Triple
T16593162
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oregon Slough Railroad Bridge |
E403139
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object | North Portland Harbor Railroad Bridge |
—
|
NE NERFINISHED |
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: North Portland Harbor Railroad Bridge | Statement: [Oregon Slough Railroad Bridge, alsoKnownAs, North Portland Harbor Railroad Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Portland Harbor Railroad Bridge Context triple: [Oregon Slough Railroad Bridge, alsoKnownAs, North Portland Harbor Railroad Bridge]
-
A.
Oregon City Bridge
The Oregon City Bridge is a historic concrete arch bridge spanning the Willamette River in Oregon City, Oregon, known for its distinctive design and role as a key local transportation link.
-
B.
Cutler–Donahoe Bridge
The Cutler–Donahoe Bridge is a historic covered bridge in Madison County, Iowa, renowned as one of the iconic “Bridges of Madison County” and a notable local tourist attraction.
-
C.
Coos Bay Bridge
The Coos Bay Bridge is a historic steel cantilever and arch bridge on the southern Oregon coast, carrying U.S. Route 101 over Coos Bay.
-
D.
Oregon Slough Railroad Bridge
chosen
The Oregon Slough Railroad Bridge is a historic swing-span railway bridge in Portland, Oregon, carrying freight and passenger trains across the North Portland Harbor channel of the Columbia River.
-
E.
The Dalles Bridge
The Dalles Bridge is a steel truss bridge spanning the Columbia River between The Dalles, Oregon, and Dallesport, Washington, serving as a key regional crossing in the Pacific Northwest.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d88387363c8190a97a0c942130de97 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e35d6fcaa48190b1ba7dc3b792041a |
completed | April 18, 2026, 10:31 a.m. |
Created at: April 10, 2026, 5:16 a.m.