Triple

T19919726
Position Surface form Disambiguated ID Type / Status
Subject South Hills (Pittsburgh metropolitan area) E478756 entity
Predicate servedBy P82 FINISHED
Object South Hills Village light rail line — 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: South Hills Village light rail line | Statement: [South Hills (Pittsburgh metropolitan area), servedBy, South Hills Village light rail line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South Hills Village light rail line
Context triple: [South Hills (Pittsburgh metropolitan area), servedBy, South Hills Village light rail line]
  • A. South Hills Village light rail station chosen
    South Hills Village light rail station is a major Pittsburgh Regional Transit light rail terminus and park-and-ride hub serving the South Hills suburbs of Allegheny County, Pennsylvania.
  • B. Pittsburgh Light Rail Silver Line
    The Pittsburgh Light Rail Silver Line is a light rail service in Pittsburgh, Pennsylvania, that operates as part of the city's "T" system, connecting downtown with surrounding neighborhoods and suburbs.
  • C. Pittsburgh Light Rail Red Line
    The Pittsburgh Light Rail Red Line is a major light rail route in Pittsburgh, Pennsylvania, connecting downtown with several southern neighborhoods and suburbs.
  • D. 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.
  • E. 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.
  • 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.