Triple

T17252067
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan Transit Authority of Harris County E418779 entity
Predicate operates P24 FINISHED
Object METRORail Purple Line E569597 NE FINISHED

How this triple was built (2 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 Purple Line | Statement: [Metropolitan Transit Authority of Harris County, operates, METRORail Purple Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: METRORail Purple Line
Context triple: [Metropolitan Transit Authority of Harris County, operates, METRORail Purple Line]
  • A. METRORail Purple Line chosen
    The METRORail Purple Line is a light rail line in Houston, Texas, serving southeastern neighborhoods and key destinations as part of the city’s METRORail transit system.
  • 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. Metrorail Blue Line
    The Metrorail Blue Line is a Washington, D.C. Metro rapid transit line that runs through the capital region, connecting key suburbs and urban centers across Virginia and the District of Columbia.
  • D. Metrorail Orange Line
    The Metrorail Orange Line is a rapid transit route in Miami-Dade County that connects Miami International Airport with key destinations across the metropolitan area as part of the county’s Metrorail system.
  • E. Metrorail Orange Line
    The Metrorail Orange Line is a Washington, D.C. Metro rapid transit line that runs east–west through the region, connecting downtown D.C. with Arlington, Fairfax County, and beyond.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d886d9ab108190b70edd8d17aa1204 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e42e694f788190a1c86e95264ed2fe completed April 19, 2026, 1:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a018c3ca3f08190b7da411a5638214e completed May 11, 2026, 7:58 a.m.
Created at: April 10, 2026, 5:39 a.m.