Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
nepomuk-core-devel
nepomuk-core-devel(x86-64)

Requires :

libnepomukcore.so.4()(64bit)
rpmlib(PayloadIsXz) <= 5.2-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
nepomuk-core-libs(x86-64) = 4.10.5-6.el7
kdelibs4-devel

Content of RPM :
/usr/include/kde4/Nepomuk2
/usr/include/kde4/Nepomuk2/CreateResourceJob
/usr/include/kde4/Nepomuk2/DataManagement
/usr/include/kde4/Nepomuk2/DescribeResourcesJob
/usr/include/kde4/Nepomuk2/File
/usr/include/kde4/Nepomuk2/Query
/usr/include/kde4/Nepomuk2/Query/AndTerm
/usr/include/kde4/Nepomuk2/Query/ComparisonTerm
/usr/include/kde4/Nepomuk2/Query/FileQuery
/usr/include/kde4/Nepomuk2/Query/GroupTerm
/usr/include/kde4/Nepomuk2/Query/LiteralTerm
/usr/include/kde4/Nepomuk2/Query/NegationTerm
/usr/include/kde4/Nepomuk2/Query/OptionalTerm
/usr/include/kde4/Nepomuk2/Query/OrTerm
/usr/include/kde4/Nepomuk2/Query/Query
/usr/include/kde4/Nepomuk2/Query/QueryParser
/usr/include/kde4/Nepomuk2/Query/QueryServiceClient
/usr/include/kde4/Nepomuk2/Query/ResourceTerm
/usr/include/kde4/Nepomuk2/Query/ResourceTypeTerm
/usr/include/kde4/Nepomuk2/Query/Result
/usr/include/kde4/Nepomuk2/Query/ResultIterator
/usr/include/kde4/Nepomuk2/Query/SimpleTerm
/usr/include/kde4/Nepomuk2/Query/StandardQuery
/usr/include/kde4/Nepomuk2/Query/Term
/usr/include/kde4/Nepomuk2/Resource
/usr/include/kde4/Nepomuk2/ResourceManager
/usr/include/kde4/Nepomuk2/ResourceWatcher
/usr/include/kde4/Nepomuk2/Service
/usr/include/kde4/Nepomuk2/SimpleResource
/usr/include/kde4/Nepomuk2/SimpleResourceGraph
There is 81 files more in these RPM.