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(Sponging disallowed)
Facets (new session)
Description
Metadata
Settings
Rule:
ActivityStreamsMap
asEquivalent
b3s
b3sifp
facets
http://www.w3.org/2002/07/owl#
ldp
offers ontology
oplweb
rel-me-auth
schema-olo
skos-trans
urn:det:rdf:label
urn:rdfs:subclass:subproperty:inference:rules
virtrdf-eturtle-containers
virtrdf-hashtag
virtrdf-ifp
virtrdf-label
virtrdf-meta-entity-class
virtrdf-url
None
Inverse Functional Properties:
Disabled (fastest)
Apply to subjects only
Apply to objects only
Apply to both subjects and objects
"Same As":
Disabled (fastest)
Apply to subjects only
Apply to objects only
Apply to both subjects and objects (recommended)
Apply to subjects, objects and predicates (not recommended on big datasets)
Apply to predicates only (special use cases only)
About:
isnull built-in function description
Goto
Sponge
NotDistinct
Permalink
An Entity of Type :
schema:WebPage
, within Data Space :
www.openlinksw.com
associated with source
document(s)
Type:
Item
WebPage
New Facet based on Instances of this Class
Attributes
Values
described by
proxy:entity/http/docs.openlinksw.com/virtuoso/functions.rdf
About Virtuoso BIF Functions
https://www.openlinksw.com/about/id/entity/urn/ontology:semantic:mapping
OpenLink SPARQL BIF Extensions Ontology
https://www.openlinksw.com/about/id/entity/https/www.openlinksw.com/DAV/virtuoso2.openlinksw.com/data/turtle/general/VirtuosoBIFFunctions.ttl
About Virtuoso BIF Functions
Description
returns true if its argument is NULLisnull returns one if its argument is NULL, zero otherwise.
Creator
virtuoso.docs@openlinksw.com
Date
2013-07-11T21:22:54Z
2015-02-05T21:17:51Z
Title
Function: isnull
label
isnull built-in function description
about
isnull
isnull
isnull
url
isnull built-in function description
type
Item
WebPage
content:encoded
returns true if its argument is NULLisnull returns one if its argument is NULL, zero otherwise.
rss:category
Type Mapping
is
topic
of
http://docs.openlinksw.com/virtuoso/functions.rdf
https://www.openlinksw.com/DAV/virtuoso2.openlinksw.com/data/turtle/general/VirtuosoBIFFunctions.ttl
urn:ontology:semantic:mapping
is
url
of
isnull built-in function description
is
rdf:_235
of
nodeID://b18523113
nodeID://b18523114
Faceted Search & Find service v1.17_git122 as of Jan 03 2023
Alternative Linked Data Documents:
iSPARQL
|
ODE
Content Formats:
RDF
ODATA
Microdata
About
OpenLink Virtuoso
version 08.03.3330 as of Apr 5 2024, on Linux (x86_64-generic-linux-glibc25), Single-Server Edition (30 GB total memory, 26 GB memory in use)
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