Interface IBM25Similarity

BM25 Similarity. Introduced in Stephen E. Robertson, Steve Walker, Susan Jones, Micheline Hancock-Beaulieu, and Mike Gatford. Okapi at TREC-3. In Proceedings of the Third Text Retrieval Conference (TREC 1994). Gaithersburg, USA, November 1994.

Inherited Members
Namespace: OpenSearch.Client
Assembly: OpenSearch.Client.dll
Syntax
public interface IBM25Similarity : ISimilarity

Properties

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B

Controls to what degree document length normalizes tf values.

Declaration
[DataMember(Name = "b")]
double? B { get; set; }
Property Value
Type Description
double?
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DiscountOverlaps

Sets whether overlap tokens (Tokens with 0 position increment) are ignored when computing norm.

Declaration
[DataMember(Name = "discount_overlaps")]
bool? DiscountOverlaps { get; set; }
Property Value
Type Description
bool?
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K1

Controls non-linear term frequency normalization (saturation).

Declaration
[DataMember(Name = "k1")]
double? K1 { get; set; }
Property Value
Type Description
double?

Extension Methods