public double GetDocumentWeight(int docID, IIndex index)
{
double docWeight;
DiskPositionalIndex.PostingDocWeight temp = index.GetPostingDocWeight(docID);
docWeight = temp.GetDocWeight();
return(docWeight);
}
public double GetDocumentWeight(int docID, IIndex index)
{
DiskPositionalIndex.PostingDocWeight temp = index.GetPostingDocWeight(docID);
int fileSizeInByte = temp.GetDocByteSize();
double WackyLd = (double)(Math.Sqrt(fileSizeInByte));
Console.WriteLine(WackyLd);
return(WackyLd);
}
public double calculateDoc2TermWeight(double termFrequency, int docID, int corpusSize, IIndex index)
{
DiskPositionalIndex.PostingDocWeight temp = index.GetPostingDocWeight(docID);
int documentLength = temp.GetDocTokenCount();
double numeratorO = 2.2 * termFrequency;
double denominatorO = 1.2 * (0.25 + 0.75 * (double)(documentLength / Indexer.averageDocLength)) + termFrequency;
double OkapiWdtValue = (double)numeratorO / denominatorO;
return(OkapiWdtValue);
}
public double calculateDoc2TermWeight(double termFrequency, int docID, int corpusSize, IIndex index)
{
DiskPositionalIndex.PostingDocWeight temp = index.GetPostingDocWeight(docID);
double avDocTermFreq = temp.GetDocAveTermFreq();
double numeratorW = (double)1 + Math.Log(termFrequency);
double denominatorW = (double)1 + Math.Log(avDocTermFreq);
double WackyWdtValue = (double)numeratorW / denominatorW;
return(WackyWdtValue);
}