Triple

T5377108
Position Surface form Disambiguated ID Type / Status
Subject Chicago and North Western Railway Company E112986 entity
Predicate notableRoute P22 FINISHED
Object Chicago–Twin Cities route E492680 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Chicago–Twin Cities route | Statement: [Chicago and North Western Railway Company, notableRoute, Chicago–Twin Cities route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago–Twin Cities route
Context triple: [Chicago and North Western Railway Company, notableRoute, Chicago–Twin Cities route]
  • A. Chicago–Twin Cities route chosen
    The Chicago–Twin Cities route was a major passenger and freight rail corridor linking Chicago with Minneapolis–Saint Paul, historically served by several prominent Midwestern railroads.
  • B. Pittsburgh–Chicago route
    The Pittsburgh–Chicago route was a major Pennsylvania Railroad passenger and freight corridor linking the industrial centers of Pittsburgh, Pennsylvania, and Chicago, Illinois.
  • C. New York–St. Louis route
    The New York–St. Louis route was a major intercity passenger and freight rail corridor in the United States that connected the East Coast with the Midwest.
  • D. Chicago–Ann Arbor corridor
    The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
  • E. Chicago–Milwaukee metropolitan corridor
    The Chicago–Milwaukee metropolitan corridor is a heavily urbanized and economically integrated region stretching along Lake Michigan between Chicago, Illinois, and Milwaukee, Wisconsin.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69bd4436a1988190af18dcff7fd306b4 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd86b08bf881909fa2e42c977d807a completed March 20, 2026, 5:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf29428cec8190a20bea8fcae59d8f completed March 21, 2026, 11:26 p.m.
Created at: March 20, 2026, 2:03 p.m.