Triple
T20062519
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Delta, British Columbia |
E499515
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | George Massey Tunnel |
—
|
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: George Massey Tunnel | Statement: [Delta, British Columbia, servedBy, George Massey Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: George Massey Tunnel Context triple: [Delta, British Columbia, servedBy, George Massey Tunnel]
-
A.
George Massey Tunnel
chosen
The George Massey Tunnel is a highway traffic tunnel in British Columbia, Canada, that carries vehicles beneath the Fraser River between Richmond and Delta.
-
B.
Detroit–Windsor Tunnel
The Detroit–Windsor Tunnel is an underwater vehicular tunnel beneath the Detroit River that connects the cities of Detroit, Michigan, and Windsor, Ontario, serving as a major international border crossing between the United States and Canada.
-
C.
Clyde Tunnel
The Clyde Tunnel is a road tunnel in Glasgow, Scotland, carrying vehicular traffic beneath the River Clyde to connect the city’s north and south banks.
-
D.
Blackwall Tunnel
The Blackwall Tunnel is a major road tunnel under the River Thames in east London that carries traffic between the Greenwich Peninsula and the Poplar area.
-
E.
O'Neill Tunnel
The O'Neill Tunnel is a major highway tunnel in downtown Boston that carries Interstate 93 beneath the city as part of the Big Dig project.
- 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_69da6276bcf48190aabbf279192a5fb4 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66376f2d4819081b9e1b265650e5b |
completed | April 20, 2026, 5:33 p.m. |
Created at: April 11, 2026, 3:39 p.m.