Triple

T6314456
Position Surface form Disambiguated ID Type / Status
Subject Central Railroad of New Jersey E141580 entity
Predicate predecessor P97 FINISHED
Object Elizabethtown and Somerville Railroad
The Elizabethtown and Somerville Railroad was an early New Jersey railway line that later became part of the Central Railroad of New Jersey’s expanding regional network.
E583880 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: Elizabethtown and Somerville Railroad | Statement: [Central Railroad of New Jersey, predecessor, Elizabethtown and Somerville Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Elizabethtown and Somerville Railroad
Context triple: [Central Railroad of New Jersey, predecessor, Elizabethtown and Somerville Railroad]
  • A. 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.
  • B. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • C. Camden and Atlantic Railroad
    The Camden and Atlantic Railroad was a 19th-century rail line in southern New Jersey that played a key role in connecting Camden to the Atlantic coast and fostering regional development.
  • D. West Trenton Line
    The West Trenton Line is a commuter rail service in the Philadelphia region that connects Center City to West Trenton, New Jersey, as part of SEPTA's Regional Rail network.
  • E. Baltimore and Susquehanna Railroad
    The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming 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: Elizabethtown and Somerville Railroad
Triple: [Central Railroad of New Jersey, predecessor, Elizabethtown and Somerville Railroad]
Generated description
The Elizabethtown and Somerville Railroad was an early New Jersey railway line that later became part of the Central Railroad of New Jersey’s expanding regional network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Elizabethtown and Somerville Railroad
Target entity description: The Elizabethtown and Somerville Railroad was an early New Jersey railway line that later became part of the Central Railroad of New Jersey’s expanding regional network.
  • A. 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.
  • B. Cumberland Valley Railroad
    The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
  • C. Camden and Atlantic Railroad
    The Camden and Atlantic Railroad was a 19th-century rail line in southern New Jersey that played a key role in connecting Camden to the Atlantic coast and fostering regional development.
  • D. West Trenton Line
    The West Trenton Line is a commuter rail service in the Philadelphia region that connects Center City to West Trenton, New Jersey, as part of SEPTA's Regional Rail network.
  • E. Baltimore and Susquehanna Railroad
    The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming 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_69c008d13b8c8190be47d896eb735605 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c064a197488190946c4637b3c829a5 completed March 22, 2026, 9:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69c5e46feeec8190bdb39a48c92bacf1 completed March 27, 2026, 1:59 a.m.
NEDg Description generation batch_69c5ee04b2388190b36dc9bb23b4a18a completed March 27, 2026, 2:40 a.m.
NED2 Entity disambiguation (via description) batch_69c5ee780bb08190a97c90804f9c6b68 completed March 27, 2026, 2:42 a.m.
Created at: March 22, 2026, 4:28 p.m.