Triple
T18681316
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Caldecott Tunnel |
E456739
|
entity |
| Predicate | hasBore |
P132269
|
FINISHED |
| Object | Caldecott Tunnel first bore |
—
|
NE NERFINISHED |
How this triple was built (3 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 first bore | Statement: [Caldecott Tunnel, hasBore, Caldecott Tunnel first bore]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caldecott Tunnel first bore Context triple: [Caldecott Tunnel, hasBore, Caldecott Tunnel first 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.
City Tunnel No. 1
City Tunnel No. 1 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs into the city’s distribution system.
-
C.
Bruce Tunnel
Bruce Tunnel is a historic canal tunnel in Wiltshire, England, carrying the Kennet and Avon Canal beneath Savernake Forest.
-
D.
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.
-
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.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasBore Context triple: [Caldecott Tunnel, hasBore, Caldecott Tunnel first bore]
-
A.
hasBoreType
Indicates that an entity is characterized by or associated with a specific type of bore (e.g., cylindrical, tapered, rifled).
-
B.
bore
Indicates that one entity caused another entity to feel uninterested, tired, or lacking in engagement.
-
C.
hasBoltHandle
Indicates that one entity is equipped with or includes a bolt-style handle associated with another entity.
-
D.
numberOfBores
Indicates the relationship specifying how many bores (e.g., cylindrical holes or channels) are present in or associated with an object.
-
E.
hasDrillHolesFrom
Indicates that an object bears drill holes that were created by another specified entity or process.
- F. None of above. chosen
Provenance (4 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. |
| PD | Predicate disambiguation | batch_69e478db7a248190a8c6584673773923 |
completed | April 19, 2026, 6:40 a.m. |
| PDg | Predicate description generation | batch_69e484133ee48190a80f1889d79f34c9 |
completed | April 19, 2026, 7:28 a.m. |
Created at: April 10, 2026, 11:49 a.m.