Triple

T18382122
Position Surface form Disambiguated ID Type / Status
Subject Grand Avenue (Chicago) E446476 entity
Predicate hasPublicTransit P522 FINISHED
Object Grand station (Navy Pier stub of former streetcar/bus routes)
Grand station (Navy Pier stub of former streetcar/bus routes) was a former Chicago transit stop that served as a short-turn terminal for streetcar and later bus routes near Navy Pier along Grand Avenue.
 E1321565 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: Grand station (Navy Pier stub of former streetcar/bus routes) | Statement: [Grand Avenue (Chicago), hasPublicTransit, Grand station (Navy Pier stub of former streetcar/bus routes)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grand station (Navy Pier stub of former streetcar/bus routes)
Context triple: [Grand Avenue (Chicago), hasPublicTransit, Grand station (Navy Pier stub of former streetcar/bus routes)]
  • A. Grand station (Red Line)
    Grand station (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side, serving the busy River North and Magnificent Mile areas.
  • B. Division station (CTA Blue Line)
    Division station (CTA Blue Line) is a Chicago 'L' subway station on the Blue Line serving the Wicker Park neighborhood.
  • C. Grand station (Blue Line)
    Grand station (Blue Line) is a Chicago 'L' rapid transit station on the Blue Line serving the Near West Side near the Fulton Market and West Loop areas.
  • D. Red Line (CTA) stations
    Red Line (CTA) stations are the train stops along Chicago's busiest rapid transit route, running north–south through the city and serving key neighborhoods and destinations.
  • E. Main Street station
    Main Street station is a Toronto Transit Commission subway station in the city's east end that serves as a local hub for the Bloor–Danforth line and nearby surface transit routes.
  • 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: Grand station (Navy Pier stub of former streetcar/bus routes)
Triple: [Grand Avenue (Chicago), hasPublicTransit, Grand station (Navy Pier stub of former streetcar/bus routes)]
Generated description
Grand station (Navy Pier stub of former streetcar/bus routes) was a former Chicago transit stop that served as a short-turn terminal for streetcar and later bus routes near Navy Pier along Grand Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grand station (Navy Pier stub of former streetcar/bus routes)
Target entity description: Grand station (Navy Pier stub of former streetcar/bus routes) was a former Chicago transit stop that served as a short-turn terminal for streetcar and later bus routes near Navy Pier along Grand Avenue.
  • A. Grand station (Red Line)
    Grand station (Red Line) is a Chicago 'L' rapid transit station on the Red Line located in the city's Near North Side, serving the busy River North and Magnificent Mile areas.
  • B. Division station (CTA Blue Line)
    Division station (CTA Blue Line) is a Chicago 'L' subway station on the Blue Line serving the Wicker Park neighborhood.
  • C. Grand station (Blue Line)
    Grand station (Blue Line) is a Chicago 'L' rapid transit station on the Blue Line serving the Near West Side near the Fulton Market and West Loop areas.
  • D. Red Line (CTA) stations
    Red Line (CTA) stations are the train stops along Chicago's busiest rapid transit route, running north–south through the city and serving key neighborhoods and destinations.
  • E. Main Street station
    Main Street station is a Toronto Transit Commission subway station in the city's east end that serves as a local hub for the Bloor–Danforth line and nearby surface transit routes.
  • 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_69d8b9f370b88190b1e5081c2c238e7f completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e5179b60f88190adf39e85375bd11b completed April 19, 2026, 5:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a03d782cb54819091b847cdeb98ed5c completed May 13, 2026, 1:44 a.m.
NEDg Description generation batch_6a03d8adc00c81908ca0a4825a2bcea1 completed May 13, 2026, 1:49 a.m.
NED2 Entity disambiguation (via description) batch_6a03da59c1b081908d9488233c611586 completed May 13, 2026, 1:56 a.m.
Created at: April 10, 2026, 10:45 a.m.