Struct LexicalReranker 

pub struct LexicalReranker {
    pub exact_match_weight: f32,
    pub coverage_weight: f32,
    pub position_weight: f32,
    pub case_insensitive: bool,
}

Lexical reranker using simple text matching features

Fields

exact_match_weight: f32

Weight for exact query match

coverage_weight: f32

Weight for query term coverage

position_weight: f32

Weight for position bias (earlier terms = better)

case_insensitive: bool

Whether to lowercase for matching

Implementations

impl LexicalReranker

pub fn new() -> Self

Create a new lexical reranker

pub fn with_weights( self, exact_match: f32, coverage: f32, position: f32, ) -> Self

Set weights

Trait Implementations

impl Clone for LexicalReranker

fn clone(&self) -> LexicalReranker

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LexicalReranker

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for LexicalReranker

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for LexicalReranker

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Reranker for LexicalReranker

fn rerank( &self, query: &str, candidates: &[RetrievalResult], top_k: usize, ) -> Result<Vec<RetrievalResult>>

Rerank candidates given a query

impl Serialize for LexicalReranker

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.