Triple

T17725858
Position Surface form Disambiguated ID Type / Status
Subject Chicago Transit Authority Green Line stations E442458 entity
Predicate hasStation P35 FINISHED
Object 35th–Bronzeville–IIT station
35th–Bronzeville–IIT station is an elevated Chicago 'L' stop serving the Bronzeville neighborhood and the Illinois Institute of Technology campus on the CTA Green Line.
E1284179 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: 35th–Bronzeville–IIT station | Statement: [Chicago Transit Authority Green Line stations, hasStation, 35th–Bronzeville–IIT station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 35th–Bronzeville–IIT station
Context triple: [Chicago Transit Authority Green Line stations, hasStation, 35th–Bronzeville–IIT station]
  • A. Morgan Park station
    Morgan Park station is a Metra commuter rail stop serving Chicago’s Morgan Park neighborhood on the city’s Far South Side.
  • B. Logan Square station
    Logan Square station is a Chicago Transit Authority Blue Line rapid transit station located in the Logan Square neighborhood of Chicago.
  • C. 54th/Cermak station
    54th/Cermak station is a Chicago 'L' rapid transit stop in Cicero, Illinois, serving as the western terminal of the CTA Pink Line.
  • D. Chicago (Brown Line) station
    Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
  • E. North/Clybourn station
    North/Clybourn station is a Chicago "L" rapid transit stop on the Red Line located near the intersection of North Avenue and Clybourn Avenue on the city's Near North Side.
  • 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: 35th–Bronzeville–IIT station
Triple: [Chicago Transit Authority Green Line stations, hasStation, 35th–Bronzeville–IIT station]
Generated description
35th–Bronzeville–IIT station is an elevated Chicago 'L' stop serving the Bronzeville neighborhood and the Illinois Institute of Technology campus on the CTA Green Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 35th–Bronzeville–IIT station
Target entity description: 35th–Bronzeville–IIT station is an elevated Chicago 'L' stop serving the Bronzeville neighborhood and the Illinois Institute of Technology campus on the CTA Green Line.
  • A. Morgan Park station
    Morgan Park station is a Metra commuter rail stop serving Chicago’s Morgan Park neighborhood on the city’s Far South Side.
  • B. Logan Square station
    Logan Square station is a Chicago Transit Authority Blue Line rapid transit station located in the Logan Square neighborhood of Chicago.
  • C. 54th/Cermak station
    54th/Cermak station is a Chicago 'L' rapid transit stop in Cicero, Illinois, serving as the western terminal of the CTA Pink Line.
  • D. Chicago (Brown Line) station
    Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
  • E. North/Clybourn station
    North/Clybourn station is a Chicago "L" rapid transit stop on the Red Line located near the intersection of North Avenue and Clybourn Avenue on the city's Near North Side.
  • 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_69d8b9ec79688190b86bdcef85a7b3aa completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e47489c59c8190bbffefad20dc6346 completed April 19, 2026, 6:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0230324c0881909ba7b299f16b5602 completed May 11, 2026, 7:38 p.m.
NEDg Description generation batch_6a0231f02cf48190ac513a7d218aca3b completed May 11, 2026, 7:45 p.m.
NED2 Entity disambiguation (via description) batch_6a0233cfe9388190a7786d88a432aa1f completed May 11, 2026, 7:53 p.m.
Created at: April 10, 2026, 10:07 a.m.