Triple
T2168258
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Severn Tunnel |
E46960
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Sudbrook pumping station
Sudbrook pumping station is a historic Victorian-era facility in Wales built to manage water ingress for the Severn Tunnel railway line beneath the River Severn.
|
E239732
|
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: Sudbrook pumping station | Statement: [Severn Tunnel, hasStructure, Sudbrook pumping station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sudbrook pumping station Context triple: [Severn Tunnel, hasStructure, Sudbrook pumping station]
-
A.
Cruquius Pumping Station
Cruquius Pumping Station is a historic 19th-century Dutch steam-powered pumping station, now a museum, renowned for its role in draining the Haarlemmermeer lake and showcasing monumental industrial engineering.
-
B.
Kempton Park Reservoirs
Kempton Park Reservoirs are a series of large water storage reservoirs in southwest London that form part of the region’s public water supply infrastructure and associated nature conservation areas.
-
C.
Agecroft power station
Agecroft power station was a coal-fired power station in Pendlebury, Greater Manchester, that operated for much of the 20th century and played a significant role in the region’s industrial energy supply.
-
D.
Seaton Sluice
Seaton Sluice is a coastal village in Northumberland, England, known for its historic harbour, maritime heritage, and scenic North Sea shoreline.
-
E.
Edmonston Pumping Plant
Edmonston Pumping Plant is a major California water infrastructure facility that lifts water over the Tehachapi Mountains, enabling its delivery from Northern to Southern California.
- 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: Sudbrook pumping station Triple: [Severn Tunnel, hasStructure, Sudbrook pumping station]
Generated description
Sudbrook pumping station is a historic Victorian-era facility in Wales built to manage water ingress for the Severn Tunnel railway line beneath the River Severn.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sudbrook pumping station Target entity description: Sudbrook pumping station is a historic Victorian-era facility in Wales built to manage water ingress for the Severn Tunnel railway line beneath the River Severn.
-
A.
Cruquius Pumping Station
Cruquius Pumping Station is a historic 19th-century Dutch steam-powered pumping station, now a museum, renowned for its role in draining the Haarlemmermeer lake and showcasing monumental industrial engineering.
-
B.
Kempton Park Reservoirs
Kempton Park Reservoirs are a series of large water storage reservoirs in southwest London that form part of the region’s public water supply infrastructure and associated nature conservation areas.
-
C.
Agecroft power station
Agecroft power station was a coal-fired power station in Pendlebury, Greater Manchester, that operated for much of the 20th century and played a significant role in the region’s industrial energy supply.
-
D.
Seaton Sluice
Seaton Sluice is a coastal village in Northumberland, England, known for its historic harbour, maritime heritage, and scenic North Sea shoreline.
-
E.
Edmonston Pumping Plant
Edmonston Pumping Plant is a major California water infrastructure facility that lifts water over the Tehachapi Mountains, enabling its delivery from Northern to Southern California.
- 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_69a88a184cbc8190877791f6552c2484 |
completed | March 4, 2026, 7:38 p.m. |
| NER | Named-entity recognition | batch_69abbeadaed481908d6afa942d7155b8 |
completed | March 7, 2026, 5:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae58f26334819095202544d37e6850 |
completed | March 9, 2026, 5:21 a.m. |
| NEDg | Description generation | batch_69ae5a2055488190855ac173d1e3ad11 |
completed | March 9, 2026, 5:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae5a810b588190a1bb538be46b2010 |
completed | March 9, 2026, 5:28 a.m. |
Created at: March 4, 2026, 7:45 p.m.