Triple

T3521202
Position Surface form Disambiguated ID Type / Status
Subject Lake station E74424 entity
Predicate hasAdjacentStation P231 FINISHED
Object 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.
 E364274 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 (Red Line) | Statement: [Lake station, hasAdjacentStation, Grand station (Red Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grand station (Red Line)
Context triple: [Lake station, hasAdjacentStation, Grand station (Red Line)]
  • A. Belmont station (CTA Red Line)
    Belmont station (CTA Red Line) is a major Chicago 'L' rapid transit hub in the Lakeview neighborhood where the Red, Brown, and Purple Lines converge.
  • B. CTA Red Line Sox–35th station
    CTA Red Line Sox–35th station is a Chicago Transit Authority rapid transit stop on the Red Line that serves the Bridgeport neighborhood and provides access to the Chicago White Sox’s home ballpark.
  • C. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • D. Washington Street station
    Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
  • E. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • 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 (Red Line)
Triple: [Lake station, hasAdjacentStation, Grand station (Red Line)]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grand station (Red Line)
Target entity description: 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.
  • A. Belmont station (CTA Red Line)
    Belmont station (CTA Red Line) is a major Chicago 'L' rapid transit hub in the Lakeview neighborhood where the Red, Brown, and Purple Lines converge.
  • B. CTA Red Line Sox–35th station
    CTA Red Line Sox–35th station is a Chicago Transit Authority rapid transit stop on the Red Line that serves the Bridgeport neighborhood and provides access to the Chicago White Sox’s home ballpark.
  • C. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • D. Washington Street station
    Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
  • E. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • 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_69ad85d0c5488190a3d8e02ebd01a1aa completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbc4c6ac8819096e9c773f3cccbfb completed March 8, 2026, 6:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69b37e87c7948190901d98f34e3987eb completed March 13, 2026, 3:03 a.m.
NEDg Description generation batch_69b37f13d5e881908eaa05b11e493e8b completed March 13, 2026, 3:05 a.m.
NED2 Entity disambiguation (via description) batch_69b37f703ff081908a9aa3588da52d76 completed March 13, 2026, 3:07 a.m.
Created at: March 8, 2026, 3:19 p.m.