Triple

T2111855
Position Surface form Disambiguated ID Type / Status
Subject Palmetto (train) E42520 entity
Predicate trackOwnerOnSection P2567 FINISHED
Object Amtrak Northeast Corridor E2775 NE FINISHED

How this triple was built (3 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 | Statement: [Palmetto (train), trackOwnerOnSection, Amtrak Northeast Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Northeast Corridor
Context triple: [Palmetto (train), trackOwnerOnSection, Amtrak Northeast Corridor]
  • A. 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.
  • B. Amtrak Northeast Regional
    Amtrak Northeast Regional is a passenger rail service that provides frequent intercity connections between major cities in the northeastern United States, including Boston, New York, Philadelphia, and Washington, D.C.
  • C. Amtrak Northeast Corridor routes
    Amtrak Northeast Corridor routes are the heavily traveled passenger rail lines connecting major cities from Boston through New York and Philadelphia to Washington, D.C., forming the busiest and most important rail corridor in the United States.
  • D. 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.
  • E. InterCity East Coast
    InterCity East Coast was a British Rail sector brand that operated long-distance high-speed passenger services on the East Coast Main Line before rail privatization.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: trackOwnerOnSection
Context triple: [Palmetto (train), trackOwnerOnSection, Amtrak Northeast Corridor]
  • A. ownerOfSomeTrack
    Indicates that an entity has ownership of at least one track (such as a song, audio track, or similar item).
  • B. usesTrackOwnedBy chosen
    Indicates that an entity makes use of a track (e.g., route, path, or rail line) that is owned by another specified entity.
  • C. tracksSector
    Indicates that one entity monitors, follows, or keeps records of the status or performance of a particular sector.
  • D. track
    Indicates that one entity follows, monitors, or keeps a record of another entity’s state, behavior, or progress over time.
  • E. ownedBy
    Indicates that one entity possesses legal or rightful ownership of another entity.
  • F. None of above.

Provenance (4 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_69a8871040f08190aac2e2d0ab6b47ad completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abbb0369a88190af02f0e4e05e2511 completed March 7, 2026, 5:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae5d8bffd0819095629956f9584222 completed March 9, 2026, 5:41 a.m.
PD Predicate disambiguation batch_69abb7ba08948190a3c236bb53ee4257 completed March 7, 2026, 5:29 a.m.
Created at: March 4, 2026, 7:43 p.m.