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[DL-Learner SVN] SF.net SVN: dl-learner:[1699] trunk
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From: <jen...@us...> - 2009-04-14 09:51:35
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Revision: 1699
http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1699&view=rev
Author: jenslehmann
Date: 2009-04-14 09:51:30 +0000 (Tue, 14 Apr 2009)
Log Message:
-----------
learning example for moosique.net
Modified Paths:
--------------
trunk/src/dl-learner/org/dllearner/algorithms/celoe/CELOE.java
Added Paths:
-----------
trunk/examples/sparql/jamendo.owl
trunk/examples/sparql/moosique.conf
Added: trunk/examples/sparql/jamendo.owl
===================================================================
--- trunk/examples/sparql/jamendo.owl (rev 0)
+++ trunk/examples/sparql/jamendo.owl 2009-04-14 09:51:30 UTC (rev 1699)
@@ -0,0 +1,79 @@
+@prefix : <http://dl-learner.org/jamendo/> .
+@prefix tags: <http://dbtune.org/jamendo/tags/70> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix owl2xml: <http://www.w3.org/2006/12/owl2-xml#> .
+@prefix mo: <http://purl.org/ontology/mo/> .
+@prefix tag: <http://dbtune.org/jamendo/tag/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix tags2: <http://dbtune.org/jamendo/tags/> .
+@base <http://dl-learner.org/jamendo/> .
+
+<http://dl-learner.org/jamendo/> rdf:type owl:Ontology .
+
+
+#################################################################
+#
+# Classes
+#
+#################################################################
+
+
+### http://dbtune.org/jamendo/tag/guitare
+
+tag:guitare rdf:type owl:Class ;
+
+ rdfs:subClassOf mo:Record .
+
+
+
+### http://dbtune.org/jamendo/tag/idm
+
+tag:idm rdf:type owl:Class ;
+
+ rdfs:subClassOf mo:Record .
+
+
+
+### http://dbtune.org/jamendo/tags/70s
+
+tags:s rdf:type owl:Class ;
+
+ rdfs:subClassOf mo:Record .
+
+
+
+### http://dbtune.org/jamendo/tags/electro
+
+tags2:electro rdf:type owl:Class ;
+
+ rdfs:subClassOf mo:Record .
+
+
+
+### http://dbtune.org/jamendo/tags/house
+
+tags2:house rdf:type owl:Class ;
+
+ rdfs:subClassOf tags2:electro .
+
+
+
+### http://purl.org/ontology/mo/Record
+
+mo:Record rdf:type owl:Class ;
+
+ rdfs:subClassOf owl:Thing .
+
+
+
+### http://www.w3.org/2002/07/owl#Thing
+
+owl:Thing rdf:type owl:Class .
+
+
+
+
+### Generated by the OWL API (version 2.2.1.1042) http://owlapi.sourceforge.net
+
Added: trunk/examples/sparql/moosique.conf
===================================================================
--- trunk/examples/sparql/moosique.conf (rev 0)
+++ trunk/examples/sparql/moosique.conf 2009-04-14 09:51:30 UTC (rev 1699)
@@ -0,0 +1,70 @@
+/**
+ * moosique.net test example
+ */
+
+// select the Jamendo endpoint as knowledge source
+// import("http://dbtune.org:2105/sparql/","SPARQL");
+import("http://dbtune.org/jamendo/sparql/","SPARQL");
+
+// select a set of "starting instances" => this includes positive examples (tracks/albums/artists
+// last heard) as well as randomly selected objects of the same type (track/album/artist) -
+// preferably those which have at least e.g. 3 tags;
+// starting from these instances, DL-Learner extracts a fragment of the Jamendo knowledge base
+sparql.instances = {
+"http://dbtune.org/jamendo/record/1059",
+"http://dbtune.org/jamendo/record/1162",
+"http://dbtune.org/jamendo/record/1262",
+"http://dbtune.org/jamendo/record/1363",
+"http://dbtune.org/jamendo/record/1465",
+"http://dbtune.org/jamendo/record/1568",
+"http://dbtune.org/jamendo/record/1668",
+"http://dbtune.org/jamendo/record/1769",
+"http://dbtune.org/jamendo/record/1869",
+"http://dbtune.org/jamendo/record/1970"
+};
+
+// recursion depth => the maximum distance of an object in the fragment from one of
+// the starting instances
+sparql.recursionDepth = 2;
+
+// we transform tags to classes (such that we can build a taxonomy of tags) on the fly;
+// => later we may send the taxonomy to Yves if he is interested in using a taxonomy instead
+// of plain tags
+sparql.replacePredicate=[(
+"http://www.holygoat.co.uk/owl/redwood/0.1/tags/taggedWithTag",
+"http://www.w3.org/1999/02/22-rdf-syntax-ns#type")];
+
+// whether to save the extracted fragment (use e.g. Protege to view it);
+// by default this goes to fragmentOntology.owl in the DL-Learner directory
+sparql.saveExtractedFragment = true;
+
+// we now import the background knowledge including the taxonomy of tags
+// (but you can specify any additional knowledge in this file - the more
+// knowledge available, the better the suggestions)
+// you can use e.g. Protege to create the taxonomy
+// (set File >> Preferences >> Renderer to qnames) or a plain text editor
+import("jamendo.owl");
+
+// we want to learn from positive examples only
+problem = posOnlyLP;
+// positive examples = records liked/listened to by user
++"http://dbtune.org/jamendo/record/1059"
++"http://dbtune.org/jamendo/record/1162"
++"http://dbtune.org/jamendo/record/1262"
+
+// we use the new CELOE algorithm
+algorithm = celoe;
+// set the start class to the correct type (Record in this case) - not supported yet
+// celoe.startClass = "http://purl.org/ontology/mo/Record";
+// let it run for a short amount of time (we only want simple expressions)
+celoe.maxExecutionTimeInSeconds = 2;
+// use owl:hasValue if appropriate
+// see: http://www.w3.org/TR/2008/WD-owl2-syntax-20081202/#Individual_Value_Restriction
+// not sure whether this greatly influences the results
+celoe.useHasValueConstructor = true;
+celoe.valueFrequencyThreshold = 2;
+
+// the conversion to natural language is not yet covered here;
+// you can use the class org.dllearner.sparql.NaturalLanguageDescriptionConverter for this,
+// but the implementation is quite bad at the moment;
+// the web service contains a method getNaturalDescription() using the class above
Modified: trunk/src/dl-learner/org/dllearner/algorithms/celoe/CELOE.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/algorithms/celoe/CELOE.java 2009-04-14 08:11:55 UTC (rev 1698)
+++ trunk/src/dl-learner/org/dllearner/algorithms/celoe/CELOE.java 2009-04-14 09:51:30 UTC (rev 1699)
@@ -116,7 +116,7 @@
private String baseURI;
private Map<String, String> prefixes;
private DecimalFormat dfPercent = new DecimalFormat("0.00%");
-// private ConceptComparator descriptionComparator = new ConceptComparator();
+ private ConceptComparator descriptionComparator = new ConceptComparator();
// statistical variables
private int descriptionTests = 0;
@@ -377,6 +377,8 @@
if(isCandidate) {
Description niceDescription = rewriteNode(node);
+ ConceptTransformation.transformToOrderedForm(niceDescription, descriptionComparator);
+// Description niceDescription = node.getDescription();
// another test: none of the other suggested descriptions should be
// a subdescription of this one unless accuracy is different
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