Triple

T1232843
Position Surface form Disambiguated ID Type / Status
Subject New York Central Railroad E26481 entity
Predicate formedByMergerOf P77 FINISHED
Object Utica and Schenectady Railroad
The Utica and Schenectady Railroad was an early 19th-century rail line in upstate New York that became one of the key predecessors of the New York Central Railroad.
 E143909 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: Utica and Schenectady Railroad | Statement: [New York Central Railroad, formedByMergerOf, Utica and Schenectady Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Utica and Schenectady Railroad
Context triple: [New York Central Railroad, formedByMergerOf, Utica and Schenectady Railroad]
  • A. Albany and Schenectady Railroad
    The Albany and Schenectady Railroad was one of the early 19th-century rail lines in New York State that later became part of the New York Central Railroad system.
  • B. New York and Harlem Railroad
    The New York and Harlem Railroad was one of the earliest rail lines in New York State, forming a key part of the region’s 19th-century transportation network and later becoming a cornerstone of Cornelius Vanderbilt’s railroad empire.
  • C. Hudson and Manhattan Railroad
    The Hudson and Manhattan Railroad was an early 20th-century rapid transit system that operated tunnels and trains between Manhattan and New Jersey, forming the core of what is now the PATH system.
  • D. Lehigh and Hudson River Railway
    The Lehigh and Hudson River Railway was a regional American railroad that operated in the northeastern United States, primarily serving as a bridge line connecting major trunk railroads before its assets were absorbed into Conrail in 1976.
  • E. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
  • 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: Utica and Schenectady Railroad
Triple: [New York Central Railroad, formedByMergerOf, Utica and Schenectady Railroad]
Generated description
The Utica and Schenectady Railroad was an early 19th-century rail line in upstate New York that became one of the key predecessors of the New York Central Railroad.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Utica and Schenectady Railroad
Target entity description: The Utica and Schenectady Railroad was an early 19th-century rail line in upstate New York that became one of the key predecessors of the New York Central Railroad.
  • A. Albany and Schenectady Railroad
    The Albany and Schenectady Railroad was one of the early 19th-century rail lines in New York State that later became part of the New York Central Railroad system.
  • B. New York and Harlem Railroad
    The New York and Harlem Railroad was one of the earliest rail lines in New York State, forming a key part of the region’s 19th-century transportation network and later becoming a cornerstone of Cornelius Vanderbilt’s railroad empire.
  • C. Hudson and Manhattan Railroad
    The Hudson and Manhattan Railroad was an early 20th-century rapid transit system that operated tunnels and trains between Manhattan and New Jersey, forming the core of what is now the PATH system.
  • D. Lehigh and Hudson River Railway
    The Lehigh and Hudson River Railway was a regional American railroad that operated in the northeastern United States, primarily serving as a bridge line connecting major trunk railroads before its assets were absorbed into Conrail in 1976.
  • E. Sunbury and Erie Railroad
    The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
  • 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_69a4948571c88190a9191e451e6035fd completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4be5b40208190b115a6a344402caf completed March 1, 2026, 10:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac93bf346081908a36a25b6616009a completed March 7, 2026, 9:08 p.m.
NEDg Description generation batch_69ac943de3f0819085dff5ef12f01766 completed March 7, 2026, 9:10 p.m.
NED2 Entity disambiguation (via description) batch_69ac95c05ab081909db602d7bea73bf4 completed March 7, 2026, 9:16 p.m.
Created at: March 1, 2026, 7:47 p.m.