Triple
T6866006
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lewis Cubitt |
E158401
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object |
Copenhagen Tunnels, King's Cross
Copenhagen Tunnels, King's Cross are a set of mid-19th-century railway tunnels in the King's Cross area of London, designed by architect and engineer Lewis Cubitt as part of the early railway infrastructure.
|
E625585
|
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: Copenhagen Tunnels, King's Cross | Statement: [Lewis Cubitt, notableWork, Copenhagen Tunnels, King's Cross]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Copenhagen Tunnels, King's Cross Context triple: [Lewis Cubitt, notableWork, Copenhagen Tunnels, King's Cross]
-
A.
Crossrail central tunnel
The Crossrail central tunnel is the core underground section of London's Elizabeth line, consisting of newly built deep-level rail tunnels that connect existing surface routes across the city.
-
B.
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.
-
C.
City Tunnel No. 3
City Tunnel No. 3 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs to the city’s distribution system.
-
D.
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.
-
E.
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.
- 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: Copenhagen Tunnels, King's Cross Triple: [Lewis Cubitt, notableWork, Copenhagen Tunnels, King's Cross]
Generated description
Copenhagen Tunnels, King's Cross are a set of mid-19th-century railway tunnels in the King's Cross area of London, designed by architect and engineer Lewis Cubitt as part of the early railway infrastructure.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Copenhagen Tunnels, King's Cross Target entity description: Copenhagen Tunnels, King's Cross are a set of mid-19th-century railway tunnels in the King's Cross area of London, designed by architect and engineer Lewis Cubitt as part of the early railway infrastructure.
-
A.
Crossrail central tunnel
The Crossrail central tunnel is the core underground section of London's Elizabeth line, consisting of newly built deep-level rail tunnels that connect existing surface routes across the city.
-
B.
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.
-
C.
City Tunnel No. 3
City Tunnel No. 3 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs to the city’s distribution system.
-
D.
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.
-
E.
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.
- 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.