MonetDB: rdf - Get the contribution from ontology class to the c...

[Minh-Duc Pham]

Changeset: 0d1aba70a02c for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=0d1aba70a02c
Modified Files:
        monetdb5/extras/rdf/rdfschema.c
Branch: rdf
Log Message:

Get the contribution from ontology class to the certain characteristic entity


diffs (76 lines):

diff --git a/monetdb5/extras/rdf/rdfschema.c b/monetdb5/extras/rdf/rdfschema.c
--- a/monetdb5/extras/rdf/rdfschema.c
+++ b/monetdb5/extras/rdf/rdfschema.c
@@ -2132,6 +2132,8 @@ int getNumOntology(oid* lstProp, int num
        return numOntology;
 }
 
+
+
 static 
 str printMergedFreqCSSet(CSset *freqCSset, BAT *mapbat, BAT *ontbat, char 
isWriteTofile, int freqThreshold, CSlabel* labels, int mergingstep){
 
@@ -5486,6 +5488,50 @@ void getBestRdfTypeValue(oid *buff, int 
 #endif
 
 
+#if COUNT_PERCENTAGE_ONTO_PROP_USED
+/*
+ * If the name of the CS comes from an ontology class, 
+ * ontology contribution for the CS is computed as:
+ * Ratio = (#_prop in the CS belonging to that ontology) / (# props of that 
ontology) 
+ * Contribution = (Number of subject X Ratio)
+ *
+ * At the end, total 
+ * */
+
+static
+void getOntologyContribution(CSset *freqCSset, CSlabel* labels){
+       
+       int i; 
+       int noSubj; 
+       int totalNoSubj = 0; 
+       float totalContrib = 0.0; 
+       float contrib = 0.0;
+       BUN tmpPos; 
+
+       for (i = 0; i < freqCSset->numCSadded; i++){
+               CS cs = (CS)freqCSset->items[i];
+
+               if (isOntologyName(labels[i].name, &tmpPos)){
+
+                       if (cs.parentFreqIdx != -1) continue;
+                       noSubj = cs.support;
+                       
+                       if (ontclassSet[tmpPos].numProp != 0){  //otherwise, we 
do not have the information for this ontology class
+                               int numOntProp = 0;
+                               
countNumOverlapProp(ontclassSet[tmpPos].lstProp, cs.lstProp, 
ontclassSet[tmpPos].numProp,cs.numProp, &numOntProp);              
+                               contrib = (float) (numOntProp / (float) 
ontclassSet[tmpPos].numProp) * noSubj; 
+                               totalNoSubj += noSubj;
+                               totalContrib += contrib;
+
+                               //printf("CS %d has %d ontology props (/%d 
ontology props) \n",i, numOntProp,ontclassSet[tmpPos].numProp);
+                       }
+               }
+       }
+
+       printf("Ontology contribution is: %f \n", (float) 
totalContrib/totalNoSubj);
+}
+#endif 
+
 static 
 str RDFassignCSId(int *ret, BAT *sbat, BAT *pbat, BAT *obat, BAT *ontbat, 
CSset *freqCSset, int *freqThreshold, CSBats* csBats, oid *subjCSMap, oid 
*maxCSoid, int *maxNumProp, int *maxNumPwithDup){
 
@@ -9854,7 +9900,11 @@ RDFextractCSwithTypes(int *ret, bat *sba
        curT = clock(); 
        printf("Done labeling!!! Took %f seconds.\n", ((float)(curT - 
tmpLastT))/CLOCKS_PER_SEC);
        tmpLastT = curT;
-       
+
+       #if COUNT_PERCENTAGE_ONTO_PROP_USED
+       getOntologyContribution(freqCSset, *labels);
+       #endif
+
        #if NO_OUTPUTFILE == 0
        printMergedFreqCSSet(freqCSset, mbat, ontbat,1, *freqThreshold, 
*labels, 0); 
        #endif
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