Class Similarity.SimWeight
Stores the weight for a query across the indexed collection. this abstract implementation is empty; descendants of Similarity should subclass Similarity.SimWeight and define the statistics they require in the subclass. Examples include idf, average field length, etc.
Inheritance
Assembly: DistributedLucene.Net.dll
Syntax
public abstract class SimWeight : objectConstructors
| Name | Description |
|---|---|
| SimWeight() | Sole constructor. (For invocation by subclass constructors, typically implicit.) |
Methods
| Name | Description |
|---|---|
| GetValueForNormalization() | The value for normalization of contained query clauses (e.g. sum of squared weights). NOTE: a Similarity implementation might not use any query normalization at all, its not required. However, if it wants to participate in query normalization, it can return a value here. |
| Normalize(Single, Single) | Assigns the query normalization factor and boost from parent queries to this.
NOTE: a Similarity implementation might not use this normalized value at all,
its not required. However, its usually a good idea to at least incorporate
the |
