Triple
T20757616
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northbrae |
E510888
|
entity |
| Predicate | locatedNear |
P294
|
FINISHED |
| Object | Northbrae Tunnel |
—
|
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: Northbrae Tunnel | Statement: [Northbrae, locatedNear, Northbrae Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northbrae Tunnel Context triple: [Northbrae, locatedNear, Northbrae Tunnel]
-
A.
Queensway Tunnel
The Queensway Tunnel is a road tunnel in northwest England that carries vehicular traffic beneath the River Mersey between Liverpool and the Wirral Peninsula.
-
B.
Mount Macdonald Tunnel
Mount Macdonald Tunnel is a major railway tunnel in British Columbia, Canada, that carries Canadian Pacific Railway trains through the Selkirk Mountains as part of a key transcontinental route.
-
C.
Kingsway Tunnel
The Kingsway Tunnel is a major road tunnel under the River Mersey in northwest England, carrying vehicular traffic between Liverpool and the Wirral peninsula.
-
D.
Clark Street Tunnel
The Clark Street Tunnel is a New York City Subway tunnel under the East River that carries IRT trains between Manhattan and Brooklyn.
-
E.
Downtown Ottawa tunnel
The Downtown Ottawa tunnel is an underground light rail transit tunnel beneath Ottawa’s downtown core that carries the city’s Confederation Line.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Northbrae Tunnel Target entity description: Northbrae Tunnel is a historic railway tunnel in Berkeley, California, that once carried Key System trains and now accommodates vehicular traffic beneath the Northbrae neighborhood.
-
A.
Queensway Tunnel
The Queensway Tunnel is a road tunnel in northwest England that carries vehicular traffic beneath the River Mersey between Liverpool and the Wirral Peninsula.
-
B.
Mount Macdonald Tunnel
Mount Macdonald Tunnel is a major railway tunnel in British Columbia, Canada, that carries Canadian Pacific Railway trains through the Selkirk Mountains as part of a key transcontinental route.
-
C.
Kingsway Tunnel
The Kingsway Tunnel is a major road tunnel under the River Mersey in northwest England, carrying vehicular traffic between Liverpool and the Wirral peninsula.
-
D.
Clark Street Tunnel
The Clark Street Tunnel is a New York City Subway tunnel under the East River that carries IRT trains between Manhattan and Brooklyn.
-
E.
Downtown Ottawa tunnel
The Downtown Ottawa tunnel is an underground light rail transit tunnel beneath Ottawa’s downtown core that carries the city’s Confederation Line.
- F. None of above. chosen
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_69e0b4c909ec8190b05987f1639513f6 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c23113c88190a567c3a098cf7552 |
completed | April 21, 2026, 12:17 a.m. |
Created at: April 16, 2026, 12:35 p.m.