Triple

T10357871
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (St. Louis MetroLink) E244048 entity
Predicate sharesTracksWith P5071 FINISHED
Object Red Line (St. Louis MetroLink)
The Red Line is one of the primary light rail routes in the St. Louis MetroLink system, running between Lambert–St. Louis International Airport and Shiloh-Scott in Illinois and serving many of the region’s key destinations.
 E858539 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: Red Line (St. Louis MetroLink) | Statement: [Blue Line (St. Louis MetroLink), sharesTracksWith, Red Line (St. Louis MetroLink)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Red Line (St. Louis MetroLink)
Context triple: [Blue Line (St. Louis MetroLink), sharesTracksWith, Red Line (St. Louis MetroLink)]
  • A. Blue Line (St. Louis MetroLink)
    The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
  • B. METRORail Red Line
    The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
  • C. Metro Red Line
    The Metro Red Line was the original heavy-rail subway corridor in Los Angeles that later became the basis for the current D Line service.
  • D. RTA Red Line
    The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
  • E. The Red Line
    The Red Line is an American television drama miniseries that follows the intersecting lives of three Chicago families after a white police officer shoots an unarmed Black doctor, and is known for starring Noah Wyle.
  • 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: Red Line (St. Louis MetroLink)
Triple: [Blue Line (St. Louis MetroLink), sharesTracksWith, Red Line (St. Louis MetroLink)]
Generated description
The Red Line is one of the primary light rail routes in the St. Louis MetroLink system, running between Lambert–St. Louis International Airport and Shiloh-Scott in Illinois and serving many of the region’s key destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Red Line (St. Louis MetroLink)
Target entity description: The Red Line is one of the primary light rail routes in the St. Louis MetroLink system, running between Lambert–St. Louis International Airport and Shiloh-Scott in Illinois and serving many of the region’s key destinations.
  • A. Blue Line (St. Louis MetroLink)
    The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
  • B. METRORail Red Line
    The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
  • C. Metro Red Line
    The Metro Red Line was the original heavy-rail subway corridor in Los Angeles that later became the basis for the current D Line service.
  • D. RTA Red Line
    The RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the Windermere station in East Cleveland.
  • E. The Red Line
    The Red Line is an American television drama miniseries that follows the intersecting lives of three Chicago families after a white police officer shoots an unarmed Black doctor, and is known for starring Noah Wyle.
  • 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.