harschware’s gists

harschware / SesameClientDriver.java

Last active December 16, 2015 02:49

Code for connecting Sesame to a SPARQL endpoint

	package harschware.drivers;
	import org.openrdf.model.Statement;
	import org.openrdf.model.URI;
	import org.openrdf.model.ValueFactory;
	import org.openrdf.repository.RepositoryConnection;
	import org.openrdf.repository.RepositoryException;
	import org.openrdf.repository.RepositoryResult;
	import org.openrdf.repository.sparql.SPARQLRepository;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

harschware / DomPrinter.java

Created June 30, 2011 22:16

lets you print a W3C DOM Object

	package com.cray.utils;

	import java.io.StringWriter;

	import javax.xml.transform.Result;
	import javax.xml.transform.Transformer;
	import javax.xml.transform.TransformerConfigurationException;
	import javax.xml.transform.TransformerException;
	import javax.xml.transform.TransformerFactory;
	import javax.xml.transform.dom.DOMSource;

harschware / lebmFriends_Query1.txt

Created June 29, 2011 21:06

LEBM Friends Query 1

	PREFIX ub: <http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl#>
	PREFIX cray: <http://www.cray.com/ontologies/lebm#>
	SELECT *
	WHERE {
	?n0 cray:hasFriend ?n1 .
	?n1 cray:hasFriend ?n0 .
	?n0 ub:takesCourse ?n3 .
	?n1 ub:takesCourse ?n3 .
	}

harschware / TesteProp.java

Created April 13, 2011 02:56

Code is response to answers.semanticweb.com question at http://answers.semanticweb.com/questions/8497

	package testejena;

	import com.hp.hpl.jena.ontology.OntClass;
	import com.hp.hpl.jena.ontology.OntModel;
	import com.hp.hpl.jena.rdf.model.ModelFactory;
	import com.hp.hpl.jena.util.FileManager;
	import com.hp.hpl.jena.util.iterator.ExtendedIterator;
	import java.io.InputStream;
	import java.util.Iterator;

harschware / fileToString.c

Created April 7, 2011 16:27

shows code to read a file into a correctly sized string buffer using malloc

	// adapted from stackoverflow post: http://stackoverflow.com/questions/3233645/read-multiples-lines-from-file-to-a-string-in-c/3233744#3233744 by user http://stackoverflow.com/users/346905/faisal
	char * readFile( const char * fileName ) {
	// open the file
	FILE* fp = fopen( fileName, "r");

	if (fp == NULL) {
	fprintf(stderr,"ERROR: couldn't open file\n");
	exit(1);
	}

harschware / paris_worship.ru

Created April 1, 2011 17:57

Places of worship in Paris - Good example DBPedia Query

	##### Found this query in an email posted by @kidehen (since lost to me)
	##### query LOD cloud at http://lod.openlinksw.com/sparql/
	##### -or- via iSPARQL at http://lod.openlinksw.com/isparql/ <== can use Google maps to visualize
	### construct a custom Linked Data Mesh (graph) about:
	### places of worship, within 5 km of Paris, that have cafes in close proximity(0.2 km)
	### Note: we have distinct pin colors that identify for places of worship distinct from cafes

	PREFIX rtb: <http://www.openlinksw.com/schemas/oat/rdftabs#>
	CONSTRUCT { ?cafe geo:geometry ?cafegeo ;
	rtb:useMarker '01' ;

harschware / schema.ttl

Created March 8, 2011 16:25

TTL file that produces parse error when loaded into Jena 2.6.4

	# Saved by TopBraid on Tue Mar 08 08:20:27 PST 2011
	# baseURI: http://example.org/unnamed0

	@prefix : <http://example.org/unnamed0#> .
	@prefix owl: <http://www.w3.org/2002/07/owl#> .
	@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
	@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
	@prefix univ-bench: <http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl#> .
	@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

harschware / data.owl

Created February 19, 2011 00:46

Jena Rules from OwlMicro Reasoner + OWL ontology

	<?xml version="1.0"?>
	<rdf:RDF
	xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
	xmlns:univ-bench="http://www.lehigh.edu/~zhp2/2004/0401/univ-bench.owl#"
	xmlns:owl="http://www.w3.org/2002/07/owl#"
	xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
	xmlns="http://example.org/unnamed0#"
	xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
	xml:base="http://example.org/unnamed0">
	<Uncle rdf:ID="UncleSam">

harschware / Triplet.java

Created February 20, 2010 07:22

A Triplet container class

	package harsch.sandbox;

	import org.apache.commons.lang.builder.CompareToBuilder;
	import org.apache.commons.lang.builder.HashCodeBuilder;

	/**
	*
	* @author Tim Harsch
	*
	* @param <L>