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[DL-Learner SVN] SF.net SVN: dl-learner:[1040] trunk/src/dl-learner/org/dllearner/kb/sparql
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From: <ku...@us...> - 2008-07-31 16:22:37
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Revision: 1040
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1040&view=rev
Author: kurzum
Date: 2008-07-31 16:22:32 +0000 (Thu, 31 Jul 2008)
Log Message:
-----------
comments, improvements, package.html
Modified Paths:
--------------
trunk/src/dl-learner/org/dllearner/kb/sparql/SPARQLTasks.java
Added Paths:
-----------
trunk/src/dl-learner/org/dllearner/kb/sparql/package.html
Modified: trunk/src/dl-learner/org/dllearner/kb/sparql/SPARQLTasks.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/sparql/SPARQLTasks.java 2008-07-31 16:19:27 UTC (rev 1039)
+++ trunk/src/dl-learner/org/dllearner/kb/sparql/SPARQLTasks.java 2008-07-31 16:22:32 UTC (rev 1040)
@@ -112,7 +112,7 @@
final SortedSet<String> tmpSet = new TreeSet<String>();
// collect super/subclasses for the depth
- for (; depth != 0; depth--) {
+ for (; (depth != 0) && (!toBeRetrieved.isEmpty()); depth--) {
// collect super/subclasses for each class in toBeRetrieved
// accumulate in tmpSet
for (String oneClass : toBeRetrieved) {
@@ -142,26 +142,22 @@
}
/**
- * gets a SortedSet of all subclasses.
+ * gets a SortedSet of all subclasses up to a certain depth
*
* @see conceptRewrite(String descriptionKBSyntax, SparqlEndpoint se, Cache
* c, boolean simple )
- * @param classURI
+ * @param classURI An URI string with no quotes
* @param maxDepth
* @return TreeSet of subclasses including classURI
*/
public SortedSet<String> getSubClasses(final String classURI,
final int maxDepth) {
- if (classURI.contains("\"")) {
- // TODO exception
- }
+// TODO check for quotes in uris
return getRecursiveSuperOrSubClasses(classURI, maxDepth, true);
}
/**
- * QUALITY: workaround for a sparql glitch {?a owl:subclassOf ?b} returns an
- * empty set on some endpoints. returns all direct subclasses of String
- * concept
+ * returns all direct subclasses of String concept
*
* @param concept
* An URI string with no quotes
@@ -192,13 +188,6 @@
*/
public SortedSet<String> retrieveDISTINCTSubjectsForRoleAndObject(
String role, String object, int sparqlResultLimit) {
- /*
- * String sparqlQueryString = "SELECT DISTINCT * WHERE { \n " +
- * "?subject " + "<" + role + "> " + "<" + object + "> \n" + "} " +
- * limit(sparqlResultLimit);
- *
- * return queryAsSet(sparqlQueryString, "subject");
- */
return queryPatternAsSet("?subject", "<" + role + ">", "<" + object
+ ">", "subject", sparqlResultLimit, true);
}
@@ -214,13 +203,6 @@
*/
public SortedSet<String> retrieveObjectsForSubjectAndRole(String subject,
String role, int sparqlResultLimit) {
- /*
- * String sparqlQueryString = "SELECT DISTINCT * WHERE { \n " + "<" +
- * subject + "> " + "<" + role + "> " + " ?object \n" + "} LIMIT " +
- * sparqlResultLimit;
- *
- * return queryAsSet(sparqlQueryString, "object");
- */
return queryPatternAsSet("<" + subject + ">", "<" + role + ">",
"?object", "object", sparqlResultLimit, true);
}
@@ -238,8 +220,6 @@
String skosConcept, int sparqlResultLimit) {
return queryPatternAsSet("?subject", "?predicate", "<" + skosConcept
+ ">", "subject", sparqlResultLimit, false);
- // return
- // retrieveDISTINCTSubjectsForRoleAndObject("http://www.w3.org/2004/02/skos/core#subject",
}
/**
@@ -485,6 +465,10 @@
}
+ public SparqlEndpoint getSparqlEndpoint() {
+ return sparqlEndpoint;
+ }
+
}
/*
Added: trunk/src/dl-learner/org/dllearner/kb/sparql/package.html
===================================================================
--- trunk/src/dl-learner/org/dllearner/kb/sparql/package.html (rev 0)
+++ trunk/src/dl-learner/org/dllearner/kb/sparql/package.html 2008-07-31 16:22:32 UTC (rev 1040)
@@ -0,0 +1,7 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<html>
+<head></head>
+<body bgcolor="white">
+<p>Runnable scripts, each for a different task or experiment.</p>
+</body>
+</html>
\ No newline at end of file
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