Triple

T19305328
Position Surface form Disambiguated ID Type / Status
Subject Union Bridge, Maryland E482810 entity
Predicate hasRailroadFacility P18851 FINISHED
Object Western Maryland Railway repair shops (historical) — NE NERFINISHED

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 repair shops (historical) | Statement: [Union Bridge, Maryland, hasRailroadFacility, Western Maryland Railway repair shops (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Western Maryland Railway repair shops (historical)
Context triple: [Union Bridge, Maryland, hasRailroadFacility, Western Maryland Railway repair shops (historical)]
  • A. 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.
  • B. 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.
  • C. Lehigh Valley Railroad shops (historic)
    The Lehigh Valley Railroad shops in Sayre are a historic complex of railroad maintenance and repair facilities that played a central role in the operations and growth of the Lehigh Valley Railroad in the late 19th and early 20th centuries.
  • 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. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8e8d04d5c8190baa816986f2b1d1e completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e604c744908190975c71a28acc96cc completed April 20, 2026, 10:49 a.m.
Created at: April 10, 2026, 1:31 p.m.