Triple

T6314457
Position Surface form Disambiguated ID Type / Status
Subject Central Railroad of New Jersey E141580 entity
Predicate predecessor P97 FINISHED
Object Somerville and Easton Railroad
The Somerville and Easton Railroad was a 19th-century rail line in New Jersey that later became part of the Central Railroad of New Jersey’s expanding regional network.
 E585887 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: Somerville and Easton Railroad | Statement: [Central Railroad of New Jersey, predecessor, Somerville and Easton Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Somerville and Easton Railroad
Context triple: [Central Railroad of New Jersey, predecessor, Somerville and Easton Railroad]
  • A. 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.
  • 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. Eastern Railroad (of Massachusetts)
    Eastern Railroad (of Massachusetts) was a 19th-century New England railroad company that operated routes north of Boston and later became part of the Boston and Maine Railroad system.
  • D. West Jersey and Seashore Railroad
    The West Jersey and Seashore Railroad was an early 20th-century railroad in southern New Jersey that provided key passenger and freight service to coastal and inland communities, including routes to popular seaside resorts.
  • 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: Somerville and Easton Railroad
Triple: [Central Railroad of New Jersey, predecessor, Somerville and Easton Railroad]
Generated description
The Somerville and Easton Railroad was a 19th-century rail line in New Jersey 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: Somerville and Easton Railroad
Target entity description: The Somerville and Easton Railroad was a 19th-century rail line in New Jersey that later became part of the Central Railroad of New Jersey’s expanding regional network.
  • A. 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.
  • 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. Eastern Railroad (of Massachusetts)
    Eastern Railroad (of Massachusetts) was a 19th-century New England railroad company that operated routes north of Boston and later became part of the Boston and Maine Railroad system.
  • D. West Jersey and Seashore Railroad
    The West Jersey and Seashore Railroad was an early 20th-century railroad in southern New Jersey that provided key passenger and freight service to coastal and inland communities, including routes to popular seaside resorts.
  • 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_69c6040337908190a10f7cd9c1264267 completed March 27, 2026, 4:13 a.m.
NEDg Description generation batch_69c6056435b481908a63a880b7bcd489 completed March 27, 2026, 4:19 a.m.
NED2 Entity disambiguation (via description) batch_69c605f2369c819080fd52282b20437e completed March 27, 2026, 4:22 a.m.
Created at: March 22, 2026, 4:28 p.m.