Triple
T20912892
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alaskan Way Viaduct |
E514992
|
entity |
| Predicate | projectName |
P16082
|
FINISHED |
| Object | Alaskan Way Viaduct Replacement Program |
—
|
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: Alaskan Way Viaduct Replacement Program | Statement: [Alaskan Way Viaduct, projectName, Alaskan Way Viaduct Replacement Program]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alaskan Way Viaduct Replacement Program Context triple: [Alaskan Way Viaduct, projectName, Alaskan Way Viaduct Replacement Program]
-
A.
SR 520 Bridge Replacement and HOV Program
The SR 520 Bridge Replacement and HOV Program is a major Washington State transportation initiative to modernize the State Route 520 corridor with safer, more reliable, and transit- and carpool-focused infrastructure across Lake Washington and surrounding areas.
-
B.
Alaskan Way Viaduct
chosen
The Alaskan Way Viaduct was an elevated highway along Seattle’s waterfront that carried a section of State Route 99 before being demolished due to seismic vulnerability and replaced by a tunnel.
-
C.
Fourth Street Viaduct
The Fourth Street Viaduct is a historic bridge in Los Angeles that carries Fourth Street over the Los Angeles River, forming part of the city’s iconic river viaduct system.
-
D.
Central Artery/Tunnel Project
The Central Artery/Tunnel Project, commonly known as the "Big Dig," was a massive Boston infrastructure megaproject that rerouted the city’s central highway into tunnels to reduce congestion and reclaim urban space.
-
E.
SR 520 Bridge
The SR 520 Bridge is a major floating bridge across Lake Washington in Seattle, Washington, known as one of the longest floating bridges in the world and a key link between Seattle and its eastern suburbs.
- 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_69e0b4f9d5ec8190bb2bd27350ed341c |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6ec60d3288190897a087bbdd4f005 |
completed | April 21, 2026, 3:17 a.m. |
Created at: April 16, 2026, 12:48 p.m.