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OutlineExtractor

velesdb_memory::extract

Struct OutlineExtractor 

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pub struct OutlineExtractor;
Expand description

Deterministic, network-free extractor: it reads the structure a passage STATES instead of inferring it.

A generative backend guesses which facts a paragraph holds; this one is told. Each non-blank line of the passage is one directive:

lineyields
edge: <subject> | <predicate> | <object>one ExtractedRelation
attr: <entity> | <key> | <json value>one ExtractedAttribute
fact: <text> | <topic>, <topic>one ExtractedFact
anything elseone ExtractedFact, no topics

Entity names are canonicalized (trimmed, lowercased) exactly as ExtractedFact::entities are, so they resolve to the SAME content-addressed hubs a generative backend’s would — the two backends can write into one graph.

Its purpose matches crate::HashEmbedder’s: reproducible tests and offline behavior. It reads no natural language, so a caller holding only prose wants a generative backend. What it offers instead is the one thing a model cannot: the graph is exactly the one the caller wrote down — up to [orient_kinship], the repointing pass EVERY backend’s relations go through, which can flip a triple whose predicate is a kinship noun the passage also states possessively.

A malformed directive is an ExtractError::Parse, never a silently dropped line: a graph that quietly loses half of what it was handed is worse than one that refuses.

Trait Implementations§

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impl Clone for OutlineExtractor

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fn clone(&self) -> OutlineExtractor

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 Copy for OutlineExtractor

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impl Debug for OutlineExtractor

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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 OutlineExtractor

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fn default() -> OutlineExtractor

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

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fn extract(&self, text: &str) -> Result<Vec<ExtractedFact>, ExtractError>

Extract the atomic facts a reader would remember from text. Read more
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fn extract_graph(&self, text: &str) -> Result<Extraction, ExtractError>

Extract the facts and the entity→entity edges and entity attributes the passage states. Read more

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