Triple
T844225
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Merced |
E18241
|
entity |
| Predicate | hasRailService |
P782
|
FINISHED |
| Object | Amtrak San Joaquins |
E72422
|
NE FINISHED |
How this triple was built (2 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 San Joaquins | Statement: [Merced, hasRailService, Amtrak San Joaquins]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak San Joaquins Context triple: [Merced, hasRailService, Amtrak San Joaquins]
-
A.
Amtrak California
chosen
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 Capitol Corridor
Amtrak Capitol Corridor is a passenger rail service in Northern California that connects Sacramento, the San Francisco Bay Area, and San Jose with frequent, commuter-oriented trains.
-
C.
Amtrak Lake Shore Limited
Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
-
D.
Caltrain
Caltrain is a commuter rail service on the San Francisco Peninsula and in the Santa Clara Valley, connecting San Francisco to San Jose and Gilroy in California.
-
E.
Amtrak
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a4938b04208190b82e1df6b572c548 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4ac07fedc8190ab05595f25c1792f |
completed | March 1, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7c714fc948190b84d34192b0064ff |
completed | March 4, 2026, 5:45 a.m. |
Created at: March 1, 2026, 7:38 p.m.