Triple

T16052946
Position Surface form Disambiguated ID Type / Status
Subject Subway–Surface tunnel E389399 entity
Predicate isAlsoKnownAs P39 FINISHED
Object Subway–Surface Trolley tunnel E389399 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: Subway–Surface Trolley tunnel | Statement: [Subway–Surface tunnel, isAlsoKnownAs, Subway–Surface Trolley tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Subway–Surface Trolley tunnel
Context triple: [Subway–Surface tunnel, isAlsoKnownAs, Subway–Surface Trolley tunnel]
  • A. Subway–Surface tunnel chosen
    The Subway–Surface tunnel is an underground transit corridor in Philadelphia that carries several SEPTA trolley lines between West Philadelphia and Center City as part of the city’s light rail network.
  • B. Hudson–Bergen light rail tunnels
    The Hudson–Bergen light rail tunnels are a set of underground passages in northeastern New Jersey that carry the Hudson–Bergen Light Rail system beneath the Hudson River waterfront and surrounding urban areas.
  • C. Subway–Surface trolley concourse
    The Subway–Surface trolley concourse is an underground transit hub in Center City Philadelphia that facilitates transfers between the city’s subway and trolley lines.
  • D. Downtown Tunnel
    The Downtown Tunnel is a major underwater vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
  • E. Silver Line Transitway tunnel
    The Silver Line Transitway tunnel is an underground bus rapid transit corridor in Boston that carries MBTA Silver Line buses between South Station and the Seaport District.
  • 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_69d86dae698881908327ef2d67706cb9 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1836365688190b182f29bbb66127e completed April 17, 2026, 12:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffdbe2d87c8190ba7f16feb018e70c completed May 10, 2026, 1:14 a.m.
Created at: April 10, 2026, 4:56 a.m.