Triple

T19002635
Position Surface form Disambiguated ID Type / Status
Subject USRA Heavy Mountain 4-8-2 E464992 entity
Predicate designStandard P1587 FINISHED
Object USRA Heavy Mountain
The USRA Heavy Mountain was a standardized 4-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for heavy passenger and freight service.
E1353470 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: USRA Heavy Mountain | Statement: [USRA Heavy Mountain 4-8-2, designStandard, USRA Heavy Mountain]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: USRA Heavy Mountain
Context triple: [USRA Heavy Mountain 4-8-2, designStandard, USRA Heavy Mountain]
  • A. USRA Light Mountain
    The USRA Light Mountain was a standardized 4-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for efficient mixed-traffic service across multiple American railroads.
  • B. Walkersteel
    Walkersteel is a British steel company historically associated with industrial manufacturing and business interests in the UK.
  • C. Rockwilder
    Rockwilder is an American hip-hop and R&B record producer known for his hard-hitting, polished sound and collaborations with major artists across the late 1990s and 2000s.
  • D. Cool Ridge
    Cool Ridge is a small unincorporated community in Raleigh County, West Virginia, known for its rural setting in the Appalachian region.
  • E. USRA Light Mikado
    The USRA Light Mikado was a widely used standardized 2-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for freight service across multiple American railroads.
  • 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: USRA Heavy Mountain
Triple: [USRA Heavy Mountain 4-8-2, designStandard, USRA Heavy Mountain]
Generated description
The USRA Heavy Mountain was a standardized 4-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for heavy passenger and freight service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: USRA Heavy Mountain
Target entity description: The USRA Heavy Mountain was a standardized 4-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for heavy passenger and freight service.
  • A. USRA Light Mountain
    The USRA Light Mountain was a standardized 4-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for efficient mixed-traffic service across multiple American railroads.
  • B. Walkersteel
    Walkersteel is a British steel company historically associated with industrial manufacturing and business interests in the UK.
  • C. Rockwilder
    Rockwilder is an American hip-hop and R&B record producer known for his hard-hitting, polished sound and collaborations with major artists across the late 1990s and 2000s.
  • D. Cool Ridge
    Cool Ridge is a small unincorporated community in Raleigh County, West Virginia, known for its rural setting in the Appalachian region.
  • E. USRA Light Mikado
    The USRA Light Mikado was a widely used standardized 2-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for freight service across multiple American railroads.
  • 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_69d8dd01a56c81909694a128c66b21d7 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d6a252588190a40398b1879fb096 completed April 20, 2026, 7:32 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05b45dc7e88190a0bf79ea1bb18f99 completed May 14, 2026, 11:39 a.m.
NEDg Description generation batch_6a05b5dfac0c8190b67921280d5ab1fe completed May 14, 2026, 11:45 a.m.
NED2 Entity disambiguation (via description) batch_6a05b68cf4c0819082f461b002383a3f completed May 14, 2026, 11:48 a.m.
Created at: April 10, 2026, 12:01 p.m.