Triple

T16504117
Position Surface form Disambiguated ID Type / Status
Subject Washington (CTA Blue Line station) E400876 entity
Predicate adjacentStation P5707 FINISHED
Object Monroe (CTA Blue Line station)
Monroe is a Chicago Transit Authority Blue Line subway station located in downtown Chicago’s Loop, serving the city’s central business district.
 E1217459 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: Monroe (CTA Blue Line station) | Statement: [Washington (CTA Blue Line station), adjacentStation, Monroe (CTA Blue Line station)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Monroe (CTA Blue Line station)
Context triple: [Washington (CTA Blue Line station), adjacentStation, Monroe (CTA Blue Line station)]
  • A. Monroe (CTA Red Line station)
    Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
  • B. Howard station (CTA Red Line)
    Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
  • C. Monroe station (Red Line)
    Monroe station (Red Line) is an underground Chicago 'L' rapid transit station in the Loop, serving the Red Line beneath State Street.
  • D. Paulina station (CTA)
    Paulina station (CTA) was a former Chicago 'L' rapid transit station on the Brown Line located in the Lakeview neighborhood.
  • 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: Monroe (CTA Blue Line station)
Triple: [Washington (CTA Blue Line station), adjacentStation, Monroe (CTA Blue Line station)]
Generated description
Monroe is a Chicago Transit Authority Blue Line subway station located in downtown Chicago’s Loop, serving the city’s central business district.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Monroe (CTA Blue Line station)
Target entity description: Monroe is a Chicago Transit Authority Blue Line subway station located in downtown Chicago’s Loop, serving the city’s central business district.
  • A. Monroe (CTA Red Line station)
    Monroe is an underground Chicago 'L' station on the Red Line located in the downtown Loop area.
  • B. Howard station (CTA Red Line)
    Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
  • C. Monroe station (Red Line)
    Monroe station (Red Line) is an underground Chicago 'L' rapid transit station in the Loop, serving the Red Line beneath State Street.
  • D. Paulina station (CTA)
    Paulina station (CTA) was a former Chicago 'L' rapid transit station on the Brown Line located in the Lakeview neighborhood.
  • 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_69d88381f6148190819958a038be990e completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32e5100e48190a623d6ee2fefb87e completed April 18, 2026, 7:10 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0058305e308190a22cbd03daec53aa completed May 10, 2026, 10:04 a.m.
NEDg Description generation batch_6a005c0840608190bf3fa7a0501e9e8a completed May 10, 2026, 10:20 a.m.
NED2 Entity disambiguation (via description) batch_6a005c9d1a20819091a14490577d51ba completed May 10, 2026, 10:23 a.m.
Created at: April 10, 2026, 5:14 a.m.