Triple

T23317351
Position Surface form Disambiguated ID Type / Status
Subject Downeaster E590745 entity
Predicate managingAgency P86 FINISHED
Object Northern New England Passenger Rail Authority 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: Northern New England Passenger Rail Authority | Statement: [Downeaster, managingAgency, Northern New England Passenger Rail Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northern New England Passenger Rail Authority
Context triple: [Downeaster, managingAgency, Northern New England Passenger Rail Authority]
  • A. Northern New England Passenger Rail Authority chosen
    The Northern New England Passenger Rail Authority is a public agency that plans, manages, and oversees intercity passenger rail service in northern New England, including the Amtrak Downeaster corridor.
  • B. Central New England Railway
    The Central New England Railway was a regional railroad that operated in the northeastern United States, primarily serving communities in New York and New England during the late 19th and early 20th centuries.
  • C. Maine Central Railroad
    Maine Central Railroad was a major New England railroad that operated extensive freight and passenger services across Maine and neighboring states from the 19th through the 20th century.
  • D. New York, Providence and Boston Railroad
    The New York, Providence and Boston Railroad was a 19th-century rail line in southern New England that connected New York City with Providence and Boston as part of the region’s early intercity rail network.
  • E. Boston–Maine rail network
    The Boston–Maine rail network was a regional railroad system in New England that connected major cities and towns, notably linking Boston with communities throughout Maine and neighboring states.
  • 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_69e25d1d32188190948eb76909d1dcc3 completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f197828c408190ae071624e40de4cc completed April 29, 2026, 5:30 a.m.
Created at: April 17, 2026, 5:06 p.m.