Function score

pub fn score(
    interest_vector: InterestVector,
    content_categories: Vec<Interest>,
) -> f64

Calculate score for a piece of categorized content based on a user interest vector.

This scoring function is of the following properties:

• The score ranges from 0.0 to 1.0
• The score is monotonically increasing for the accumulated interest count

Params:

• interest_vector: a user interest vector that can be fetched via RelevancyStore::user_interest_vector().
• content_categories: a list of categories (interests) of the give content.

Return:

• A score ranges in [0, 1].