Triple

T14773065
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Downeaster E347183 entity
Predicate fundingAgency P67 FINISHED
Object Northern New England Passenger Rail Authority
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.
E1119480 NE FINISHED

How this triple was built (4 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: [Amtrak Downeaster, fundingAgency, 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: [Amtrak Downeaster, fundingAgency, Northern New England Passenger Rail Authority]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. New England Central Railroad
    New England Central Railroad is a regional freight railroad operating primarily in New England, providing vital rail connections between local industries and the broader North American rail network.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Northern New England Passenger Rail Authority
Triple: [Amtrak Downeaster, fundingAgency, Northern New England Passenger Rail Authority]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Northern New England Passenger Rail Authority
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. New England Central Railroad
    New England Central Railroad is a regional freight railroad operating primarily in New England, providing vital rail connections between local industries and the broader North American rail network.
  • F. None of above. chosen

Provenance (5 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_69d822e9b9e08190bedcc31a163fda82 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69dec81485e08190be35baafcf22b6f2 completed April 14, 2026, 11:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69fe0cfd26fc81909fba39c8705437ed completed May 8, 2026, 4:19 p.m.
NEDg Description generation batch_69fe17fc37ec8190b2e9c786a5e7843e completed May 8, 2026, 5:06 p.m.
NED2 Entity disambiguation (via description) batch_69fe18786294819080ce5ee0d8af00c9 completed May 8, 2026, 5:08 p.m.
Created at: April 10, 2026, 1:31 a.m.