#include <albert/usagescoring.h>

Description

Modifies match scores according to user usage history and preferences.

Public Member Functions
double	modifiedMatchScore (const ItemKey &key, double match_score) const
	Returns the modified match_score for an item identified by key.

void	modifyMatchScores (const QString &extension_id, std::vector< albert::RankItem > &rank_items) const
	Modifies the match score of rank_item for an item identified by key in-place.

Public Attributes
bool	prioritize_perfect_match
	If `true` perfect matches should be prioritized even if their usage score is lower.

double	memory_decay
	The exponential decay applied to usage scores based on recency.

std::shared_ptr< const std::unordered_map< ItemKey, double > >	usage_scores
	The usage scores.

Member Function Documentation

◆ modifiedMatchScore()

double albert::UsageScoring::modifiedMatchScore	(	const ItemKey &	key,
		double	match_score
	)		const

Returns the modified match_score for an item identified by key.

◆ modifyMatchScores()

void albert::UsageScoring::modifyMatchScores	(	const QString &	extension_id,
		std::vector< albert::RankItem > &	rank_items
	)		const

Modifies the match score of rank_item for an item identified by key in-place.

Member Data Documentation

◆ memory_decay

double albert::UsageScoring::memory_decay

The exponential decay applied to usage scores based on recency.

This value adjusts the influence of recent item activations using a geometric weighting scheme: each activation contributes a weight of 1 / (memory_decay^recency). A value of 1.0 disables decay, assigning equal weight to all activations and the score of an item is the sum of its activations (Most Frequently Used). A value of 0.5 implies that for any activation a_i in history the sum of all older activations can not exceed the weight of a_i (Most Recently Used). Valid range: [0.5, 1.0]

◆ prioritize_perfect_match

bool albert::UsageScoring::prioritize_perfect_match

If true perfect matches should be prioritized even if their usage score is lower.

◆ usage_scores

std::shared_ptr<const std::unordered_map<ItemKey, double> > albert::UsageScoring::usage_scores

The usage scores.

The documentation for this class was generated from the following file:

workspace/albert/include/albert/usagescoring.h