This HTML5 document contains 23 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
rdfshttp://www.w3.org/2000/01/rdf-schema#
n11http://en.wikipedia.org/wiki/Category:
skoshttp://www.w3.org/2004/02/skos/core#
n4http://en.wikipedia.org/wiki/Glossary_of_education_terms_(M%E2%80%93O)
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
owlhttp://www.w3.org/2002/07/owl#
clgohttp://caligraph.org/ontology/
n9http://en.wikipedia.org/wiki/
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
dbrhttp://dbpedia.org/resource/
clgrhttp://caligraph.org/resource/
Subject Item
clgr:Open_problem
rdf:type
clgo:Open_problem owl:NamedIndividual
rdfs:label
Open problem
owl:sameAs
dbr:Open_problem
prov:wasDerivedFrom
n4: n9:Open_question n11:Open_problems
skos:prefLabel
Open problem
skos:altLabel
open question Unknown unproven statement conjecture Undisclosed Institution unknown date an open problem open open problem unsolved problem mystery open questions gaps still open conjectured