Hello,
The SPARQL query works fine if I apply without the input variables, but if
you apply the filter variables gives me this error:
*Exception in thread "main" com.hp.hpl.jena.query.QueryParseException:
Encountered " "a" "a "" at line 1, column 289.*
*Was expecting one of:*
* <IRIref> ...*
* <PNAME_NS> ...*
* <PNAME_LN> ...*
* <VAR1> ...*
* <VAR2> ...*
* "exists" ...*
* "not" ...*
* "count" ...*
* "min" ...*
* "max" ...*
* "sum" ...*
* "avg" ...*
* "sample" ...*
* "group_concat" ...*
* "bound" ...*
* "coalesce" ...*
* "if" ...*
* "bnode" ...*
* "iri" ...*
* "uri" ...*
* "str" ...*
* "strlang" ...*
* "strdt" ...*
* "datatype" ...*
* "lang" ...*
* "langmatches" ...*
* "isURI" ...*
* "isIRI" ...*
* "isBlank" ...*
* "isLiteral" ...*
* "isNumeric" ...*
* "regex" ...*
* "sameTerm" ...*
* "RAND" ...*
* "ABS" ...*
* "CEIL" ...*
* "FLOOR" ...*
* "ROUND" ...*
* "CONCAT" ...*
* "SUBSTR" ...*
* "STRLEN" ...*
* "REPLACE" ...*
* "UCASE" ...*
* "LCASE" ...*
* "ENCODE_FOR_URI" ...*
* "CONTAINS" ...*
* "STRSTARTS" ...*
* "STRENDS" ...*
* "STRBEFORE" ...*
* "STRAFTER" ...*
* "YEAR" ...*
* "MONTH" ...*
* "DAY" ...*
* "HOURS" ...*
* "MINUTES" ...*
* "SECONDS" ...*
* "TIMEZONE" ...*
* "TZ" ...*
* "NOW" ...*
* "UUID" ...*
* "STRUUID" ...*
* "MD5" ...*
* "SHA1" ...*
* "SHA256" ...*
* "SHA384" ...*
* "SHA512" ...*
* "true" ...*
* "false" ...*
* <INTEGER> ...*
* <DECIMAL> ...*
* <DOUBLE> ...*
* <INTEGER_POSITIVE> ...*
* <DECIMAL_POSITIVE> ...*
* <DOUBLE_POSITIVE> ...*
* <INTEGER_NEGATIVE> ...*
* <DECIMAL_NEGATIVE> ...*
* <DOUBLE_NEGATIVE> ...*
* <STRING_LITERAL1> ...*
* <STRING_LITERAL2> ...*
* <STRING_LITERAL_LONG1> ...*
* <STRING_LITERAL_LONG2> ...*
* "(" ...*
* "!" ...*
* "+" ...*
* "-" ...*
* at
com.hp.hpl.jena.sparql.lang.ParserSPARQL11.perform(ParserSPARQL11.java:102)*
* at
com.hp.hpl.jena.sparql.lang.ParserSPARQL11.parse$(ParserSPARQL11.java:53)*
* at com.hp.hpl.jena.sparql.lang.SPARQLParser.parse(SPARQLParser.java:37)*
* at com.hp.hpl.jena.query.QueryFactory.parse(QueryFactory.java:139)*
* at com.hp.hpl.jena.query.QueryFactory.create(QueryFactory.java:79)*
* at com.hp.hpl.jena.query.QueryFactory.create(QueryFactory.java:52)*
* at com.hp.hpl.jena.query.QueryFactory.create(QueryFactory.java:40)*
* at tutorial.elipticas.sparqlTest2(elipticas.java:46)*
* at tutorial.elipticas.main(elipticas.java:20)*
this is my code:
*package tutorial;*
*import java.io.UnsupportedEncodingException;*
*import com.hp.hpl.jena.query.QueryExecution;*
*import com.hp.hpl.jena.query.QueryExecutionFactory;*
*import com.hp.hpl.jena.query.QueryFactory;*
*import com.hp.hpl.jena.query.QuerySolution;*
*import com.hp.hpl.jena.query.ResultSet;*
*import com.hp.hpl.jena.rdf.model.Literal;*
*import com.hp.hpl.jena.rdf.model.Model;*
*import com.hp.hpl.jena.util.FileManager;*
*public class elipticas {*
* public static void main(String args[])*
* {*
* try {*
* sparqlTest2(300,800);*
* } catch (UnsupportedEncodingException e) {*
* // TODO Auto-generated catch block*
* e.printStackTrace();*
* }*
* }*
*public static void sparqlTest2(int a, int b) throws
UnsupportedEncodingException *
* {*
*
FileManager.get().addLocatorClassLoader(elipticas.class.getClassLoader());*
* Model model = FileManager.get().loadModel("RDF/elipticas.rdf");*
* String querys = *
* " PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
<http://www.w3.org/1999/02/22-rdf-syntax-ns#>> " +*
* " PREFIX gr: <http://purl.org/goodrelations/v1#
<http://purl.org/goodrelations/v1#>> " +*
* " PREFIX xsd: <http://www.w3.org/2001/XMLSchema#
<http://www.w3.org/2001/XMLSchema#>> " +*
* " SELECT * WHERE {" +*
* " ?x a gr:Offering . " +*
* " ?x gr:name ?d . " +*
* " ?x gr:hasPriceSpecification ?ps ." +*
* " ?ps gr:hasCurrencyValue ?p . " +*
* " FILTER(?p >= a && ?p <= b ) . " +*
* "}";*
* com.hp.hpl.jena.query.Query query = QueryFactory.create(querys);*
* QueryExecution qexec = QueryExecutionFactory.create(query, model);*
* try {*
* ResultSet results = qexec.execSelect();*
* while ( results.hasNext() ) {*
* QuerySolution soln = results.nextSolution();*
* Literal name = soln.getLiteral("d");*
* System.out.println(name);*
* }*
* } finally {*
* qexec.close();*
* }*
*}*
*} *
Thank you,
Nagore.
--
Nagore Salaberria<[email protected]>
