Triple

T20530676
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles–Seattle rail corridor E504057 entity
Predicate majorStation P1071 FINISHED
Object Klamath Falls station
Klamath Falls station is a key Amtrak passenger rail stop in Klamath Falls, Oregon, serving long-distance trains along the West Coast between California and the Pacific Northwest.
 E1435698 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: Klamath Falls station | Statement: [Los Angeles–Seattle rail corridor, majorStation, Klamath Falls station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Klamath Falls station
Context triple: [Los Angeles–Seattle rail corridor, majorStation, Klamath Falls station]
  • A. Tualatin station
    Tualatin station is a commuter rail stop in Tualatin, Oregon, serving as one of the stations on TriMet’s WES Commuter Rail line in the Portland metropolitan area.
  • B. Creel station
    Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
  • C. Oregon station
    Oregon station is a subway stop on Philadelphia's SEPTA Broad Street Line serving the South Philadelphia neighborhood near Oregon Avenue.
  • D. Oregon-Washington Station
    Oregon-Washington Station was the original name of Seattle’s historic Union Station, a major early 20th-century railroad terminal in the city.
  • E. Creston Amtrak station
    Creston Amtrak station is a passenger rail station in Creston, Iowa, served by Amtrak’s long-distance trains.
  • 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: Klamath Falls station
Triple: [Los Angeles–Seattle rail corridor, majorStation, Klamath Falls station]
Generated description
Klamath Falls station is a key Amtrak passenger rail stop in Klamath Falls, Oregon, serving long-distance trains along the West Coast between California and the Pacific Northwest.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Klamath Falls station
Target entity description: Klamath Falls station is a key Amtrak passenger rail stop in Klamath Falls, Oregon, serving long-distance trains along the West Coast between California and the Pacific Northwest.
  • A. Tualatin station
    Tualatin station is a commuter rail stop in Tualatin, Oregon, serving as one of the stations on TriMet’s WES Commuter Rail line in the Portland metropolitan area.
  • B. Creel station
    Creel station is a railway stop in the town of Creel, Chihuahua, Mexico, best known as a key passenger station on the scenic Ferrocarril Chihuahua al Pacífico route through the Copper Canyon region.
  • C. Oregon station
    Oregon station is a subway stop on Philadelphia's SEPTA Broad Street Line serving the South Philadelphia neighborhood near Oregon Avenue.
  • D. Oregon-Washington Station
    Oregon-Washington Station was the original name of Seattle’s historic Union Station, a major early 20th-century railroad terminal in the city.
  • E. Creston Amtrak station
    Creston Amtrak station is a passenger rail station in Creston, Iowa, served by Amtrak’s long-distance trains.
  • 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_69e0b4b3a6e08190ae663701f50fab8e completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a06b923c81908ba24be6645a7c61 completed April 20, 2026, 9:53 p.m.
NED1 Entity disambiguation (via context triple) batch_6a089d4a828481909085772ef81a2348 completed May 16, 2026, 4:37 p.m.
NEDg Description generation batch_6a089e8473188190956a0817cd7bbae0 completed May 16, 2026, 4:42 p.m.
NED2 Entity disambiguation (via description) batch_6a089f04483481908fe015bd7514af35 completed May 16, 2026, 4:44 p.m.
Created at: April 16, 2026, 11:37 a.m.