Triple

T4992876
Position Surface form Disambiguated ID Type / Status
Subject Richmond Locomotive Works E112173 entity
Predicate servedMarket P2193 FINISHED
Object North American railroads E62345 NE FINISHED

How this triple was built (2 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: North American railroads | Statement: [Richmond Locomotive Works, servedMarket, North American railroads]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North American railroads
Context triple: [Richmond Locomotive Works, servedMarket, North American railroads]
  • A. North American rail network chosen
    The North American rail network is an extensive, interconnected system of freight and passenger rail lines spanning the United States, Canada, and Mexico, operated by multiple major and regional railroads.
  • B. North America’s Railroad
    North America’s Railroad is the motto of Canadian National Railway, emphasizing its extensive rail network spanning Canada and parts of the United States.
  • C. Appalachian railroads
    Appalachian railroads are the network of rail lines that traverse the Appalachian Mountains, historically crucial for transporting coal, timber, and other resources through this rugged region of the eastern United States.
  • D. Union Pacific mainline routes
    Union Pacific mainline routes are the railroad’s primary high-capacity freight corridors that carry long-distance trains across its network, including through major facilities like Bailey Yard.
  • E. Mexican railroads
    Mexican railroads comprise the national railway network of Mexico, historically vital for freight and passenger transport and now focused primarily on cargo services across the country and into the United States.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69bd441be7bc8190b530362d427b97d2 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd729d3d448190a414a003a75104f6 completed March 20, 2026, 4:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69be8a2d71c08190be1d3397585ca65c completed March 21, 2026, 12:08 p.m.
Created at: March 20, 2026, 1:34 p.m.