Triple

T21628944
Position Surface form Disambiguated ID Type / Status
Subject Green Diamond E533775 entity
Predicate operatedOnLine P15252 FINISHED
Object Illinois Central main line between Chicago and St. Louis NE NERFINISHED

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: Illinois Central main line between Chicago and St. Louis | Statement: [Green Diamond, operatedOnLine, Illinois Central main line between Chicago and St. Louis]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Illinois Central main line between Chicago and St. Louis
Context triple: [Green Diamond, operatedOnLine, Illinois Central main line between Chicago and St. Louis]
  • A. Illinois Central Railroad main line chosen
    The Illinois Central Railroad main line was a major north–south rail corridor in the central United States, historically linking Chicago with the Gulf of Mexico and serving as a key route for both passenger and freight traffic.
  • B. Chicago–Omaha main line
    The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
  • C. Chicago–St. Louis rail corridor
    The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
  • D. Illinois Central Corridor
    The Illinois Central Corridor is a segment of the Constitution Trail that follows the former Illinois Central Railroad route through Bloomington-Normal, Illinois.
  • E. Chicago and North Western Railway corridor
    The Chicago and North Western Railway corridor is a former Midwestern railroad route whose abandoned right-of-way has been repurposed in places, such as in Iowa, for recreational trails and other community uses.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0c464fba881908d0ff2ac80511ce1 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69ef5214e72c8190af109089f58fca4f completed April 27, 2026, 12:09 p.m.
Created at: April 16, 2026, 6:34 p.m.