.1 Query Language](https://www.w3.org/TR/sparql11-query/)
Additionally from [https://w3c.github.io/sparql-query/spec/](https://w3c.github.io/sparql-query/spec…
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```sparql
PREFIX xsd:
SELECT *
WHERE {
BIND(NOW() as ?Now)
BIND(DATATYPE(?Now) as ?Nowdt)
BIND(STR(NOW()) as ?strNow)
BIND(DATATYPE(?strNow) as ?strNowdt)
BIND("2021-02-01" as…
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If rdf:JSON is in RDF 1.2 will there be any SPARQL functions on its value space?
pfps updated
4 months ago
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There are 3 files `servicedescription_all_functions.ttl, servicedescription_conformanceclasses.ttl, servicedescription_extensions.ttl` that look like this:
```ttl
a
skos:ConceptScheme…
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This toolkit uses the rdflib library which contains the ability for SPARQL function extensions, for example my OWL TIME temporal functions [1].
Would the managers of this toolkit be interested in h…