Triple

T4903703
Position Surface form Disambiguated ID Type / Status
Subject Mt. Lebanon E109863 entity
Predicate hasPublicTransit P522 FINISHED
Object Pittsburgh Regional Transit light rail 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 Transit light rail | Statement: [Mt. Lebanon, hasPublicTransit, Pittsburgh Regional Transit light rail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pittsburgh Regional Transit light rail
Context triple: [Mt. Lebanon, hasPublicTransit, Pittsburgh Regional Transit light rail]
  • 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. Pottstown Area Rapid Transit
    Pottstown Area Rapid Transit is the public bus transportation system serving residents and visitors in and around Pottstown, Pennsylvania.
  • C. Allegheny Station (Pittsburgh Light Rail)
    Allegheny Station is a Pittsburgh Light Rail stop on the North Shore that serves major nearby destinations including Acrisure Stadium.
  • D. Baltimore Light Rail
    Baltimore Light Rail is a regional light rail transit system serving Baltimore, Maryland, and its surrounding suburbs.
  • E. Cleveland RTA Red Line
    The Cleveland RTA Red Line is a heavy rail rapid transit route in Cleveland, Ohio, running between Cleveland Hopkins International Airport and the city’s east side via downtown.
  • 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_69bd441180708190ba42ffb44fea533a completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6e6fdeac81909092f51ae40ad20e completed March 20, 2026, 3:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69be6fd6ce008190ae7897bc58a2e786 completed March 21, 2026, 10:15 a.m.
Created at: March 20, 2026, 1:29 p.m.