Triple
T14845681
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mount Pleasant, Iowa |
E349080
|
entity |
| Predicate | hasRailService |
P782
|
FINISHED |
| Object |
Amtrak California Zephyr route (nearby station in Mount Pleasant)
The Amtrak California Zephyr route is a long-distance passenger train line running between Chicago and the San Francisco Bay Area, known for its scenic journey through the Rocky Mountains and Sierra Nevada.
|
E1123952
|
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 California Zephyr route (nearby station in Mount Pleasant) | Statement: [Mount Pleasant, Iowa, hasRailService, Amtrak California Zephyr route (nearby station in Mount Pleasant)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak California Zephyr route (nearby station in Mount Pleasant) Context triple: [Mount Pleasant, Iowa, hasRailService, Amtrak California Zephyr route (nearby station in Mount Pleasant)]
-
A.
Amtrak service via nearby Sturtevant station
Amtrak service via nearby Sturtevant station is a passenger rail connection that links the Racine area to regional and intercity train routes.
-
B.
Amtrak Cascades (nearby station in Mount Vernon–Burlington area)
Amtrak Cascades (nearby station in the Mount Vernon–Burlington area) is a regional passenger rail service in the Pacific Northwest that connects cities in Washington, Oregon, and British Columbia along the I-5 corridor.
-
C.
Amtrak Silver Star route
The Amtrak Silver Star route is a long-distance passenger train service running between New York City and Miami, providing intercity rail connections along the U.S. East Coast and through central Florida.
-
D.
Mattoon Amtrak station
Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
-
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 California Zephyr route (nearby station in Mount Pleasant) Triple: [Mount Pleasant, Iowa, hasRailService, Amtrak California Zephyr route (nearby station in Mount Pleasant)]
Generated description
The Amtrak California Zephyr route is a long-distance passenger train line running between Chicago and the San Francisco Bay Area, known for its scenic journey through the Rocky Mountains and Sierra Nevada.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Amtrak California Zephyr route (nearby station in Mount Pleasant) Target entity description: The Amtrak California Zephyr route is a long-distance passenger train line running between Chicago and the San Francisco Bay Area, known for its scenic journey through the Rocky Mountains and Sierra Nevada.
-
A.
Amtrak service via nearby Sturtevant station
Amtrak service via nearby Sturtevant station is a passenger rail connection that links the Racine area to regional and intercity train routes.
-
B.
Amtrak Cascades (nearby station in Mount Vernon–Burlington area)
Amtrak Cascades (nearby station in the Mount Vernon–Burlington area) is a regional passenger rail service in the Pacific Northwest that connects cities in Washington, Oregon, and British Columbia along the I-5 corridor.
-
C.
Amtrak Silver Star route
The Amtrak Silver Star route is a long-distance passenger train service running between New York City and Miami, providing intercity rail connections along the U.S. East Coast and through central Florida.
-
D.
Mattoon Amtrak station
Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
-
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_69d822ec69008190a9232caa68836872 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69ded291103c8190a64cfe700bfee197 |
completed | April 14, 2026, 11:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe65010190819083ec051eb5d82839 |
completed | May 8, 2026, 10:34 p.m. |
| NEDg | Description generation | batch_69fe66bae148819080b3d6d3526a0dbb |
completed | May 8, 2026, 10:42 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe6736ff34819098524e4401a414aa |
completed | May 8, 2026, 10:44 p.m. |
Created at: April 10, 2026, 1:53 a.m.