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concepts/cross-source-concepts.md
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Cross-Source Concepts

Cross-source concepts are concepts that appear in or are relevant to multiple source documents within a Knowledge Compilation pipeline. Rather than belonging to a single source, they represent shared knowledge that must be synthesized from all contributing sources when a wiki page is generated.

How They Are Detected

The knowledge Compilation Pipeline uses semantic dependency tracking to identify when multiple sources discuss the same concept. This overlap detection is what distinguishes a cross-source concept from one that originates in a single document. ^[knowledge-compilation.md]

Recompilation Behavior

Because a cross-source concept draws from more than one source, a change to any one of those sources triggers recompilation of the shared concept page. When recompilation occurs, the system pulls content from all contributing sources — not just the one that changed — ensuring the resulting page reflects the full picture. This is an extension of the broader Incremental Compilation strategy, which otherwise skips unchanged sources to save time and API costs. ^[knowledge-compilation.md]

Relationship to the Compilation Pipeline

Cross-source concept handling fits into the later stages of the Knowledge Compilation pipeline, after ingestion and Change Detection have already identified which sources are new or modified. The Interlink Resolution stage then wraps mentions of these concepts in wikilinks, connecting them to related pages across the compiled wiki. ^[knowledge-compilation.md]

Sources