Changeset: e26375e5f8db for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=e26375e5f8db
Modified Files:
monetdb5/extras/rdf/rdfschema.c
monetdb5/extras/rdf/rdfschema.h
Branch: rdf
Log Message:
Modify the function for detecting the good parameter
diffs (84 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
@@ -8911,6 +8911,7 @@ Pscore computeMetricsQ(CSset *freqCSset)
float Q = 0.0;
int i;
+ int numExpFinalTbl = 0; //Expected number of table after
removing small table
Pscore pscore;
int curNumMergeCS = countNumberMergeCS(freqCSset);
@@ -8937,6 +8938,7 @@ Pscore computeMetricsQ(CSset *freqCSset)
Q += weight[tblIdx];
}
+ if (isCSTable(freqCSset->items[i], 1)) numExpFinalTbl++;
}
printf("Performance metric Q = (weighting %f)/(totalCov %d * numTbl %d)
\n", Q,totalCov, curNumMergeCS);
printf("Average precision = %f\n",(float)totalPrecision/curNumMergeCS);
@@ -8952,6 +8954,7 @@ Pscore computeMetricsQ(CSset *freqCSset)
pscore.Qscore = Q;
//pscore.Cscore =
pscore.nTable = curNumMergeCS;
+ pscore.nFinalTable = numExpFinalTbl;
free(fillRatio);
free(refRatio);
@@ -9468,23 +9471,37 @@ CSset* copyCSset(CSset *srcCSset){
static
void setFinalsimTfidfThreshold(Pscore *pscores, int numRun){
int i;
-
- printf("#SimThreshold #avgPrecision #OvrallPrecision
#numTable \n");
+ float cumgap;
+ float totalgap;
+
+
+
printf("SimThreshold|avgPrecision|OvrallPrecision|numTable|FinalTable\n");
for ( i = 0; i < numRun; i++){
- printf("%f %f %f %d\n",0.5 + i *
0.05,pscores[i].avgPrec, pscores[i].overallPrec, pscores[i].nTable);
- }
-
+ printf("%f|%f|%f|%d|%d\n",0.5 + i * 0.05,pscores[i].avgPrec,
pscores[i].overallPrec, pscores[i].nTable,pscores[i].nFinalTable);
+ }
+
+ totalgap = pscores[numRun-1].overallPrec - pscores[0].overallPrec;
for ( i = 0; i < numRun; i++){
+ /*
+ float curgap;
float trendRatio = 1.0;
//Find the turning point
if (i > 0 && i < (numRun - 1)){
+ curgap = pscores[i].overallPrec -
pscores[i-1].overallPrec;
+ cumgap = pscores[numRun].overallPrec -
pscores[i].overallPrec;
trendRatio = (float)(pscores[i].overallPrec -
pscores[i-1].overallPrec)/(pscores[i+1].overallPrec - pscores[i].overallPrec);
printf("Turning %f \n",trendRatio);
- if (trendRatio > 2) {
+ if (trendRatio > 2 && curgap > cumgap &&
pscores[i].nFinalTable < upperboundNumTables) {
simTfidfThreshold = 0.5 + i * 0.05;
break;
}
}
+ */
+ cumgap = pscores[i].overallPrec - pscores[0].overallPrec;
+ if (cumgap > 0.9 * totalgap){
+ simTfidfThreshold = 0.5 + i * 0.05;
+ break;
+ }
}
}
diff --git a/monetdb5/extras/rdf/rdfschema.h b/monetdb5/extras/rdf/rdfschema.h
--- a/monetdb5/extras/rdf/rdfschema.h
+++ b/monetdb5/extras/rdf/rdfschema.h
@@ -444,7 +444,8 @@ typedef struct Pscore{ //Performance sc
float overallPrec; //overall precision
float Qscore; //metric score Q
float Cscore; //metric score C
- int nTable; //number of tables
+ int nTable; //number of tables
+ int nFinalTable; //Expected number of final table after removing
e.g., small size table
} Pscore;
#define NUM_SAMPLETABLE 20
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