Triple

T7303333
Position Surface form Disambiguated ID Type / Status
Subject AC-8 E167911 entity
Predicate followedBy P78 FINISHED
Object Southern Pacific AC-9 E649259 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: Southern Pacific AC-9 | Statement: [AC-8, followedBy, Southern Pacific AC-9]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southern Pacific AC-9
Context triple: [AC-8, followedBy, Southern Pacific AC-9]
  • A. Southern Pacific AC-9 chosen
    The Southern Pacific AC-9 was a class of massive articulated 2-8-8-4 steam locomotives built in the late 1930s for the Southern Pacific Railroad, primarily used for heavy freight service across challenging western routes.
  • B. Southern Pacific AC-7
    The Southern Pacific AC-7 was a class of massive articulated cab-forward steam locomotives used by the Southern Pacific Railroad, notable for hauling heavy freight over steep mountain grades in the early 20th century.
  • C. Southern Pacific AC-11
    The Southern Pacific AC-11 was a class of massive articulated cab-forward steam locomotives used by the Southern Pacific Railroad, primarily designed for heavy freight service over steep mountain grades.
  • D. Southern Pacific GS-4
    The Southern Pacific GS-4 is a class of streamlined 4-8-4 "Northern" steam locomotives built in the 1940s for the Southern Pacific Railroad, renowned for their distinctive orange and red "Daylight" livery and high-speed passenger service.
  • E. Southern Pacific GS-3
    The Southern Pacific GS-3 was a class of streamlined 4-8-4 "Northern" type steam locomotives built in the late 1930s for high-speed passenger service on the Southern Pacific Railroad.
  • 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_69c6888c820881909fc68f689fe1c251 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6ebb2261c8190ae9095c8e110b528 completed March 27, 2026, 8:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7eee71f5c8190aaff605eeff07390 completed March 28, 2026, 3:08 p.m.
Created at: March 27, 2026, 3:01 p.m.