Triple

T1893144
Position Surface form Disambiguated ID Type / Status
Subject BAL E41917 entity
Predicate onRailLine P848 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: [BAL, onRailLine, Amtrak Northeast Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Northeast Corridor
Context triple: [BAL, onRailLine, 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. 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.
  • D. 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.
  • E. Amtrak Maple Leaf
    Amtrak Maple Leaf is an intercity passenger train service operated by Amtrak between New York City and Toronto, Canada, running along the Hudson River and through upstate New York into Ontario.
  • 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: onRailLine
Context triple: [BAL, onRailLine, Amtrak Northeast Corridor]
  • A. railwayLine chosen
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • B. railLineOrigin
    Indicates that a rail line begins or originates from a specified location or point.
  • C. railwayLineRole
    Indicates the specific functional role or purpose that a railway line serves within a rail network or transportation system.
  • D. usesRailInfrastructureOf
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • E. subwayLine
    Indicates that there is a subway line connection or service relationship between the referenced entities.
  • 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_69a8864b6de0819098d089f6a1b910a7 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb1480a6c81909fcf5cce4c42fed4 completed March 7, 2026, 5:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69adf3ced4708190ba3d5131039691e8 completed March 8, 2026, 10:10 p.m.
PD Predicate disambiguation batch_69abafe7e7e88190b58c0df59187c0c2 completed March 7, 2026, 4:56 a.m.
Created at: March 4, 2026, 7:34 p.m.