Triple

T3424310
Position Surface form Disambiguated ID Type / Status
Subject Colfax, California E72190 entity
Predicate hasRailStation P726 FINISHED
Object 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.
 E360395 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: Colfax Amtrak station | Statement: [Colfax, California, hasRailStation, Colfax Amtrak station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Colfax Amtrak station
Context triple: [Colfax, California, hasRailStation, Colfax Amtrak station]
  • 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. Springfield Amtrak station
    Springfield Amtrak station is a passenger rail station in downtown Springfield, Illinois, serving Amtrak trains on major routes through the region.
  • D. Meridian Union Station
    Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
  • 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: Colfax Amtrak station
Triple: [Colfax, California, hasRailStation, Colfax Amtrak station]
Generated description
Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Colfax Amtrak station
Target entity description: Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • 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. Springfield Amtrak station
    Springfield Amtrak station is a passenger rail station in downtown Springfield, Illinois, serving Amtrak trains on major routes through the region.
  • D. Meridian Union Station
    Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
  • 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_69ad85ae14308190bcbc25cfa0246c0b completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb9533b588190a18a9b6495712ee0 completed March 8, 2026, 6 p.m.
NED1 Entity disambiguation (via context triple) batch_69b367f369248190b411098b5654b8ad completed March 13, 2026, 1:27 a.m.
NEDg Description generation batch_69b36894e0c481909aea658b9c720df0 completed March 13, 2026, 1:29 a.m.
NED2 Entity disambiguation (via description) batch_69b3691925bc8190a0e39b55883e2d32 completed March 13, 2026, 1:32 a.m.
Created at: March 8, 2026, 3:15 p.m.