Triple

T5560830
Position Surface form Disambiguated ID Type / Status
Subject Keystone Service E145760 entity
Predicate usesLine P1293 FINISHED
Object Northeast Corridor E2775 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: Northeast Corridor | Statement: [Keystone Service, usesLine, Northeast Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northeast Corridor
Context triple: [Keystone Service, usesLine, Northeast Corridor]
  • A. Northeast Corridor chosen
    The Northeast Corridor is the busiest passenger rail line in the United States, running primarily Amtrak and commuter trains along the urbanized spine of the East Coast between major cities such as Washington, D.C., Philadelphia, New York City, and Boston.
  • B. Amtrak Empire Corridor
    The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
  • C. Baltimore–Harrisburg corridor
    The Baltimore–Harrisburg corridor is a key Mid-Atlantic transportation and economic region linking Baltimore, Maryland with Harrisburg, Pennsylvania.
  • D. Philadelphia–Camden corridor
    The Philadelphia–Camden corridor is a major bi-state urban and transportation axis linking Philadelphia, Pennsylvania, with Camden, New Jersey, and surrounding communities.
  • E. Trans-Hudson rail network
    The Trans-Hudson rail network is a rapid transit system that connects New Jersey with Manhattan via tunnels under the Hudson River, primarily serving commuters traveling between the two states.
  • 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_69c008fcaf788190bafa02a1917ee73b completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c0201857848190a5443b51bcdb63fa completed March 22, 2026, 5 p.m.
NED1 Entity disambiguation (via context triple) batch_69c028424ddc8190869b530a8eb43f50 completed March 22, 2026, 5:34 p.m.
Created at: March 22, 2026, 3:36 p.m.