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[DL-Learner SVN] SF.net SVN: dl-learner:[3689] trunk/components-core/src/main/java/org/ dllearner
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From: <lor...@us...> - 2012-05-03 21:20:30
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Revision: 3689
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=3689&view=rev
Author: lorenz_b
Date: 2012-05-03 21:20:22 +0000 (Thu, 03 May 2012)
Log Message:
-----------
Fallback to SPARQL 1.0 after 2 attempts.
Modified Paths:
--------------
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/AsymmetricObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/FunctionalDataPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseFunctionalObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/IrreflexiveObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/ReflexiveObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/SymmetricObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/algorithms/properties/TransitiveObjectPropertyAxiomLearner.java
trunk/components-core/src/main/java/org/dllearner/reasoning/SPARQLReasoner.java
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/AsymmetricObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/AsymmetricObjectPropertyAxiomLearner.java 2012-05-03 20:59:33 UTC (rev 3688)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/AsymmetricObjectPropertyAxiomLearner.java 2012-05-03 21:20:22 UTC (rev 3689)
@@ -99,7 +99,7 @@
// get number of instances of s with <s p o>
query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- ResultSet rs = executeSelectQuery(query);
+ ResultSet rs = executeSelectQuery(query, model);
QuerySolution qs;
int total = 0;
while(rs.hasNext()){
@@ -108,7 +108,7 @@
}
query = "SELECT (COUNT(*) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
+ rs = executeSelectQuery(query, model);
int symmetric = 0;
while(rs.hasNext()){
qs = rs.next();
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/FunctionalDataPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/FunctionalDataPropertyAxiomLearner.java 2012-05-03 20:59:33 UTC (rev 3688)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/FunctionalDataPropertyAxiomLearner.java 2012-05-03 21:20:22 UTC (rev 3689)
@@ -97,7 +97,7 @@
query = String.format(
"SELECT (COUNT(DISTINCT ?s) AS ?all) WHERE {?s <%s> ?o.}",
propertyToDescribe.getName());
- ResultSet rs = executeSelectQuery(query);
+ ResultSet rs = executeSelectQuery(query, model);
QuerySolution qs;
int all = 1;
while (rs.hasNext()) {
@@ -107,7 +107,7 @@
// get number of instances of s with <s p o> <s p o1> where o != o1
query = "SELECT (COUNT(DISTINCT ?s) AS ?functional) WHERE {?s <%s> ?o1. FILTER NOT EXISTS {?s <%s> ?o2. FILTER(?o1 != ?o1)} }";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
+ rs = executeSelectQuery(query, model);
int functional = 1;
while (rs.hasNext()) {
qs = rs.next();
@@ -129,29 +129,25 @@
private void runSPARQL1_1_Mode() {
// get number of instances of s with <s p o>
- String query = String.format(
- "SELECT (COUNT(DISTINCT ?s) AS ?all) WHERE {?s <%s> ?o.}",
- propertyToDescribe.getName());
- ResultSet rs = executeSelectQuery(query);
- QuerySolution qs;
- int all = 1;
- while (rs.hasNext()) {
- qs = rs.next();
- all = qs.getLiteral("all").getInt();
+ int numberOfSubjects = reasoner.getSubjectCountForProperty(propertyToDescribe, getRemainingRuntimeInMilliSeconds());
+ if(numberOfSubjects == -1){
+ logger.warn("Early termination: Got timeout while counting number of distinct subjects for given property.");
+ return;
}
// get number of instances of s with <s p o> <s p o1> where o != o1
- query = "SELECT (COUNT(DISTINCT ?s) AS ?functional) WHERE {?s <%s> ?o1. FILTER NOT EXISTS {?s <%s> ?o2. FILTER(?o1 != ?o1)} }";
+ String query = "SELECT (COUNT(DISTINCT ?s) AS ?functional) WHERE {?s <%s> ?o1. FILTER NOT EXISTS {?s <%s> ?o2. FILTER(?o1 != ?o1)} }";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
+ ResultSet rs = executeSelectQuery(query);
int functional = 1;
+ QuerySolution qs;
while (rs.hasNext()) {
qs = rs.next();
functional = qs.getLiteral("functional").getInt();
}
- if (all > 0) {
+ if (numberOfSubjects > 0) {
currentlyBestAxioms.add(new EvaluatedAxiom(
new FunctionalDatatypePropertyAxiom(propertyToDescribe),
- computeScore(all, functional),
+ computeScore(numberOfSubjects, functional),
declaredAsFunctional));
}
}
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseFunctionalObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseFunctionalObjectPropertyAxiomLearner.java 2012-05-03 20:59:33 UTC (rev 3688)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/InverseFunctionalObjectPropertyAxiomLearner.java 2012-05-03 21:20:22 UTC (rev 3689)
@@ -102,7 +102,7 @@
query = String.format(
"SELECT (COUNT(DISTINCT ?o) AS ?all) WHERE {?s <%s> ?o.}",
propertyToDescribe.getName());
- ResultSet rs = executeSelectQuery(query);
+ ResultSet rs = executeSelectQuery(query, model);
QuerySolution qs;
int all = 1;
while (rs.hasNext()) {
@@ -110,13 +110,13 @@
all = qs.getLiteral("all").getInt();
}
// get number of instances of s with <s p o> <s p o1> where o != o1
- query = "SELECT (COUNT(DISTINCT ?o) AS ?noninversefunctional) WHERE {?s1 <%s> ?o. ?s2 <%s> ?o. FILTER(?s1 != ?s2) }";
+ query = "SELECT (COUNT(DISTINCT ?o) AS ?inversefunctional) WHERE {?s1 <%s> ?o. FILTER NOT EXISTS {?s2 <%s> ?o. FILTER(?s1 != ?s2)}}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
- int notInverseFunctional = 1;
+ rs = executeSelectQuery(query, model);
+ int inverseFunctional = 1;
while (rs.hasNext()) {
qs = rs.next();
- notInverseFunctional = qs.getLiteral("noninversefunctional")
+ inverseFunctional = qs.getLiteral("inversefunctional")
.getInt();
}
if (all > 0) {
@@ -124,8 +124,7 @@
currentlyBestAxioms
.add(new EvaluatedAxiom(
new InverseFunctionalObjectPropertyAxiom(
- propertyToDescribe), computeScore(all, all
- - notInverseFunctional),
+ propertyToDescribe), computeScore(all, inverseFunctional),
declaredAsInverseFunctional));
}
@@ -137,32 +136,27 @@
private void runSPARQL1_1_Mode() {
// get number of instances of s with <s p o>
- String query = String.format(
- "SELECT (COUNT(DISTINCT ?o) AS ?all) WHERE {?s <%s> ?o.}",
- propertyToDescribe.getName());
- ResultSet rs = executeSelectQuery(query);
- QuerySolution qs;
- int all = 1;
- while (rs.hasNext()) {
- qs = rs.next();
- all = qs.getLiteral("all").getInt();
+ int numberOfObjects = reasoner.getObjectCountForProperty(propertyToDescribe, getRemainingRuntimeInMilliSeconds());
+ if(numberOfObjects == -1){
+ logger.warn("Early termination: Got timeout while counting number of distinct objects for given property.");
+ return;
}
// get number of instances of s with <s p o> <s p o1> where o != o1
- query = "SELECT (COUNT(DISTINCT ?o) AS ?noninversefunctional) WHERE {?s1 <%s> ?o. ?s2 <%s> ?o. FILTER(?s1 != ?s2) }";
+ String query = "SELECT (COUNT(DISTINCT ?o) AS ?inversefunctional) WHERE {?s1 <%s> ?o. FILTER NOT EXISTS {?s2 <%s> ?o. FILTER(?s1 != ?s2)}}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
- int notInverseFunctional = 1;
+ ResultSet rs = executeSelectQuery(query);
+ int inverseFunctional = 1;
+ QuerySolution qs;
while (rs.hasNext()) {
qs = rs.next();
- notInverseFunctional = qs.getLiteral("noninversefunctional")
+ inverseFunctional = qs.getLiteral("inversefunctional")
.getInt();
}
- if (all > 0) {
+ if (numberOfObjects > 0) {
currentlyBestAxioms
.add(new EvaluatedAxiom(
new InverseFunctionalObjectPropertyAxiom(
- propertyToDescribe), computeScore(all, all
- - notInverseFunctional),
+ propertyToDescribe), computeScore(numberOfObjects, inverseFunctional),
declaredAsInverseFunctional));
}
}
@@ -173,6 +167,7 @@
l.setPropertyToDescribe(new ObjectProperty("http://dbpedia.org/ontology/profession"));
l.setMaxExecutionTimeInSeconds(10);
l.init();
+ l.setForceSPARQL_1_0_Mode(true);
l.start();
System.out.println(l.getCurrentlyBestEvaluatedAxioms(1));
}
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/IrreflexiveObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/IrreflexiveObjectPropertyAxiomLearner.java 2012-05-03 20:59:33 UTC (rev 3688)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/IrreflexiveObjectPropertyAxiomLearner.java 2012-05-03 21:20:22 UTC (rev 3689)
@@ -101,7 +101,7 @@
query = String.format(
"SELECT (COUNT(DISTINCT ?s) AS ?all) WHERE {?s <%s> ?o.}",
propertyToDescribe);
- ResultSet rs = executeSelectQuery(query);
+ ResultSet rs = executeSelectQuery(query, model);
QuerySolution qs;
int all = 0;
while (rs.hasNext()) {
@@ -113,7 +113,7 @@
// get number of instances s where not exists <s p s>
query = "SELECT (COUNT(DISTINCT ?s) AS ?irreflexive) WHERE {?s <%s> ?o. FILTER(?s != ?o)}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
+ rs = executeSelectQuery(query, model);
int irreflexive = 0;
while (rs.hasNext()) {
qs = rs.next();
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/ReflexiveObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/ReflexiveObjectPropertyAxiomLearner.java 2012-05-03 20:59:33 UTC (rev 3688)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/ReflexiveObjectPropertyAxiomLearner.java 2012-05-03 21:20:22 UTC (rev 3689)
@@ -99,7 +99,7 @@
// get fraction of instances s with <s p s>
query = "SELECT (COUNT(DISTINCT ?s) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- ResultSet rs = executeSelectQuery(query);
+ ResultSet rs = executeSelectQuery(query, model);
QuerySolution qs;
int total = 0;
while (rs.hasNext()) {
@@ -108,7 +108,7 @@
}
query = "SELECT (COUNT(DISTINCT ?s) AS ?reflexive) WHERE {?s <%s> ?s.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
+ rs = executeSelectQuery(query, model);
int reflexive = 0;
while (rs.hasNext()) {
qs = rs.next();
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/SymmetricObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/SymmetricObjectPropertyAxiomLearner.java 2012-05-03 20:59:33 UTC (rev 3688)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/SymmetricObjectPropertyAxiomLearner.java 2012-05-03 21:20:22 UTC (rev 3689)
@@ -98,7 +98,7 @@
// get number of instances of s with <s p o>
query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- ResultSet rs = executeSelectQuery(query);
+ ResultSet rs = executeSelectQuery(query, model);
QuerySolution qs;
int total = 0;
while(rs.hasNext()){
@@ -107,7 +107,7 @@
}
query = "SELECT (COUNT(*) AS ?symmetric) WHERE {?s <%s> ?o. ?o <%s> ?s}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
+ rs = executeSelectQuery(query, model);
int symmetric = 0;
while(rs.hasNext()){
qs = rs.next();
Modified: trunk/components-core/src/main/java/org/dllearner/algorithms/properties/TransitiveObjectPropertyAxiomLearner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/algorithms/properties/TransitiveObjectPropertyAxiomLearner.java 2012-05-03 20:59:33 UTC (rev 3688)
+++ trunk/components-core/src/main/java/org/dllearner/algorithms/properties/TransitiveObjectPropertyAxiomLearner.java 2012-05-03 21:20:22 UTC (rev 3689)
@@ -100,7 +100,7 @@
// get number of instances of s with <s p o>
query = "SELECT (COUNT(*) AS ?total) WHERE {?s <%s> ?o. ?o <%s> ?o1.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- ResultSet rs = executeSelectQuery(query);
+ ResultSet rs = executeSelectQuery(query, model);
QuerySolution qs;
int total = 0;
while(rs.hasNext()){
@@ -109,7 +109,7 @@
}
query = "SELECT (COUNT(*) AS ?transitive) WHERE {?s <%s> ?o. ?o <%s> ?o1. ?s <%s> ?o1.}";
query = query.replace("%s", propertyToDescribe.getURI().toString());
- rs = executeSelectQuery(query);
+ rs = executeSelectQuery(query, model);
int transitive = 0;
while(rs.hasNext()){
qs = rs.next();
Modified: trunk/components-core/src/main/java/org/dllearner/reasoning/SPARQLReasoner.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/reasoning/SPARQLReasoner.java 2012-05-03 20:59:33 UTC (rev 3688)
+++ trunk/components-core/src/main/java/org/dllearner/reasoning/SPARQLReasoner.java 2012-05-03 21:20:22 UTC (rev 3689)
@@ -53,6 +53,7 @@
import org.dllearner.core.owl.Nothing;
import org.dllearner.core.owl.ObjectProperty;
import org.dllearner.core.owl.ObjectPropertyHierarchy;
+import org.dllearner.core.owl.Property;
import org.dllearner.core.owl.Thing;
import org.dllearner.kb.LocalModelBasedSparqlEndpointKS;
import org.dllearner.kb.SparqlEndpointKS;
@@ -169,7 +170,7 @@
}
}
- public int getSubjectCountForProperty(ObjectProperty p, long timeout){
+ public int getSubjectCountForProperty(Property p, long timeout){
int cnt = -1;
String query = String.format(
"SELECT (COUNT(DISTINCT ?s) AS ?cnt) WHERE {?s <%s> ?o.}",
@@ -182,6 +183,19 @@
return cnt;
}
+ public int getObjectCountForProperty(ObjectProperty p, long timeout){
+ int cnt = -1;
+ String query = String.format(
+ "SELECT (COUNT(DISTINCT ?o) AS ?cnt) WHERE {?s <%s> ?o.}",
+ p.getName());
+ ResultSet rs = executeSelectQuery(query, timeout);
+ if(rs.hasNext()){
+ cnt = rs.next().getLiteral("cnt").getInt();
+ }
+
+ return cnt;
+ }
+
public int getPopularity(NamedClass nc){
if(classPopularityMap.containsKey(nc)){
return classPopularityMap.get(nc);
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