Triple

T13498372
Position Surface form Disambiguated ID Type / Status
Subject ACS-64 E320818 entity
Predicate designedFor P98 FINISHED
Object Northeast Corridor electrification system E123485 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 electrification system | Statement: [ACS-64, designedFor, Northeast Corridor electrification system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northeast Corridor electrification system
Context triple: [ACS-64, designedFor, Northeast Corridor electrification system]
  • A. Northeast Corridor electrified services chosen
    Northeast Corridor electrified services are high-speed, overhead-wire-powered passenger rail operations along the busy Boston–Washington, D.C. corridor, primarily using electric locomotives and electric multiple units rather than bi-level Superliner cars.
  • B. Northeast Corridor Improvement Program
    The Northeast Corridor Improvement Program was a major U.S. rail infrastructure initiative launched in the 1970s to modernize and upgrade the heavily used passenger rail line between Boston, New York, and Washington, D.C.
  • C. Mattapan High-Speed Line
    The Mattapan High-Speed Line is a light rail transit line in Boston, Massachusetts, operating historic trolley cars between Ashmont and Mattapan stations as part of the MBTA system.
  • D. Amtrak Next-Generation High-Speed Rail Program
    The Amtrak Next-Generation High-Speed Rail Program is an initiative to modernize and expand high-speed passenger rail service in the United States, particularly along the Northeast Corridor, through new trainsets, infrastructure upgrades, and improved travel times.
  • E. 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.
  • 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_69d807629d6c8190998f1b9bb12d2ed0 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbaf4fab688190bdc746985b0c7338 completed April 12, 2026, 2:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69f75485af6c8190a43ccab5449f5014 completed May 3, 2026, 1:58 p.m.
Created at: April 9, 2026, 9:43 p.m.