Triple

T2105477
Position Surface form Disambiguated ID Type / Status
Subject Newton Centre station E37183 entity
Predicate formerRailroadLine P20480 FINISHED
Object Boston and Albany Railroad
The Boston and Albany Railroad was a historic rail line that connected Boston, Massachusetts to Albany, New York, playing a major role in 19th- and early 20th-century transportation and commerce in the region.
E233762 NE FINISHED

How this triple was built (5 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: Boston and Albany Railroad | Statement: [Newton Centre station, formerRailroadLine, Boston and Albany Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boston and Albany Railroad
Context triple: [Newton Centre station, formerRailroadLine, Boston and Albany Railroad]
  • A. Boston and Maine Railroad
    The Boston and Maine Railroad was a major New England railroad that operated extensive passenger and freight services across Massachusetts, New Hampshire, Maine, and surrounding states from the 19th through the mid-20th century.
  • B. Fitchburg Railroad
    The Fitchburg Railroad was a historic New England rail line that operated across Massachusetts and into Vermont, later becoming part of the Boston and Maine Railroad system.
  • C. Boston and Lowell Railroad
    The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
  • D. New York, Westchester and Boston Railway
    The New York, Westchester and Boston Railway was an early 20th-century electric commuter railroad serving the Bronx and Westchester County, later partially incorporated into the New York City Subway system.
  • E. 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.
  • 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: Boston and Albany Railroad
Triple: [Newton Centre station, formerRailroadLine, Boston and Albany Railroad]
Generated description
The Boston and Albany Railroad was a historic rail line that connected Boston, Massachusetts to Albany, New York, playing a major role in 19th- and early 20th-century transportation and commerce in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Boston and Albany Railroad
Target entity description: The Boston and Albany Railroad was a historic rail line that connected Boston, Massachusetts to Albany, New York, playing a major role in 19th- and early 20th-century transportation and commerce in the region.
  • A. Boston and Maine Railroad
    The Boston and Maine Railroad was a major New England railroad that operated extensive passenger and freight services across Massachusetts, New Hampshire, Maine, and surrounding states from the 19th through the mid-20th century.
  • B. Fitchburg Railroad
    The Fitchburg Railroad was a historic New England rail line that operated across Massachusetts and into Vermont, later becoming part of the Boston and Maine Railroad system.
  • C. Boston and Lowell Railroad
    The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
  • D. New York, Westchester and Boston Railway
    The New York, Westchester and Boston Railway was an early 20th-century electric commuter railroad serving the Bronx and Westchester County, later partially incorporated into the New York City Subway system.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: formerRailroadLine
Context triple: [Newton Centre station, formerRailroadLine, Boston and Albany Railroad]
  • A. formerRailwayLine chosen
    Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
  • B. formerRailroad
    Indicates that an entity was previously a railroad but no longer functions as one.
  • C. followsFormerRailroad
    Indicates that something is aligned with or traces the route of a former railroad line.
  • D. originalRailroadName
    Indicates the name of the railroad as it was originally known or designated, before any later changes such as mergers, rebrandings, or renamings.
  • E. railwayLine
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • F. None of above.

Provenance (6 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_69a8861828948190924aa30c08806b3a completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69abbadcd4a081909d60b9b241950335 completed March 7, 2026, 5:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae306bee8881908c62306fb1f6aea1 completed March 9, 2026, 2:29 a.m.
NEDg Description generation batch_69ae30e1c7488190acd6d29c5ad10c33 completed March 9, 2026, 2:30 a.m.
NED2 Entity disambiguation (via description) batch_69ae316398488190b9dd38145d5488b4 completed March 9, 2026, 2:33 a.m.
PD Predicate disambiguation batch_69abb7b7b6288190afa11b4d93bd5666 completed March 7, 2026, 5:29 a.m.
Created at: March 4, 2026, 7:43 p.m.