Triple

T21170141
Position Surface form Disambiguated ID Type / Status
Subject Capital Metropolitan Transportation Authority E521668 entity
Predicate operates P24 FINISHED
Object MetroRail Red Line — NE NERFINISHED

How this triple was built (3 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: MetroRail Red Line | Statement: [Capital Metropolitan Transportation Authority, operates, MetroRail Red Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MetroRail Red Line
Context triple: [Capital Metropolitan Transportation Authority, operates, MetroRail Red Line]
  • A. 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.
  • B. 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.
  • C. METRO Red Line
    The METRO Red Line is a bus rapid transit route in the Minneapolis–Saint Paul metropolitan area that provides high-frequency service primarily along the Cedar Avenue corridor.
  • D. 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.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MetroRail Red Line
Target entity description: MetroRail Red Line is a commuter rail service in the Austin, Texas area that provides regional passenger transportation along a north–south corridor.
  • A. 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.
  • B. 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.
  • C. METRO Red Line
    The METRO Red Line is a bus rapid transit route in the Minneapolis–Saint Paul metropolitan area that provides high-frequency service primarily along the Cedar Avenue corridor.
  • D. 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.
  • E. 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.
  • F. None of above. chosen

Provenance (2 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_69e0b50e30748190b186824a206d39b9 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e72712893081908e394ccc7e0cbb53 completed April 21, 2026, 7:28 a.m.
Created at: April 16, 2026, 3 p.m.