#0  0x00007f270eaf447c in librdf_hash_put (hash=<value optimized out>, 
    key=0x7f2705e38b60, value=0x7f2705e38b40) at rdf_hash.c:892
No locals.
#1  0x00007f270eaf0ab2 in librdf_new_uri (world=0x2022ae0, 
    uri_string=0x7f270e681ed8 "http://www.w3.org/1999/02/22-rdf-syntax-ns#")
    at rdf_uri.c:185
	new_uri = (librdf_uri *) 0x2026b90
	length = <value optimized out>
	key = {world = 0x7f2700000005, data = 0x7f270e681ed8, size = 43, 
  next = 0x1ff6bb0}
	value = {world = 0x39, data = 0x7f2705e38b88, size = 8, 
  next = 0x7f2717feb67a}
	old_value = <value optimized out>
#2  0x00007f270e65730e in raptor_namespaces_init (nstack=0x20279e0, 
    uri_handler=0x7f270ed27b80, uri_context=0x7f2705e38b40, error_handler=0, 
    error_data=0xfefefefefefefeff, defaults=-14519699)
    at raptor_namespace.c:133
	failures = <value optimized out>
#3  0x00007f270e65746a in raptor_new_namespaces (uri_handler=0x7f270ed27b80, 
    uri_context=0x2022ae0, 
    error_handler=0x7f270e8b72f0 <rasqal_query_simple_error>, 
    error_data=0x2027800, defaults=0) at raptor_namespace.c:191
	nstack = <value optimized out>
#4  0x00007f270e8b9e8c in rasqal_new_query (world=0x1ff4f90, 
    name=0x1ff71f0 "sparql", uri=<value optimized out>) at rasqal_query.c:103
	factory = (rasqal_query_engine_factory *) 0x1ff6bb0
	query = (rasqal_query *) 0x2027800
	uri_handler = (const raptor_uri_handler *) 0x7f270ed27b80
	uri_context = (void *) 0x2022ae0
#5  0x00007f270eb07b66 in librdf_query_rasqal_init (query=0x203dfa0, 
    name=<value optimized out>, uri=<value optimized out>, query_string=0x0, 
    base_uri=0xfefefefefefefeff) at rdf_query_rasqal.c:113
	context = (librdf_query_rasqal_context *) 0x20c4540
#6  0x00007f270eb05882 in librdf_new_query_from_factory (world=0x1fa59a0, 
    factory=0x1ff70e0, name=0x203df38 "sparql", uri=0x0, 
    query_string=0x203df68 "select distinct ?r where { ?r ?p ?o . }", 
    base_uri=0x0) at rdf_query.c:371
	query = <value optimized out>
	__func__ = "librdf_new_query_from_factory"
#7  0x00007f270ed36653 in Soprano::Redland::RedlandModel::executeQuery (
    this=0x1ff77a0, query=<value optimized out>, 
    language=Soprano::Query::QueryLanguageSparql, 
    userQueryLanguage=<value optimized out>)
    at ../../../backends/redland/redlandmodel.cpp:228
	q = <value optimized out>
	res = <value optimized out>
	result = <value optimized out>
#8  0x00007f2715e6ec6d in Soprano::FilterModel::executeQuery (this=0x20077f0, 
    query=@0x7f2705e39020, language=Soprano::Query::QueryLanguageSparql, 
    userQueryLanguage=@0x7f2705e39010) at ../../soprano/filtermodel.cpp:164
	it = {<Soprano::Iterator<Soprano::BindingSet>> = {<Soprano::Error::ErrorCache> = {_vptr.ErrorCache = 0x7f2705e38ea0, d = 0x1}, d = {
      d = 0x7f2705e39020}}, <No data fields>}
#9  0x00007f270f27d53b in Soprano::Index::IndexFilterModel::rebuildIndex (
    this=0x20077f0) at ../../index/indexfiltermodel.cpp:240
	it = {<Soprano::Iterator<Soprano::BindingSet>> = {<Soprano::Error::ErrorCache> = {_vptr.ErrorCache = 0x0, d = 0x0}, d = {d = 0x5}}, <No data fields>}
#10 0x00007f2717c0b392 in ?? () from /usr/lib/libQtCore.so.4
#11 0x00007f27145a53ba in start_thread () from /lib/libpthread.so.0
#12 0x00007f271518b0ad in clone () from /lib/libc.so.6
#13 0x0000000000000000 in ?? ()