Triple

T20163260
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Next-Generation High-Speed Rail Program E491766 entity
Predicate relatedTo P37 FINISHED
Object Amtrak Northeast Corridor Improvement projects 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: Amtrak Northeast Corridor Improvement projects | Statement: [Amtrak Next-Generation High-Speed Rail Program, relatedTo, Amtrak Northeast Corridor Improvement projects]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Northeast Corridor Improvement projects
Context triple: [Amtrak Next-Generation High-Speed Rail Program, relatedTo, Amtrak Northeast Corridor Improvement projects]
  • A. Northeast Corridor Improvement Program chosen
    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.
  • B. LYNX Blue Line Northeast Corridor extension
    The LYNX Blue Line Northeast Corridor extension is a light rail expansion project in Charlotte, North Carolina, extending the existing Blue Line service to connect Uptown with the University City area and other northeastern neighborhoods.
  • C. Northeast Corridor electrified services
    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.
  • D. Northeast Corridor extension to Virginia
    The Northeast Corridor extension to Virginia is the southern continuation of Amtrak’s primary high-speed rail route, carrying intercity and commuter trains from Washington, D.C. through northern and central Virginia.
  • 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 (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_69da6266c6888190bc1a3ecf24814d34 completed April 11, 2026, 3:01 p.m.
NER Named-entity recognition batch_69e66841b7d88190af3606f762d87b24 completed April 20, 2026, 5:54 p.m.
Created at: April 11, 2026, 11:35 p.m.