Triple

T5083205
Position Surface form Disambiguated ID Type / Status
Subject Chicago, Burlington and Quincy Railroad E114572 entity
Predicate operatedRoute P18593 FINISHED
Object Chicago–Twin Cities route
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.
E492680 NE FINISHED

How this triple was built (4 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, Burlington and Quincy Railroad, operatedRoute, 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, Burlington and Quincy Railroad, operatedRoute, Chicago–Twin Cities route]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Iowa City–Cedar Rapids Corridor
    The Iowa City–Cedar Rapids Corridor is a metropolitan region in eastern Iowa centered around the cities of Iowa City and Cedar Rapids, known for its intertwined economies, universities, and growing tech and service industries.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chicago–Twin Cities route
Triple: [Chicago, Burlington and Quincy Railroad, operatedRoute, Chicago–Twin Cities route]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago–Twin Cities route
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Iowa City–Cedar Rapids Corridor
    The Iowa City–Cedar Rapids Corridor is a metropolitan region in eastern Iowa centered around the cities of Iowa City and Cedar Rapids, known for its intertwined economies, universities, and growing tech and service industries.
  • F. None of above. chosen

Provenance (5 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_69bd443dbf908190a9401e9c2dc7bd7d completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd7517af308190bab5507a9344bf68 completed March 20, 2026, 4:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69beb135912c81909dd32d21b604e1b1 completed March 21, 2026, 2:54 p.m.
NEDg Description generation batch_69beb3ea65b081908efa86e273f50da9 completed March 21, 2026, 3:06 p.m.
NED2 Entity disambiguation (via description) batch_69beb44cd56c81909faf4c6485169315 completed March 21, 2026, 3:07 p.m.
Created at: March 20, 2026, 1:39 p.m.