/*
* Instead of looking at every term across all documents,
* only look at the terms in the query, because all other terms
* will be 0, resulting in q*d=0.
* Typically the number of terms in a query is less than
* the number of terms in a document.
*/
private static double ComputeProduct(DocumentVector query, NormalizedVector doc)
{
double val = 0;
foreach (KeyValuePair<string, int> term in query)
{
double d;
doc.TryGetValue(term.Key, out d);
val += term.Value * d;
}
return val;
}
/*
* Instead of looking at every term across all documents,
* only look at the terms in the query, because all other terms
* will be 0, resulting in q*d=0.
* Typically the number of terms in a query is less than
* the number of terms in a document.
*/
private static double ComputeProduct(DocumentVector query, NormalizedVector doc)
{
double val = 0;
foreach (KeyValuePair <string, int> term in query)
{
double d;
doc.TryGetValue(term.Key, out d);
val += term.Value * d;
}
return(val);
}
