Triple

T15976195
Position Surface form Disambiguated ID Type / Status
Subject Norfolk and Western Class A E387453 entity
Predicate notableUnit P304 FINISHED
Object Norfolk and Western 1218
Norfolk and Western 1218 is a preserved Norfolk and Western Class A articulated steam locomotive renowned for its high-speed freight service and later operation in excursion service.
E387453 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: Norfolk and Western 1218 | Statement: [Norfolk and Western Class A, notableUnit, Norfolk and Western 1218]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Norfolk and Western 1218
Context triple: [Norfolk and Western Class A, notableUnit, Norfolk and Western 1218]
  • A. Norfolk and Western Class A
    Norfolk and Western Class A was a series of powerful articulated steam locomotives built for high-speed freight service on the Norfolk and Western Railway in the mid-20th century.
  • B. Norfolk and Western Class J
    The Norfolk and Western Class J was a famed series of streamlined 4-8-4 steam locomotives renowned for their power, efficiency, and elegant design, used primarily for high-speed passenger service in the mid-20th century United States.
  • C. Union Pacific No. 119
    Union Pacific No. 119 was the steam locomotive that represented the Union Pacific Railroad at the 1869 Golden Spike ceremony marking the completion of the First Transcontinental Railroad.
  • D. Heisler locomotive
    A Heisler locomotive is a type of geared steam locomotive, recognizable by its V‑twin cylinder arrangement and used primarily on logging and industrial railroads for hauling heavy loads over steep, rough track.
  • E. Atlantic SD 8176
    Atlantic SD 8176 is the original Atlantic Records LP catalog number for Aretha Franklin’s classic 1968 album "Lady Soul."
  • 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: Norfolk and Western 1218
Triple: [Norfolk and Western Class A, notableUnit, Norfolk and Western 1218]
Generated description
Norfolk and Western 1218 is a preserved Norfolk and Western Class A articulated steam locomotive renowned for its high-speed freight service and later operation in excursion service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Norfolk and Western 1218
Target entity description: Norfolk and Western 1218 is a preserved Norfolk and Western Class A articulated steam locomotive renowned for its high-speed freight service and later operation in excursion service.
  • A. Norfolk and Western Class A chosen
    Norfolk and Western Class A was a series of powerful articulated steam locomotives built for high-speed freight service on the Norfolk and Western Railway in the mid-20th century.
  • B. Norfolk and Western Class J
    The Norfolk and Western Class J was a famed series of streamlined 4-8-4 steam locomotives renowned for their power, efficiency, and elegant design, used primarily for high-speed passenger service in the mid-20th century United States.
  • C. Union Pacific No. 119
    Union Pacific No. 119 was the steam locomotive that represented the Union Pacific Railroad at the 1869 Golden Spike ceremony marking the completion of the First Transcontinental Railroad.
  • D. Heisler locomotive
    A Heisler locomotive is a type of geared steam locomotive, recognizable by its V‑twin cylinder arrangement and used primarily on logging and industrial railroads for hauling heavy loads over steep, rough track.
  • E. Atlantic SD 8176
    Atlantic SD 8176 is the original Atlantic Records LP catalog number for Aretha Franklin’s classic 1968 album "Lady Soul."
  • F. None of above.

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_69d86da94ccc819083d187f5dc6a123e completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1575166d081909c5275c235c8ce0f completed April 16, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffc3c76c988190a2f2bb4b6ac5ef25 completed May 9, 2026, 11:31 p.m.
NEDg Description generation batch_69ffc49bfa088190a6291f560ca9bdb5 completed May 9, 2026, 11:34 p.m.
NED2 Entity disambiguation (via description) batch_69ffc538a5f0819097ea09f57d3cae35 completed May 9, 2026, 11:37 p.m.
Created at: April 10, 2026, 4:54 a.m.