Triple

T13441327
Position Surface form Disambiguated ID Type / Status
Subject State Street Subway E320367 entity
Predicate carriesLine P40070 FINISHED
Object Red Line
The Red Line is a major rapid transit route in Chicago's 'L' system, running north–south through the city and serving key downtown and neighborhood stations.
E15830 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: Red Line | Statement: [State Street Subway, carriesLine, Red Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Red Line
Context triple: [State Street Subway, carriesLine, Red Line]
  • A. Red Line
    The Red Line is one of the primary heavy-rail rapid transit routes in Atlanta’s MARTA system, running north–south and serving key destinations across the metropolitan area.
  • B. Red Line
    Red Line is one of the main rapid transit routes of the Dubai Metro, running along key areas of the city and serving many of its major commercial and residential districts.
  • C. Red Line
    The Red Line is a primary route of the MetroLink light rail system serving key destinations in the St. Louis metropolitan area.
  • D. Red Line
    The Red Line is one of the main lines of the Stockholm metro system, running from Norsborg and Fruängen in the southwest through central Stockholm to several northeastern suburbs.
  • E. Red Line
    The Red Line is one of the main light rail routes of Dublin’s Luas tram system, running east–west across the city and serving key central and suburban areas.
  • 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: Red Line
Triple: [State Street Subway, carriesLine, Red Line]
Generated description
The Red Line is a major rapid transit route in Chicago's 'L' system, running north–south through the city and serving key downtown and neighborhood stations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Red Line
Target entity description: The Red Line is a major rapid transit route in Chicago's 'L' system, running north–south through the city and serving key downtown and neighborhood stations.
  • A. Red Line chosen
    The Red Line is a major rapid transit route in Chicago that runs north–south through the city, serving as one of the busiest lines in its subway and elevated rail system.
  • B. Red Line
    The Red Line is a major rapid transit route in the Boston metropolitan area, operated by the MBTA and running primarily north–south through key neighborhoods and suburbs.
  • C. Red Line
    Red Line is a major rapid transit route in the Washington Metro system, running through key areas of Washington, D.C., and its Maryland suburbs.
  • D. Red Line
    The Red Line is a major rapid transit route serving Columbia, providing key north–south connections across the city.
  • E. Red Line
    The Red Line is one of the primary heavy-rail rapid transit routes in Atlanta’s MARTA system, running north–south and serving key destinations across the metropolitan area.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: carriesLine
Context triple: [State Street Subway, carriesLine, Red Line]
  • A. carriedByLine
    Indicates that something (such as a service, signal, or connection) is transported or conveyed via a particular line or conduit.
  • B. usesLineCharacteristic
    Indicates that one entity employs or is based on a specific characteristic or property of a line.
  • C. alsoCarries chosen
    Indicates that an entity, in addition to other items or responsibilities it has, carries another specified item or load as well.
  • D. supportsLine
    Indicates that one entity provides structural, functional, or conceptual backing or reinforcement to a particular line (such as a line of text, code, argument, or physical alignment).
  • E. hasCarriage
    Indicates that one entity possesses, is equipped with, or is accompanied by a carriage associated with it.
  • 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_69d80761e6cc8190a90c844589998ecc completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbaee704ac8190b4c7f4e0d3a88494 completed April 12, 2026, 2:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7461b0dd481908719fc4657bb92bb completed May 3, 2026, 12:56 p.m.
NEDg Description generation batch_69f74d4e40f481908502a9051ced02d5 completed May 3, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_69f74de805708190b0b383810ea34eed completed May 3, 2026, 1:30 p.m.
PD Predicate disambiguation batch_69d9a03926188190ab3948d1f5d3941f completed April 11, 2026, 1:13 a.m.
Created at: April 9, 2026, 9:40 p.m.