On Monday, February 17, 2014 05:24:41 PM Nagore Salaberria wrote:
> Hello,
>
> The SPARQL query works fine if I apply without the input variables, but if
> you apply the filter variables gives me this error:
(1) Variables are prefixed with ?, so I think you want
> FILTER(?p >= ?a && ?p <= ?b )
(2) Put newlines in your queries so that you can print them out
and match up the line numbers reported by the parser with
the text of the line. It was a bit tedious working out where
"column 289" was.
> *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.
>
>
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