Triple

T13441348
Position Surface form Disambiguated ID Type / Status
Subject State Street Subway E320367 entity
Predicate hasStation P35 FINISHED
Object Harrison (Red Line)
Harrison (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the State Street subway in downtown Chicago.
 E1052457 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: Harrison (Red Line) | Statement: [State Street Subway, hasStation, Harrison (Red Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harrison (Red Line)
Context triple: [State Street Subway, hasStation, Harrison (Red Line)]
  • A. Monroe (Red Line)
    Monroe (Red Line) is a Chicago 'L' rapid transit station in the Loop located in the median of State Street and served by the Red Line.
  • B. Addison (Brown Line)
    Addison is an elevated Chicago 'L' station on the CTA's Brown Line serving the North Center/Lincoln Square area.
  • C. Lake (Red Line)
    Lake (Red Line) is a Chicago 'L' rapid transit station in the Loop that serves the Red Line beneath State Street.
  • D. Grand (Red Line)
    Grand is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side.
  • E. Fourth Avenue Line
    The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
  • 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: Harrison (Red Line)
Triple: [State Street Subway, hasStation, Harrison (Red Line)]
Generated description
Harrison (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the State Street subway in downtown Chicago.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harrison (Red Line)
Target entity description: Harrison (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the State Street subway in downtown Chicago.
  • A. Monroe (Red Line)
    Monroe (Red Line) is a Chicago 'L' rapid transit station in the Loop located in the median of State Street and served by the Red Line.
  • B. Addison (Brown Line)
    Addison is an elevated Chicago 'L' station on the CTA's Brown Line serving the North Center/Lincoln Square area.
  • C. Lake (Red Line)
    Lake (Red Line) is a Chicago 'L' rapid transit station in the Loop that serves the Red Line beneath State Street.
  • D. Grand (Red Line)
    Grand is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side.
  • E. Fourth Avenue Line
    The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
  • 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_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_69f78ad5c68881908264947993bc7811 completed May 3, 2026, 5:50 p.m.
NEDg Description generation batch_69f78bd316788190a245e8199f6ac87b completed May 3, 2026, 5:54 p.m.
NED2 Entity disambiguation (via description) batch_69f78c94da6c8190b9bc1d04cee19c3c completed May 3, 2026, 5:57 p.m.
Created at: April 9, 2026, 9:40 p.m.