Triple
T12557342
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Upminster |
E295251
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Upminster Bridge station
Upminster Bridge station is a London Underground station in the London Borough of Havering, serving the District line near the eastern end of the network.
|
E996099
|
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: Upminster Bridge station | Statement: [Upminster, hasRailwayStation, Upminster Bridge station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Upminster Bridge station Context triple: [Upminster, hasRailwayStation, Upminster Bridge station]
-
A.
Upminster station
Upminster station is a major transport hub in east London serving as an interchange between National Rail services and the eastern terminus of the London Underground’s District line.
-
B.
Canning Bridge station
Canning Bridge station is a suburban passenger railway station in Perth, Western Australia, serving the Mandurah line and connecting nearby residential and commercial areas.
-
C.
Kew Bridge railway station
Kew Bridge railway station is a suburban rail station in west London serving the Brentford area near Kew Bridge and the River Thames.
-
D.
Stonebridge Park station
Stonebridge Park station is a railway and London Underground station in north-west London served by the Bakerloo line and London Overground.
-
E.
Gunnersbury station
Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
- 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: Upminster Bridge station Triple: [Upminster, hasRailwayStation, Upminster Bridge station]
Generated description
Upminster Bridge station is a London Underground station in the London Borough of Havering, serving the District line near the eastern end of the network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Upminster Bridge station Target entity description: Upminster Bridge station is a London Underground station in the London Borough of Havering, serving the District line near the eastern end of the network.
-
A.
Upminster station
Upminster station is a major transport hub in east London serving as an interchange between National Rail services and the eastern terminus of the London Underground’s District line.
-
B.
Canning Bridge station
Canning Bridge station is a suburban passenger railway station in Perth, Western Australia, serving the Mandurah line and connecting nearby residential and commercial areas.
-
C.
Kew Bridge railway station
Kew Bridge railway station is a suburban rail station in west London serving the Brentford area near Kew Bridge and the River Thames.
-
D.
Stonebridge Park station
Stonebridge Park station is a railway and London Underground station in north-west London served by the Bakerloo line and London Overground.
-
E.
Gunnersbury station
Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
- 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_69d6ad9cac2c81908e8a7bed82d1e21d |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d95491d9688190a6b88a939124233e |
completed | April 10, 2026, 7:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f66861c7d8819090f09d4a131da402 |
completed | May 2, 2026, 9:10 p.m. |
| NEDg | Description generation | batch_69f66a8d4684819093095a1c9674a099 |
completed | May 2, 2026, 9:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f66bd0073881909227dfff84d8b856 |
completed | May 2, 2026, 9:25 p.m. |
Created at: April 8, 2026, 11:47 p.m.