Triple

T7615154
Position Surface form Disambiguated ID Type / Status
Subject Providence/Stoughton Line E172343 entity
Predicate usesRailway P15040 FINISHED
Object 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: Northeast Corridor | Statement: [Providence/Stoughton Line, usesRailway, Northeast Corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northeast Corridor
Context triple: [Providence/Stoughton Line, usesRailway, 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. Southeast Corridor
    The Southeast Corridor is a key passenger rail route in the southeastern United States served by Amtrak’s Carolinian train.
  • C. New York–Scranton corridor
    The New York–Scranton corridor is a historically significant rail route linking New York City with Scranton, Pennsylvania, that served as a key passenger and freight artery in the northeastern United States.
  • D. 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.
  • E. Midwest–Northeast corridor
    The Midwest–Northeast corridor is a major U.S. passenger rail route linking Chicago with key cities in the Northeastern United States.
  • 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: usesRailway
Context triple: [Providence/Stoughton Line, usesRailway, Northeast Corridor]
  • A. usesRailInfrastructureOf chosen
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • B. railwayUse
    Indicates that something is used as, or functions in the capacity of, a railway or rail-based transportation facility.
  • C. isOnRailway
    Indicates that one entity is positioned on, aligned with, or traveling along a railway track or railway system in relation to another entity.
  • D. hasRailSystem
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • E. railwayAccess
    Indicates that an entity has direct access to, connection with, or service by a railway line or station.
  • 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_69c6994f50808190ba228764bb422417 completed March 27, 2026, 2:50 p.m.
NER Named-entity recognition batch_69c6fa4392e881908ed1ab3f64b41600 completed March 27, 2026, 9:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8686d16808190bc431c43c0928f6e completed March 28, 2026, 11:46 p.m.
PD Predicate disambiguation batch_69c6f4e485f88190910b39da52a955fe completed March 27, 2026, 9:21 p.m.
Created at: March 27, 2026, 3:55 p.m.