Triple

T6018044
Position Surface form Disambiguated ID Type / Status
Subject St. Louis–San Francisco Railway E133994 entity
Predicate operatedInState P6665 FINISHED
Object Mississippi E15942 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Mississippi | Statement: [St. Louis–San Francisco Railway, operatedInState, Mississippi]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mississippi
Context triple: [St. Louis–San Francisco Railway, operatedInState, Mississippi]
  • A. Mississippi chosen
    Mississippi is a U.S. state in the Deep South known for the Mississippi River, its influential role in American history and culture—especially blues music—and its largely rural, agricultural landscape.
  • B. Mississippi River
    The Mississippi River is one of the longest and most significant rivers in the United States, serving as a major waterway for transportation, commerce, and drainage across much of the central continent.
  • C. Yazoo River
    The Yazoo River is a major waterway in west-central Mississippi that flows through the Mississippi Delta before joining the Mississippi River.
  • D. Go, Mississippi
    "Go, Mississippi" is the official state song of Mississippi, known for its upbeat, marching-style celebration of the state.
  • E. Ouachita River
    The Ouachita River is a major waterway in the south-central United States that flows through Arkansas and Louisiana, supporting regional ecosystems, commerce, and recreation.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69c008742a5c8190b9cb9c2787a3d8b3 elicitation completed
NER batch_69c04f8458588190a78aa32cbdbecfb1 ner completed
NED1 batch_69c11343ef288190922d6992e0519636 ned_source_triple completed
Created at: March 22, 2026, 4:07 p.m.