Triple

T10357885
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (St. Louis MetroLink) E244048 entity
Predicate hasStation P35 FINISHED
Object University City–Big Bend station
University City–Big Bend station is a St. Louis MetroLink light rail stop serving the Blue Line near Washington University and the University City area.
 E858545 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: University City–Big Bend station | Statement: [Blue Line (St. Louis MetroLink), hasStation, University City–Big Bend station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: University City–Big Bend station
Context triple: [Blue Line (St. Louis MetroLink), hasStation, University City–Big Bend station]
  • A. Las Colinas Urban Center station
    Las Colinas Urban Center station is a Dallas Area Rapid Transit (DART) light rail and bus station serving the Las Colinas business and residential district in Irving, Texas.
  • B. University City Boulevard station
    University City Boulevard station is a light rail stop on Charlotte's LYNX Blue Line serving the University City area near the University of North Carolina at Charlotte.
  • C. Prairie Crossing station
    Prairie Crossing station is a commuter rail stop in Grayslake, Illinois, serving Metra passengers traveling between Chicago and the surrounding suburban communities.
  • D. Willow Springs station
    Willow Springs station is a commuter rail stop in Willow Springs, Illinois, served by Metra’s Heritage Corridor line between Chicago and Joliet.
  • E. Baylor University Medical Center station
    Baylor University Medical Center station is a Dallas Area Rapid Transit (DART) light rail stop in Dallas, Texas, serving the nearby Baylor University Medical Center and surrounding area.
  • 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: University City–Big Bend station
Triple: [Blue Line (St. Louis MetroLink), hasStation, University City–Big Bend station]
Generated description
University City–Big Bend station is a St. Louis MetroLink light rail stop serving the Blue Line near Washington University and the University City area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: University City–Big Bend station
Target entity description: University City–Big Bend station is a St. Louis MetroLink light rail stop serving the Blue Line near Washington University and the University City area.
  • A. Las Colinas Urban Center station
    Las Colinas Urban Center station is a Dallas Area Rapid Transit (DART) light rail and bus station serving the Las Colinas business and residential district in Irving, Texas.
  • B. University City Boulevard station
    University City Boulevard station is a light rail stop on Charlotte's LYNX Blue Line serving the University City area near the University of North Carolina at Charlotte.
  • C. Prairie Crossing station
    Prairie Crossing station is a commuter rail stop in Grayslake, Illinois, serving Metra passengers traveling between Chicago and the surrounding suburban communities.
  • D. Willow Springs station
    Willow Springs station is a commuter rail stop in Willow Springs, Illinois, served by Metra’s Heritage Corridor line between Chicago and Joliet.
  • E. Baylor University Medical Center station
    Baylor University Medical Center station is a Dallas Area Rapid Transit (DART) light rail stop in Dallas, Texas, serving the nearby Baylor University Medical Center and surrounding area.
  • 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_69d381b22b8c8190aaed476be5f872a9 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4e9563ea48190b8702b3ef497ed9a completed April 7, 2026, 11:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69d750b02ae48190898f9f97ab19ce60 completed April 9, 2026, 7:09 a.m.
NEDg Description generation batch_69d7618ecb748190a492406eabe590d7 completed April 9, 2026, 8:21 a.m.
NED2 Entity disambiguation (via description) batch_69d77057affc8190b420e66560c3dfbd completed April 9, 2026, 9:24 a.m.
Created at: April 6, 2026, 11:58 a.m.