Triple
T6402612
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Empire Builder |
E144098
|
entity |
| Predicate | routeEnd |
P390
|
FINISHED |
| Object | Portland Union Station |
E35533
|
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: Portland Union Station | Statement: [Amtrak Empire Builder, routeEnd, Portland Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland Union Station Context triple: [Amtrak Empire Builder, routeEnd, Portland Union Station]
-
A.
Portland Union Station
chosen
Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
-
B.
Portland Transportation Center
Portland Transportation Center is a major intercity bus and Amtrak train station serving the greater Portland and southern Maine region.
-
C.
Rose Quarter Transit Center
Rose Quarter Transit Center is a major public transit hub in Portland, Oregon, serving multiple MAX light rail lines and bus routes near the city’s Rose Quarter sports and entertainment district.
-
D.
Portland Transit Mall
Portland Transit Mall is a major public transit corridor in downtown Portland, Oregon, featuring dedicated lanes and stops for buses and light rail along key central city streets.
-
E.
Meridian Union Station
Meridian Union Station is a historic intermodal transportation hub in downtown Meridian, Mississippi, serving Amtrak passenger rail and regional bus services.
- 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_69c008dc56fc81908d43ffcc11d73bdd |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c068ade8c881908a0472f1de6b7c21 |
completed | March 22, 2026, 10:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c640bee09481908bdd0462f7cc43ff |
completed | March 27, 2026, 8:33 a.m. |
Created at: March 22, 2026, 4:35 p.m.