Searchplex ID Retrieval terminology registry

Task

Document Expansion

Canonical ID https://id.searchplex.net/document-expansion/

Enriching a document representation with additional generated or selected text, terms, queries, or signals intended to improve retrieval matching.

Also called

  • Document Expansion by Query Prediction

Scope

Document expansion modifies or augments the document side, often before indexing. It is distinct from query expansion, which modifies or augments the query side at search time or query-processing time.

Observed terms

  • Doc2Query academic
  • docT5query academic

Not equivalent to

  • Document Expansion is not Query Expansion. Document expansion enriches the indexed document representation; query expansion enriches the query representation.

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ID