https://sourceforge.net/p/recsparql/wiki/Repository/Recent changes to RepositoryenFri, 23 May 2014 12:06:03 -0000https://sourceforge.net/p/recsparql/wiki/Repository/<div class="markdown_content"><pre>--- v5 +++ v6 @@ -8,8 +8,9 @@ import org.openrdf.sail.memory.RecommenderMemoryStore; ... - + RepositoryConnection con = null; try { + //data directory parameter that specifies a data directory for persistent storage File dataDir = new File("./repository/tests/movies-incomplete"); SailRecommenderRepository myRepository = new SailRecommenderRepository( </pre> </div>Victor Anthony Arrascue AyalaFri, 23 May 2014 12:06:03 -0000https://sourceforge.net14721466b3bdec8d3da8e2aff2304e1a4efbc299https://sourceforge.net/p/recsparql/wiki/Repository/<div class="markdown_content"><pre>--- v4 +++ v5 @@ -3,13 +3,13 @@ http://openrdf.callimachus.net/sesame/2.7/docs/users.docbook?view#The_Repository_API -import org.openrdf.repository.Repository; -import org.openrdf.repository.sail.SailRecommenderRepository; -import org.openrdf.sail.memory.RecommenderMemoryStore; -... + import org.openrdf.repository.Repository; + import org.openrdf.repository.sail.SailRecommenderRepository; + import org.openrdf.sail.memory.RecommenderMemoryStore; + ... -try { + try { //data directory parameter that specifies a data directory for persistent storage File dataDir = new File("./repository/tests/movies-incomplete"); SailRecommenderRepository myRepository = new SailRecommenderRepository( </pre> </div>Victor Anthony Arrascue AyalaFri, 23 May 2014 11:45:21 -0000https://sourceforge.net393b3ddf9020ed20f15956717ee23ecdb45ed40ahttps://sourceforge.net/p/recsparql/wiki/Repository/<div class="markdown_content"><pre>--- v3 +++ v4 @@ -1,6 +1,7 @@ This pages describes how to create a recommender repository in RecSesame and to add some triples to it. For more information regarding the Repository API in Sesame: http://openrdf.callimachus.net/sesame/2.7/docs/users.docbook?view#The_Repository_API + import org.openrdf.repository.Repository; import org.openrdf.repository.sail.SailRecommenderRepository; @@ -13,7 +14,6 @@ File dataDir = new File("./repository/tests/movies-incomplete"); SailRecommenderRepository myRepository = new SailRecommenderRepository( new RecommenderMemoryStore(dataDir)); - myRepository.initialize(); //input file contains your triples. You could use the file "AliceBobMoviesExample.ttl" </pre> </div>Victor Anthony Arrascue AyalaFri, 23 May 2014 11:43:15 -0000https://sourceforge.net34b58102284149e65268d9a13b8afed5741683d3https://sourceforge.net/p/recsparql/wiki/Repository/<div class="markdown_content"><pre>--- v2 +++ v3 @@ -1,75 +1,36 @@ - try { - //Here I will load the data into Sesame by creating a repository - //File dataDir = new File("./repository/papermovies"); +This pages describes how to create a recommender repository in RecSesame and to add some triples to it. +For more information regarding the Repository API in Sesame: +http://openrdf.callimachus.net/sesame/2.7/docs/users.docbook?view#The_Repository_API + +import org.openrdf.repository.Repository; +import org.openrdf.repository.sail.SailRecommenderRepository; +import org.openrdf.sail.memory.RecommenderMemoryStore; +... + + +try { + //data directory parameter that specifies a data directory for persistent storage File dataDir = new File("./repository/tests/movies-incomplete"); SailRecommenderRepository myRepository = new SailRecommenderRepository( new RecommenderMemoryStore(dataDir)); + myRepository.initialize(); - myRepository.initialize(); - File file = new File("./data/test/testmovies2U4M-incomplete.ttl"); + //input file contains your triples. You could use the file "AliceBobMoviesExample.ttl" + //provided in the download section + File inputFile = new File("./[...]/AliceBobMoviesExample.ttl"); String baseURI = "http://example.org/movies"; - FileOutputStream userBasedRec = new FileOutputStream( "./results/resparql/papermovies/moviesRec.srx"); - start = System.currentTimeMillis(); con = myRepository.getConnection(); - end = System.currentTimeMillis(); - Long connectionTime = end - start; - // Triples are added to the repository. - start = System.currentTimeMillis(); con.add(file, baseURI, RDFFormat.TURTLE); - //NEW - //myRepository.preprocess(); - end = System.currentTimeMillis(); - Long loadingTime = end - start; - SPARQLResultsTSVWriter sparqlWriter = - new SPARQLResultsTSVWriter(userBasedRec); - - //QUERY 1 CF running in Foucault - String queryString = - "PREFIX resparql: \n" - + "PREFIX movies: \n" - + "RECOMMEND ?user ?movie ?user.REC ?movie.REC ?SIMscore ?RATING USING CB\n" - + "WHERE {\n" - + "?user movies:hasRated ?personalRating .\n" - + "?personalRating movies:ratedMovie ?movie .\n" - + "OPTIONAL {?personalRating movies:hasRating ?uRating}\n" - + "}\n" - + "BASED ON {\n" - + "?user rdf:type resparql:User." - + "?movie rdf:type resparql:Item. " - + "?uRating rdf:type resparql:UserRating . " - + "?movie movies:hasGenre ?genre. \n" - + "}"; - - - start = System.currentTimeMillis(); - TupleQuery tupleQuery = con.prepareTupleQuery(QueryLanguage.RESPARQL, - queryString); - end = System.currentTimeMillis(); - Long parsingTimeQ1 = end - start; - - start = System.currentTimeMillis(); - tupleQuery.evaluate(sparqlWriter); - end = System.currentTimeMillis(); - Long evaluationTimeQ1 = end - start; - - System.out.println("-----------------------------------------"); - System.out.println("Connection established with repository in " - + (connectionTime) + "ms (ca. " + (connectionTime) / 1000 - + " secs)."); - System.out.println("TRIPLES loaded into repository in " + (loadingTime) - + "ms (ca. " + (loadingTime) / 1000 + " secs)."); - System.out.println("QUERY 1 parsed and prepared in " + (parsingTimeQ1) - + "ms (ca. " + (parsingTimeQ1) / 1000 + " secs)."); - System.out.println("QUERY 1 evaluated in " + (evaluationTimeQ1) + "ms " - + "(ca. " + (evaluationTimeQ1) / 1000 + " secs).\n"); + //HERE YOU WRITE AND EVALUATE YOUR QUERIES + [...] } catch (RepositoryException e) { e.printStackTrace(); </pre> </div>Victor Anthony Arrascue AyalaFri, 23 May 2014 11:41:23 -0000https://sourceforge.netb9a8fb16e9087644fbbb739bf38177164cb9a676https://sourceforge.net/p/recsparql/wiki/Repository/<div class="markdown_content"><pre>--- v1 +++ v2 @@ -1 +1,82 @@ -Under construction + try { + //Here I will load the data into Sesame by creating a repository + //File dataDir = new File("./repository/papermovies"); + File dataDir = new File("./repository/tests/movies-incomplete"); + SailRecommenderRepository myRepository = new SailRecommenderRepository( + new RecommenderMemoryStore(dataDir)); + + + myRepository.initialize(); + File file = new File("./data/test/testmovies2U4M-incomplete.ttl"); + String baseURI = "http://example.org/movies"; + + + FileOutputStream userBasedRec = new FileOutputStream( + "./results/resparql/papermovies/moviesRec.srx"); + + start = System.currentTimeMillis(); + con = myRepository.getConnection(); + end = System.currentTimeMillis(); + + Long connectionTime = end - start; + + // Triples are added to the repository. + start = System.currentTimeMillis(); + con.add(file, baseURI, RDFFormat.TURTLE); + //NEW + //myRepository.preprocess(); + end = System.currentTimeMillis(); + Long loadingTime = end - start; + + SPARQLResultsTSVWriter sparqlWriter = + new SPARQLResultsTSVWriter(userBasedRec); + + //QUERY 1 CF running in Foucault + String queryString = + "PREFIX resparql: \n" + + "PREFIX movies: \n" + + "RECOMMEND ?user ?movie ?user.REC ?movie.REC ?SIMscore ?RATING USING CB\n" + + "WHERE {\n" + + "?user movies:hasRated ?personalRating .\n" + + "?personalRating movies:ratedMovie ?movie .\n" + + "OPTIONAL {?personalRating movies:hasRating ?uRating}\n" + + "}\n" + + "BASED ON {\n" + + "?user rdf:type resparql:User." + + "?movie rdf:type resparql:Item. " + + "?uRating rdf:type resparql:UserRating . " + + "?movie movies:hasGenre ?genre. \n" + + "}"; + + + start = System.currentTimeMillis(); + TupleQuery tupleQuery = con.prepareTupleQuery(QueryLanguage.RESPARQL, + queryString); + end = System.currentTimeMillis(); + Long parsingTimeQ1 = end - start; + + start = System.currentTimeMillis(); + tupleQuery.evaluate(sparqlWriter); + end = System.currentTimeMillis(); + Long evaluationTimeQ1 = end - start; + + System.out.println("-----------------------------------------"); + System.out.println("Connection established with repository in " + + (connectionTime) + "ms (ca. " + (connectionTime) / 1000 + + " secs)."); + System.out.println("TRIPLES loaded into repository in " + (loadingTime) + + "ms (ca. " + (loadingTime) / 1000 + " secs)."); + System.out.println("QUERY 1 parsed and prepared in " + (parsingTimeQ1) + + "ms (ca. " + (parsingTimeQ1) / 1000 + " secs)."); + System.out.println("QUERY 1 evaluated in " + (evaluationTimeQ1) + "ms " + + "(ca. " + (evaluationTimeQ1) / 1000 + " secs).\n"); + + } catch (RepositoryException e) { + e.printStackTrace(); + } catch (OpenRDFException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } finally { + con.close(); + } </pre> </div>Victor Anthony Arrascue AyalaFri, 25 Apr 2014 15:58:02 -0000https://sourceforge.netee8e453558773ba3596409da574508e161125fdahttps://sourceforge.net/p/recsparql/wiki/Repository/<div class="markdown_content"><p>Under construction</p></div>Victor Anthony Arrascue AyalaFri, 25 Apr 2014 15:48:16 -0000https://sourceforge.net47eda6bd9fdb9785c306b311ebe40ca2c6533ca0