Triple
T18681318
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Caldecott Tunnel |
E456739
|
entity |
| Predicate | hasBore |
P132269
|
FINISHED |
| Object | Caldecott Tunnel third bore |
—
|
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: Caldecott Tunnel third bore | Statement: [Caldecott Tunnel, hasBore, Caldecott Tunnel third bore]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caldecott Tunnel third bore Context triple: [Caldecott Tunnel, hasBore, Caldecott Tunnel third bore]
-
A.
Caldecott Tunnel
chosen
The Caldecott Tunnel is a major highway tunnel in the San Francisco Bay Area that carries traffic through the Berkeley Hills between Oakland and Contra Costa County.
-
B.
Telford Tunnel
Telford Tunnel is one of the two parallel canal tunnels at Harecastle on the Trent and Mersey Canal in Staffordshire, England, designed by engineer Thomas Telford to improve navigation capacity.
-
C.
Hindhead Tunnel
Hindhead Tunnel is a major road tunnel in Surrey, England, carrying the A3 beneath the Devil’s Punch Bowl to improve traffic flow and reduce environmental impact on the surrounding countryside.
-
D.
Cosgrove Tunnel
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
-
E.
Butterley Tunnel
Butterley Tunnel is a historic 18th-century canal tunnel in Derbyshire, England, renowned as a major engineering work of the early British canal era.
- 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_69d8d391eb488190ac2e9abf5bf255e4 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e55b2840548190ababe1cc603b4784 |
completed | April 19, 2026, 10:46 p.m. |
Created at: April 10, 2026, 11:49 a.m.