Triple
T6865906
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Regent’s Canal |
E158399
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Islington Tunnel
Islington Tunnel is a historic, nearly mile-long canal tunnel in North London that carries the Regent’s Canal beneath the borough of Islington.
|
E625571
|
NE FINISHED |
How this triple was built (4 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: Islington Tunnel | Statement: [Regent’s Canal, hasStructure, Islington Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Islington Tunnel Context triple: [Regent’s Canal, hasStructure, Islington Tunnel]
-
A.
Montague Street Tunnel
The Montague Street Tunnel is a New York City Subway tunnel under the East River that carries trains between Manhattan and Brooklyn.
-
B.
Prudential Tunnel
Prudential Tunnel is a vehicular tunnel in Boston, Massachusetts, that carries traffic beneath the Prudential Center complex as part of the Massachusetts Turnpike.
-
C.
East New York Tunnel
The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
-
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.
Midtown Tunnel
The Midtown Tunnel is a vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Islington Tunnel Triple: [Regent’s Canal, hasStructure, Islington Tunnel]
Generated description
Islington Tunnel is a historic, nearly mile-long canal tunnel in North London that carries the Regent’s Canal beneath the borough of Islington.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Islington Tunnel Target entity description: Islington Tunnel is a historic, nearly mile-long canal tunnel in North London that carries the Regent’s Canal beneath the borough of Islington.
-
A.
Montague Street Tunnel
The Montague Street Tunnel is a New York City Subway tunnel under the East River that carries trains between Manhattan and Brooklyn.
-
B.
Prudential Tunnel
Prudential Tunnel is a vehicular tunnel in Boston, Massachusetts, that carries traffic beneath the Prudential Center complex as part of the Massachusetts Turnpike.
-
C.
East New York Tunnel
The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
-
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.
Midtown Tunnel
The Midtown Tunnel is a vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
- F. None of above. chosen
Provenance (5 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_69c68831e3648190a643c328122e4d43 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d88c48f08190b9afba97b19d8605 |
completed | March 27, 2026, 7:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7428b2fe88190ac1798922e2b9620 |
completed | March 28, 2026, 2:52 a.m. |
| NEDg | Description generation | batch_69c7437978b48190a9c79761c15355cd |
completed | March 28, 2026, 2:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c743f4c6fc8190b8a39fdfe7a796ea |
completed | March 28, 2026, 2:59 a.m. |
Created at: March 27, 2026, 2:21 p.m.