This HTML5 document contains 43 embedded RDF statements represented using HTML+Microdata notation.

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PrefixNamespace IRI
rdfshttp://www.w3.org/2000/01/rdf-schema#
n11http://en.wikipedia.org/wiki/Category:
skoshttp://www.w3.org/2004/02/skos/core#
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
owlhttp://www.w3.org/2002/07/owl#
clgohttp://caligraph.org/ontology/
n4http://en.wikipedia.org/wiki/
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
dbrhttp://dbpedia.org/resource/
n7http://en.wikipedia.org/wiki/Harbour_(programming_language)
clgrhttp://caligraph.org/resource/
Subject Item
clgr:Tony_Hoare
clgo:knownFor
clgr:Null_pointer
Subject Item
clgr:Null_pointer
rdf:type
owl:NamedIndividual clgo:Term_relating_to_algorithms_and_data_structures clgo:Data_type
rdfs:label
Null pointer
owl:sameAs
dbr:Null_pointer
prov:wasDerivedFrom
n4:C_string_handling n7: n4:Sentinel_value n4:List_of_terms_relating_to_algorithms_and_data_structures n4:Software_bug n4:XHarbour n4:Memory_safety n11:Data_types
skos:prefLabel
Null pointer
skos:altLabel
pointers of value NULL Null pointers Null_pointer#Null_dereferencing null Null pointer#Dereferencing nil null dereferences NULL Null pointer#History billion-dollar mistake NullPointerException Nulls null pointer Dereferencing null value Nil Null_pointer Null pointer dereferencing null reference Null reference pointer Null values Null ''null'' or ''void'' Null pointer#Null dereferencing 0 accidental dereferencing null pointer dereferencing