Triple
T4740511
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dartford Crossing |
E105227
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Dartford Tunnel |
E74416
|
NE FINISHED |
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: Dartford Tunnel | Statement: [Dartford Crossing, hasPart, Dartford Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dartford Tunnel Context triple: [Dartford Crossing, hasPart, Dartford Tunnel]
-
A.
Dartford Tunnel
chosen
The Dartford Tunnel is a major road tunnel under the River Thames in southeast England, forming part of a key river crossing on the London orbital route.
-
B.
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.
-
C.
Reigate Tunnel
Reigate Tunnel is a historic road tunnel in Reigate, Surrey, notable as one of the earliest road tunnels in Britain and now a distinctive local landmark.
-
D.
Caldecott Tunnel
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.
-
E.
Severn Tunnel
Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd43ef87a48190a5bc3600711aa032 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd64a5f3548190a6acf1dcfd64d11d |
completed | March 20, 2026, 3:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be3a211d2c8190a87ad81ef90dcf3b |
completed | March 21, 2026, 6:26 a.m. |
Created at: March 20, 2026, 1:19 p.m.