Triple

T19919877
Position Surface form Disambiguated ID Type / Status
Subject Mt. Lebanon station E478761 entity
Predicate owner P347 FINISHED
Object Pittsburgh Regional Transit — NE NERFINISHED

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 Transit | Statement: [Mt. Lebanon station, owner, Pittsburgh Regional Transit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pittsburgh Regional Transit
Context triple: [Mt. Lebanon station, owner, Pittsburgh Regional Transit]
  • 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. Lorain County Transit
    Lorain County Transit is a regional public transportation agency serving communities in and around Lorain County, Ohio.
  • C. Pottstown Area Rapid Transit
    Pottstown Area Rapid Transit is the public bus transportation system serving residents and visitors in and around Pottstown, Pennsylvania.
  • D. 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.
  • E. Pittsburgh Regional Transit East Busway network
    The Pittsburgh Regional Transit East Busway network is a dedicated bus rapid transit corridor in Pittsburgh that provides fast, limited-stop service between the city’s eastern neighborhoods and downtown.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d8e521855c8190b41871700afc8d6a completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e659c49d408190b3a42bada3675133 completed April 20, 2026, 4:52 p.m.
Created at: April 10, 2026, 1:53 p.m.