Triple

T12919436
Position Surface form Disambiguated ID Type / Status
Subject WM Class I-2 2-10-0 E309074 entity
Predicate category P87 FINISHED
Object Western Maryland Railway locomotives E63864 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: Western Maryland Railway locomotives | Statement: [WM Class I-2 2-10-0, category, Western Maryland Railway locomotives]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Western Maryland Railway locomotives
Context triple: [WM Class I-2 2-10-0, category, Western Maryland Railway locomotives]
  • A. Western Maryland Railway chosen
    Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
  • B. Baltimore and Ohio Railroad locomotives
    Baltimore and Ohio Railroad locomotives are the various steam and later diesel and electric engines that powered one of the United States’ earliest and most historically significant railroads.
  • C. Western Maryland Scenic Railroad
    The Western Maryland Scenic Railroad is a heritage tourist railway in Maryland that operates vintage trains through the scenic Allegheny Mountains, preserving and showcasing regional rail history.
  • D. Maryland Midland Railway
    Maryland Midland Railway is a regional short-line freight railroad operating in central Maryland and southern Pennsylvania, connecting local industries to the broader North American rail network.
  • E. Baltimore and Ohio Railroad Martinsburg Shops
    The Baltimore and Ohio Railroad Martinsburg Shops are a historic 19th-century railroad complex in Martinsburg, West Virginia, significant for its role in early American railroading and the Civil War.
  • 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_69d7bdf92b588190acdf2a2291ac4590 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d971e6d9fc8190b8a5244b26b5f78a completed April 10, 2026, 9:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6af5ffcc48190bf93ce32e4aecfcd completed May 3, 2026, 2:13 a.m.
Created at: April 9, 2026, 5:41 p.m.