Dear all,
I have data of the following form (File name: test.nq):
<http://dbpedia.org/a> <http://dbpedia.org/b>
"200"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://dbpedia.org/id_1> .
<http://dbpedia.org/a> <http://dbpedia.org/b1>
"200"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://dbpedia.org/id_3> .
<http://dbpedia.org/a> <http://dbpedia.org/b2>
<http://dbpedia.org/data/Plasmodium_hegneri.xml>
<http://dbpedia.org/id_5> .
I loaded the data using:
~/jena-tdb-0.9.0-incubating/bin/tdbloader
--loc=/home/jenaTestDatabase/ -v /home/test.nq
And am querying it using:
./bin/tdbquery --time --loc=/home/jenaTestDatabase/ "./bin/tdbquery
--time --loc=/home/jenaTestDatabase/ "select ?a?c?c1 (log(?c1)+(2^?c)
as ?score) where{ graph ?j1{?a <http://dbpedia.org/b> ?c. ?a
<http://dbpedia.org/b> ?c1} }"
That is I want to take the logarithm to base 10 of bindings of ?c1 and
raise the bindings of ?c to power of 2. Is it possible to achieve the
same using Jena? Probably I am missing the syntax of SPARQL 1.1. Can
someone please help me with -- as to how can I write the above query?
--
With Warm Regards,
Rose
Researcher
