Query results are assigned a score that is a representation of how good of a match that document is to the query. Higher numeric values represent "better" results. But how is this score determined? This recipe gives an explanation on how Lucene.NET arrives at a score and how you can examine the score to figure out exactly how the value was calculated.
>= 0.0. This value is computed via an equation derived from theory in information retrieval:
Σt in q (t f (t in d ) idf (t) boost(t.field in d ) lengthNorm(t.field in d )) coord(q,d ) queryNorm(q)
Let's look at each of the terms in the equation and how they factor into ...