Triple
T14773044
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Downeaster |
E347183
|
entity |
| Predicate | viaStation |
P64719
|
FINISHED |
| Object | Portland Transportation Center |
E261912
|
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 Transportation Center | Statement: [Amtrak Downeaster, viaStation, Portland Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland Transportation Center Context triple: [Amtrak Downeaster, viaStation, Portland Transportation Center]
-
A.
Portland Transportation Center
chosen
Portland Transportation Center is a major intercity bus and Amtrak train station serving the greater Portland and southern Maine region.
-
B.
Portland Union Station
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.
-
C.
Beaverton Transit Center
Beaverton Transit Center is a major public transportation hub in Beaverton, Oregon, serving as an interchange point for light rail and multiple bus lines in the Portland metropolitan area.
-
D.
Clackamas Town Center Transit Center
Clackamas Town Center Transit Center is a major public transportation hub in Clackamas, Oregon, serving as a terminus and transfer point for MAX Light Rail and multiple bus lines near the Clackamas Town Center mall.
-
E.
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.
- 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_69d822e9b9e08190bedcc31a163fda82 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69dec81485e08190be35baafcf22b6f2 |
completed | April 14, 2026, 11:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe0cfd26fc81909fba39c8705437ed |
completed | May 8, 2026, 4:19 p.m. |
Created at: April 10, 2026, 1:31 a.m.