Triple

T8082192
Position Surface form Disambiguated ID Type / Status
Subject Illinois and Indiana E188641 entity
Predicate sharesTransportationCorridor P59961 FINISHED
Object Chicago–Indianapolis corridor
The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
E711102 NE FINISHED

How this triple was built (5 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–Indianapolis corridor | Statement: [Illinois and Indiana, sharesTransportationCorridor, Chicago–Indianapolis corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago–Indianapolis corridor
Context triple: [Illinois and Indiana, sharesTransportationCorridor, Chicago–Indianapolis corridor]
  • A. 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.
  • B. Chicago–La Grange corridor
    The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
  • 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. Chicago–Aurora corridor
    The Chicago–Aurora corridor is a heavily traveled suburban rail and commuter route linking downtown Chicago with the city of Aurora in Illinois.
  • E. New York–Chicago main line
    The New York–Chicago main line was a principal intercity rail corridor in the United States that connected the East Coast metropolis of New York City with the Midwestern hub of Chicago.
  • 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–Indianapolis corridor
Triple: [Illinois and Indiana, sharesTransportationCorridor, Chicago–Indianapolis corridor]
Generated description
The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago–Indianapolis corridor
Target entity description: The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
  • A. 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.
  • B. Chicago–La Grange corridor
    The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
  • 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. Chicago–Aurora corridor
    The Chicago–Aurora corridor is a heavily traveled suburban rail and commuter route linking downtown Chicago with the city of Aurora in Illinois.
  • E. New York–Chicago main line
    The New York–Chicago main line was a principal intercity rail corridor in the United States that connected the East Coast metropolis of New York City with the Midwestern hub of Chicago.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: sharesTransportationCorridor
Context triple: [Illinois and Indiana, sharesTransportationCorridor, Chicago–Indianapolis corridor]
  • A. transportCorridor
    Indicates a route or pathway used to move people, goods, or resources between locations.
  • B. formsTransportCorridorBetween
    Indicates that something creates or constitutes a transportation link or route connecting two locations or entities.
  • C. shareTransportInfrastructure chosen
    Indicates that multiple entities make joint use of the same transport infrastructure facilities or systems.
  • D. partOfTransportCorridorTo
    Indicates that one entity forms a component or segment of a larger transport corridor leading to another entity.
  • E. partOfEconomicCorridor
    Indicates that one entity is included within, or constitutes a segment of, a larger defined economic corridor.
  • F. None of above.

Provenance (6 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_69ca82b662e88190b9323daab8c28a21 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb40a699388190a5b8e26524ae43e5 completed March 31, 2026, 3:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc63fba1148190b8d0f04faa5330a1 completed April 1, 2026, 12:16 a.m.
NEDg Description generation batch_69cc651e3b4c81908408c9f08eca8e09 completed April 1, 2026, 12:21 a.m.
NED2 Entity disambiguation (via description) batch_69cc694d861c8190b504352c1fad2c36 completed April 1, 2026, 12:39 a.m.
PD Predicate disambiguation batch_69cb049f1614819087360d1a4c6f0faa completed March 30, 2026, 11:17 p.m.
Created at: March 30, 2026, 5:28 p.m.