Triple

T5243264
Position Surface form Disambiguated ID Type / Status
Subject Latrobe Amtrak station E118395 entity
Predicate formerOwner P347 FINISHED
Object Amtrak (station facility)
Amtrak (station facility) is the United States’ national passenger rail service operator that manages and maintains train stations and related passenger facilities across its network.
 E504660 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 (station facility) | Statement: [Latrobe Amtrak station, formerOwner, Amtrak (station facility)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Amtrak (station facility)
Context triple: [Latrobe Amtrak station, formerOwner, Amtrak (station facility)]
  • A. Jackson Amtrak station
    Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
  • B. Burlington station (Amtrak)
    Burlington station (Amtrak) is a historic passenger rail station in Burlington, Iowa, serving Amtrak trains along the Mississippi River corridor.
  • C. Amtrak Providence Station
    Amtrak Providence Station is a major intercity and commuter rail hub in downtown Providence, Rhode Island, serving Amtrak’s Northeast Corridor and MBTA commuter rail services.
  • D. Colfax Amtrak station
    Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • E. Madera Amtrak station
    Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
  • 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 (station facility)
Triple: [Latrobe Amtrak station, formerOwner, Amtrak (station facility)]
Generated description
Amtrak (station facility) is the United States’ national passenger rail service operator that manages and maintains train stations and related passenger facilities across its network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Amtrak (station facility)
Target entity description: Amtrak (station facility) is the United States’ national passenger rail service operator that manages and maintains train stations and related passenger facilities across its network.
  • A. Jackson Amtrak station
    Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
  • B. Burlington station (Amtrak)
    Burlington station (Amtrak) is a historic passenger rail station in Burlington, Iowa, serving Amtrak trains along the Mississippi River corridor.
  • C. Amtrak Providence Station
    Amtrak Providence Station is a major intercity and commuter rail hub in downtown Providence, Rhode Island, serving Amtrak’s Northeast Corridor and MBTA commuter rail services.
  • D. Colfax Amtrak station
    Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • E. Madera Amtrak station
    Madera Amtrak station is a passenger rail station in Madera, California, served by Amtrak’s San Joaquins route in the San Joaquin Valley.
  • 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_69bd4468aacc8190a8196f71855cdf4f completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7b4da7308190856cdcee9cca41eb completed March 20, 2026, 4:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69bef82f2738819080c5a0963f6dbbb0 completed March 21, 2026, 7:57 p.m.
NEDg Description generation batch_69bef909df208190b96b2a7a4a404f69 completed March 21, 2026, 8:01 p.m.
NED2 Entity disambiguation (via description) batch_69bef96ed108819084cc9e44ae415a6d completed March 21, 2026, 8:02 p.m.
Created at: March 20, 2026, 1:49 p.m.