Triple

T18594770
Position Surface form Disambiguated ID Type / Status
Subject USRA Light Mikado 2-8-2 E454463 entity
Predicate relatedDesign P23439 FINISHED
Object USRA Heavy Mikado 2-8-2 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: USRA Heavy Mikado 2-8-2 | Statement: [USRA Light Mikado 2-8-2, relatedDesign, USRA Heavy Mikado 2-8-2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: USRA Heavy Mikado 2-8-2
Context triple: [USRA Light Mikado 2-8-2, relatedDesign, USRA Heavy Mikado 2-8-2]
  • A. USRA Heavy Mikado 2-8-2 chosen
    The USRA Heavy Mikado 2-8-2 was a standardized World War I–era American steam freight locomotive design known for its robust construction, high tractive effort, and widespread use across multiple railroads.
  • B. USRA Light Mikado 2-8-2
    The USRA Light Mikado 2-8-2 was a widely used World War I–era American freight steam locomotive type designed for balanced performance and standardized construction across multiple railroads.
  • C. USRA Heavy Mountain 4-8-2
    The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
  • D. USRA Light Mountain 4-8-2
    The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
  • E. USRA 4-6-0 Ten‑Wheeler
    The USRA 4-6-0 Ten‑Wheeler is a standardized World War I–era American steam locomotive type with a 4-6-0 wheel arrangement, designed for versatile mixed-traffic service under the United States Railroad Administration.
  • 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_69d8d38ae7e081908a98df1251842402 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e545b8d76881909db1539c7150befb completed April 19, 2026, 9:14 p.m.
Created at: April 10, 2026, 11:44 a.m.