#0  0xb6085ae5 in librdf_world_open () from /usr/lib/librdf.so.0
#1  0xb608b352 in librdf_new_hash_datum () from /usr/lib/librdf.so.0
#2  0xb608b8c7 in librdf_hash_get_one () from /usr/lib/librdf.so.0
#3  0xb608636b in librdf_new_uri () from /usr/lib/librdf.so.0
#4  0xb609bd94 in ?? () from /usr/lib/librdf.so.0
#5  0xb5ff9e7a in raptor_namespaces_init () from /usr/lib/libraptor.so.1
#6  0xb5ffa004 in raptor_new_namespaces () from /usr/lib/libraptor.so.1
#7  0xb605457a in rasqal_new_query () from /usr/lib/librasqal.so.1
#8  0xb60a0db1 in ?? () from /usr/lib/librdf.so.0
#9  0xb609e471 in librdf_new_query_from_factory () from /usr/lib/librdf.so.0
#10 0xb609e718 in librdf_new_query () from /usr/lib/librdf.so.0
#11 0xb60cbe63 in Soprano::Redland::RedlandModel::executeQuery ()
   from /usr/lib/soprano/libsoprano_redlandbackend.so
#12 0xb6e5ce5d in Soprano::FilterModel::executeQuery ()
   from /usr/lib/libsoprano.so.4
#13 0xb61f8082 in Soprano::Index::IndexFilterModel::rebuildIndex ()
   from /usr/lib/libsopranoindex.so.1
#14 0xb6246ac0 in ?? () from /usr/lib/kde4/nepomukstorage.so
#15 0xb7ec874e in ?? () from /usr/lib/libQtCore.so.4
#16 0xb6a3c4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#17 0xb6c1131e in clone () from /lib/tls/i686/cmov/libc.so.6