Struct UtilityRanker 

pub struct UtilityRanker { /* private fields */ }

Utility-based ranker for episodes

Implementations

impl UtilityRanker

pub fn new() -> Self

Create a new ranker with default configuration

pub fn with_config(config: RankerConfig) -> Self

Create a ranker with custom configuration

pub fn rank( &self, episodes: Vec<Episode>, similarities: Vec<f64>, ) -> Vec<RankedEpisode>

Rank episodes based on similarity and utility

Arguments

• episodes - Episodes to rank
• similarities - Semantic similarity scores (0.0 to 1.0)

Returns

Ranked episodes sorted by combined score (descending)

pub fn update_utility_from_feedback( &self, episode: &Episode, helpful: bool, learning_rate: f64, ) -> f64

Update utility based on feedback

Simple update rule: new_utility = old_utility + α * (feedback_value - old_utility)

Trait Implementations

impl Default for UtilityRanker

fn default() -> Self

Returns the “default value” for a type.