Struct MultiFactorScore

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pub struct MultiFactorScore {
    pub similarity: f32,
    pub recency: f32,
    pub importance: f32,
    pub combined: f32,
}

Expand description

Combined retrieval score that blends similarity, recency, and stored importance.

Weights: similarity × 0.50 + recency × 0.30 + importance × 0.20.

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§similarity: f32

Raw cosine/dot-product similarity from the embedding search (0–1).

§recency: f32

Recency factor: exp(−0.01 × hours_since_last_access). 1.0 = just accessed, approaches 0 for very old entries.

§importance: f32

Stored importance score (0–1) from TierMetadata::importance.

§combined: f32

Weighted combined score used for ranking.

Implementations§

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impl MultiFactorScore

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pub fn compute(similarity: f32, recency: f32, importance: f32) -> Self

Compute the combined score from its components using default weights.

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pub fn compute_with_weights( similarity: f32, recency: f32, importance: f32, sim_w: f32, rec_w: f32, imp_w: f32, ) -> Self

Compute the combined score using caller-supplied weights.

Weights need not sum to 1.0 — combined is the raw dot product and is clamped to [0.0, 1.0] for consistency.

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pub fn recency_from_hours(hours_since_access: f32) -> f32

Compute the recency factor from hours_since_last_access.

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pub fn recency_from_hours_fast(hours_since_access: f32) -> f32

Compute the recency factor using the fast decay rate (exp(-0.05 × h)).

Trait Implementations§

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impl Clone for MultiFactorScore

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fn clone(&self) -> MultiFactorScore

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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impl Debug for MultiFactorScore

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

Formats the value using the given formatter. Read more

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impl UnwindSafe for MultiFactorScore

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Struct MultiFactorScore Copy item path

Fields§

Implementations§

impl MultiFactorScore

pub fn compute(similarity: f32, recency: f32, importance: f32) -> Self

pub fn compute_with_weights( similarity: f32, recency: f32, importance: f32, sim_w: f32, rec_w: f32, imp_w: f32, ) -> Self

pub fn recency_from_hours(hours_since_access: f32) -> f32

pub fn recency_from_hours_fast(hours_since_access: f32) -> f32

Trait Implementations§

impl Clone for MultiFactorScore

fn clone(&self) -> MultiFactorScore

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

impl Debug for MultiFactorScore

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

Auto Trait Implementations§

impl Freeze for MultiFactorScore

impl RefUnwindSafe for MultiFactorScore

impl Send for MultiFactorScore

impl Sync for MultiFactorScore

impl Unpin for MultiFactorScore

impl UnsafeUnpin for MultiFactorScore

impl UnwindSafe for MultiFactorScore

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Struct MultiFactorScore

impl<T> Any for T
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

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where Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

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where Self: UpperHex,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

impl<T> ToOwned for T
where T: Clone,

fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

impl<T> ErasedDestructor for T
where T: 'static,

impl<T> Fruit for T
where T: Send + Downcast,

impl<T> Fruit for T
where T: Send + Downcast,