Triple
T11345789
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Romford–Upminster line |
E268708
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Romford railway station
Romford railway station is a major National Rail and Elizabeth line interchange in East London serving the town of Romford in the London Borough of Havering.
|
E920048
|
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: Romford railway station | Statement: [Romford–Upminster line, terminus, Romford railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Romford railway station Context triple: [Romford–Upminster line, terminus, Romford railway station]
-
A.
Walthamstow Central railway station
Walthamstow Central railway station is a key National Rail and London Underground interchange in the London Borough of Waltham Forest, serving as a major transport hub in northeast London.
-
B.
Epping railway station
Epping railway station is a suburban commuter rail station in Melbourne, Australia, serving the northern suburb of Epping on the city's metropolitan rail network.
-
C.
Basildon railway station
Basildon railway station is the main rail hub serving the town of Basildon in Essex, England, on the London, Tilbury and Southend line.
-
D.
Chingford railway station
Chingford railway station is a suburban rail terminus in the London Borough of Waltham Forest, serving as the northern endpoint of a commuter line into central London.
-
E.
Stansted Mountfitchet railway station
Stansted Mountfitchet railway station is a local rail stop in Essex, England, serving the village of Stansted Mountfitchet on the West Anglia Main Line with services toward London and Cambridge.
- 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: Romford railway station Triple: [Romford–Upminster line, terminus, Romford railway station]
Generated description
Romford railway station is a major National Rail and Elizabeth line interchange in East London serving the town of Romford in the London Borough of Havering.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Romford railway station Target entity description: Romford railway station is a major National Rail and Elizabeth line interchange in East London serving the town of Romford in the London Borough of Havering.
-
A.
Walthamstow Central railway station
Walthamstow Central railway station is a key National Rail and London Underground interchange in the London Borough of Waltham Forest, serving as a major transport hub in northeast London.
-
B.
Epping railway station
Epping railway station is a suburban commuter rail station in Melbourne, Australia, serving the northern suburb of Epping on the city's metropolitan rail network.
-
C.
Basildon railway station
Basildon railway station is the main rail hub serving the town of Basildon in Essex, England, on the London, Tilbury and Southend line.
-
D.
Chingford railway station
Chingford railway station is a suburban rail terminus in the London Borough of Waltham Forest, serving as the northern endpoint of a commuter line into central London.
-
E.
Stansted Mountfitchet railway station
Stansted Mountfitchet railway station is a local rail stop in Essex, England, serving the village of Stansted Mountfitchet on the West Anglia Main Line with services toward London and Cambridge.
- 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_69d6aacbe18081909e5fadb50082dd96 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7ea1f9574819089760c5b5908f09e |
completed | April 9, 2026, 6:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5437fb1208190892fa6b05c92478e |
completed | April 19, 2026, 9:05 p.m. |
| NEDg | Description generation | batch_69e548bb7be4819093aeeaf0c048033e |
completed | April 19, 2026, 9:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e54eeba4a88190af128a99c277853a |
completed | April 19, 2026, 9:53 p.m. |
Created at: April 8, 2026, 9:33 p.m.