Triple

T4233836
Position Surface form Disambiguated ID Type / Status
Subject Jackson station (Blue Line) E94644 entity
Predicate hasTransferTo P17241 FINISHED
Object Jackson station (Red Line)
Jackson station (Red Line) is a Chicago 'L' subway station in the Loop that serves the Red Line and provides connections to multiple other CTA rail lines via underground pedestrian tunnels.
 E422013 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: Jackson station (Red Line) | Statement: [Jackson station (Blue Line), hasTransferTo, Jackson station (Red Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jackson station (Red Line)
Context triple: [Jackson station (Blue Line), hasTransferTo, Jackson station (Red Line)]
  • A. Jackson station (Blue Line)
    Jackson station (Blue Line) is an underground Chicago Transit Authority rapid transit stop in the Loop that serves the Blue Line trains running through downtown Chicago.
  • B. Washington Street station
    Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
  • C. 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.
  • D. Cleveland Circle station
    Cleveland Circle station is a light rail stop on the MBTA Green Line's C branch located in the Brighton neighborhood of Boston, Massachusetts.
  • E. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • 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: Jackson station (Red Line)
Triple: [Jackson station (Blue Line), hasTransferTo, Jackson station (Red Line)]
Generated description
Jackson station (Red Line) is a Chicago 'L' subway station in the Loop that serves the Red Line and provides connections to multiple other CTA rail lines via underground pedestrian tunnels.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jackson station (Red Line)
Target entity description: Jackson station (Red Line) is a Chicago 'L' subway station in the Loop that serves the Red Line and provides connections to multiple other CTA rail lines via underground pedestrian tunnels.
  • A. Jackson station (Blue Line)
    Jackson station (Blue Line) is an underground Chicago Transit Authority rapid transit stop in the Loop that serves the Blue Line trains running through downtown Chicago.
  • B. Washington Street station
    Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
  • C. 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.
  • D. Cleveland Circle station
    Cleveland Circle station is a light rail stop on the MBTA Green Line's C branch located in the Brighton neighborhood of Boston, Massachusetts.
  • E. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • 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_69b34537cc6481909cd0a96acbb33ef7 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b34e6705548190b695b3789d713b4a completed March 12, 2026, 11:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b596516fd88190b8497ccc7efc7f49 completed March 14, 2026, 5:09 p.m.
NEDg Description generation batch_69b59731bb588190a57d9c4ca92d3fbf completed March 14, 2026, 5:13 p.m.
NED2 Entity disambiguation (via description) batch_69b59788ef308190a34c2f23f22a7e4d completed March 14, 2026, 5:14 p.m.
Created at: March 12, 2026, 11:05 p.m.