Triple

T7429179
Position Surface form Disambiguated ID Type / Status
Subject AC-11 E171444 entity
Predicate fleetNumbers P44071 FINISHED
Object SP 4245
SP 4245 is a Southern Pacific Railroad EMD AC-11 class articulated steam locomotive, part of a series of powerful cab-forward engines used primarily for heavy freight service over mountainous routes.
E662829 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: SP 4245 | Statement: [AC-11, fleetNumbers, SP 4245]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SP 4245
Context triple: [AC-11, fleetNumbers, SP 4245]
  • A. SR 427
    SR 427 is a Nevada state highway that serves as a connector route in the western part of the state, linking local communities and major roadways.
  • B. S-44
    S-44 is an International Hydrographic Organization standard that defines the accuracy and quality requirements for hydrographic surveys used in nautical charting and marine navigation.
  • C. S42 line
    The S42 line is a regional commuter rail service within the Zürich S-Bahn network, connecting suburban areas with the greater Zürich metropolitan region.
  • D. S45 line
    The S45 line is a Berlin S-Bahn route that connects the city's southeastern districts, including the airport area, with the wider urban rail network.
  • E. FR-42
    FR-42 is the ISO 3166-2 code designating the Loire department in central-eastern France.
  • 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: SP 4245
Triple: [AC-11, fleetNumbers, SP 4245]
Generated description
SP 4245 is a Southern Pacific Railroad EMD AC-11 class articulated steam locomotive, part of a series of powerful cab-forward engines used primarily for heavy freight service over mountainous routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SP 4245
Target entity description: SP 4245 is a Southern Pacific Railroad EMD AC-11 class articulated steam locomotive, part of a series of powerful cab-forward engines used primarily for heavy freight service over mountainous routes.
  • A. SR 427
    SR 427 is a Nevada state highway that serves as a connector route in the western part of the state, linking local communities and major roadways.
  • B. S-44
    S-44 is an International Hydrographic Organization standard that defines the accuracy and quality requirements for hydrographic surveys used in nautical charting and marine navigation.
  • C. S42 line
    The S42 line is a regional commuter rail service within the Zürich S-Bahn network, connecting suburban areas with the greater Zürich metropolitan region.
  • D. S45 line
    The S45 line is a Berlin S-Bahn route that connects the city's southeastern districts, including the airport area, with the wider urban rail network.
  • E. FR-42
    FR-42 is the ISO 3166-2 code designating the Loire department in central-eastern France.
  • 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_69c68a63491881909281f73d4d5643bf completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f3082f188190af5673d18ac7e87e completed March 27, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69c81f135a348190ae9edc02a19b2278 completed March 28, 2026, 6:33 p.m.
NEDg Description generation batch_69c81fffd8c0819080baa0bce5351111 completed March 28, 2026, 6:37 p.m.
NED2 Entity disambiguation (via description) batch_69c820a90ae08190b7872bc44085f4a3 completed March 28, 2026, 6:40 p.m.
Created at: March 27, 2026, 3:12 p.m.