Triple

T2416991
Position Surface form Disambiguated ID Type / Status
Subject New York, New Haven and Hartford Railroad E52327 entity
Predicate formedByMergerOf P77 FINISHED
Object Hartford and New Haven Railroad
The Hartford and New Haven Railroad was a 19th-century rail line in Connecticut that later became part of the larger New York, New Haven and Hartford Railroad system.
E270728 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: Hartford and New Haven Railroad | Statement: [New York, New Haven and Hartford Railroad, formedByMergerOf, Hartford and New Haven Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hartford and New Haven Railroad
Context triple: [New York, New Haven and Hartford Railroad, formedByMergerOf, Hartford and New Haven Railroad]
  • A. New York, New Haven and Hartford Railroad
    The New York, New Haven and Hartford Railroad was a major railroad in the northeastern United States that operated extensive passenger and freight services across New England and into New York City during the late 19th and early 20th centuries.
  • B. New Haven–Springfield Line
    The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
  • C. New Haven Line
    The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
  • 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. 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.
  • 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: Hartford and New Haven Railroad
Triple: [New York, New Haven and Hartford Railroad, formedByMergerOf, Hartford and New Haven Railroad]
Generated description
The Hartford and New Haven Railroad was a 19th-century rail line in Connecticut that later became part of the larger New York, New Haven and Hartford Railroad system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hartford and New Haven Railroad
Target entity description: The Hartford and New Haven Railroad was a 19th-century rail line in Connecticut that later became part of the larger New York, New Haven and Hartford Railroad system.
  • A. New York, New Haven and Hartford Railroad
    The New York, New Haven and Hartford Railroad was a major railroad in the northeastern United States that operated extensive passenger and freight services across New England and into New York City during the late 19th and early 20th centuries.
  • B. New Haven–Springfield Line
    The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
  • C. New Haven Line
    The New Haven Line is a major commuter rail route in the northeastern United States that connects New York City with New Haven, Connecticut, serving numerous communities along the Long Island Sound corridor.
  • 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. 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.
  • 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_69ab495622948190bc6bc6e4cddaf645 completed March 6, 2026, 9:38 p.m.
NER Named-entity recognition batch_69abc94eafd481909eeff689e5bf5960 completed March 7, 2026, 6:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69af177ff6508190b549227f4cfd9876 completed March 9, 2026, 6:54 p.m.
NEDg Description generation batch_69af1aad7cf48190923ca22477614758 completed March 9, 2026, 7:08 p.m.
NED2 Entity disambiguation (via description) batch_69af1afeb07c8190a03b419d01a6ba8c completed March 9, 2026, 7:09 p.m.
Created at: March 6, 2026, 9:42 p.m.