Triple

T15405151
Position Surface form Disambiguated ID Type / Status
Subject Port Authority of Allegheny County E368431 entity
Predicate operated P1688 FINISHED
Object Pittsburgh regional bus network E245518 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: Pittsburgh regional bus network | Statement: [Port Authority of Allegheny County, operated, Pittsburgh regional bus network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pittsburgh regional bus network
Context triple: [Port Authority of Allegheny County, operated, Pittsburgh regional bus network]
  • A. Pittsburgh Regional Transit chosen
    Pittsburgh Regional Transit is the primary public transportation agency serving the Pittsburgh metropolitan area, operating buses, light rail, and other transit services across the region.
  • B. Pittsburgh Light Rail
    Pittsburgh Light Rail is a light rail transit system serving Pittsburgh, Pennsylvania and its nearby neighborhoods, providing urban and commuter rail service including access to the city’s North Shore district.
  • C. Cincinnati Metro bus service
    Cincinnati Metro bus service is the primary public bus transit system serving Cincinnati and its surrounding communities, operated by the Southwest Ohio Regional Transit Authority.
  • D. Pittsburgh Light Rail subway trunk
    The Pittsburgh Light Rail subway trunk is the central underground segment of Pittsburgh’s light rail system that carries trains through the city’s downtown core.
  • E. Pittsburgh Light Rail Blue Line
    The Pittsburgh Light Rail Blue Line is a light rail service in Pittsburgh, Pennsylvania, that connects downtown with various southern suburbs as part of the Port Authority’s “T” system.
  • 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_69d85a16c68c819099c1b547fbc87b32 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e8fde64819082ec0c68df305561 completed April 16, 2026, 1:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff219de0f88190a914bfee5dde32c9 completed May 9, 2026, 11:59 a.m.
Created at: April 10, 2026, 3:20 a.m.