Triple

T5644618
Position Surface form Disambiguated ID Type / Status
Subject La Junta station E124353 entity
Predicate isPartOf P10 FINISHED
Object Amtrak Southwest Division
Amtrak Southwest Division is a regional operating division of Amtrak responsible for managing passenger rail services across portions of the southwestern United States.
E1072 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: Amtrak Southwest Division | Statement: [La Junta station, isPartOf, Amtrak Southwest Division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Southwest Division
Context triple: [La Junta station, isPartOf, Amtrak Southwest Division]
  • A. Amtrak California
    Amtrak California is a state-supported intercity passenger rail program in California that oversees and brands several regional Amtrak routes, including the Capitol Corridor, San Joaquins, and Pacific Surfliner.
  • B. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • C. Amtrak Piedmont
    Amtrak Piedmont is a state-supported passenger train service in North Carolina that operates between Raleigh and Charlotte, connecting several cities along the Piedmont corridor.
  • D. Amtrak Valley Flyer
    Amtrak Valley Flyer is a regional passenger rail service operated by Amtrak in New England, providing connections between western Massachusetts and central Connecticut as part of the broader Northeast rail network.
  • E. Amtrak Keystone Service
    Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
  • 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: Amtrak Southwest Division
Triple: [La Junta station, isPartOf, Amtrak Southwest Division]
Generated description
Amtrak Southwest Division is a regional operating division of Amtrak responsible for managing passenger rail services across portions of the southwestern United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Amtrak Southwest Division
Target entity description: Amtrak Southwest Division is a regional operating division of Amtrak responsible for managing passenger rail services across portions of the southwestern United States.
  • A. Amtrak California
    Amtrak California is a state-supported intercity passenger rail program in California that oversees and brands several regional Amtrak routes, including the Capitol Corridor, San Joaquins, and Pacific Surfliner.
  • B. Amtrak chosen
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • C. Amtrak Piedmont
    Amtrak Piedmont is a state-supported passenger train service in North Carolina that operates between Raleigh and Charlotte, connecting several cities along the Piedmont corridor.
  • D. Amtrak Valley Flyer
    Amtrak Valley Flyer is a regional passenger rail service operated by Amtrak in New England, providing connections between western Massachusetts and central Connecticut as part of the broader Northeast rail network.
  • E. Amtrak Keystone Service
    Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
  • 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_69c00824643c81909ffdb888a2d35189 completed March 22, 2026, 3:17 p.m.
NER Named-entity recognition batch_69c022a8eccc8190837d4705670dc25e completed March 22, 2026, 5:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69c07db3f0448190bfcb66f5af5dbf99 completed March 22, 2026, 11:39 p.m.
NEDg Description generation batch_69c086fb34fc8190a7c521d41555840e completed March 23, 2026, 12:19 a.m.
NED2 Entity disambiguation (via description) batch_69c087493f808190bec82872e44af85c completed March 23, 2026, 12:20 a.m.
Created at: March 22, 2026, 3:41 p.m.