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BeliefMemConfig

zeph_memory::graph::belief

Struct BeliefMemConfig 

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pub struct BeliefMemConfig {
    pub enabled: bool,
    pub min_entry_prob: f32,
    pub promote_threshold: f32,
    pub max_candidates_per_group: usize,
    pub retrieval_top_k: usize,
    pub belief_decay_rate: f32,
}
Expand description

Configuration for the probabilistic belief layer.

Embed in [memory.graph.belief_mem] in config.toml. All thresholds are dimensionless probabilities in [0.0, 1.0].

Fields§

§enabled: bool

Whether the feature is enabled. Default: false.

§min_entry_prob: f32

Minimum probability for a new fact to enter pending_beliefs. Evidence below this is discarded. Default: 0.3.

§promote_threshold: f32

Promotion threshold: when prob >= promote_threshold, the belief is returned from BeliefStore::record_evidence for the caller to commit. Default: 0.85.

§max_candidates_per_group: usize

Eviction cap: maximum pending_beliefs rows per (source, canonical_relation) group. Oldest low-probability beliefs are evicted when exceeded. Default: 10.

§retrieval_top_k: usize

Number of candidates returned by BeliefStore::retrieve_candidates. Default: 3.

§belief_decay_rate: f32

Exponential decay rate λ applied to existing probability before each Noisy-OR update. Set to 0.0 to disable temporal decay. Default: 0.01.

Trait Implementations§

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impl Clone for BeliefMemConfig

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fn clone(&self) -> BeliefMemConfig

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 BeliefMemConfig

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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 Default for BeliefMemConfig

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fn default() -> Self

Returns the “default value” for a type. Read more

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