Triple
T11986992
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sydney Metro |
E285303
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Epping station
Epping station is a major interchange railway and metro station in Sydney’s north-west, serving as a key hub on the Sydney Metro network and other suburban rail lines.
|
E958395
|
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: Epping station | Statement: [Sydney Metro, hasStation, Epping station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Epping station Context triple: [Sydney Metro, hasStation, Epping station]
-
A.
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.
-
B.
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.
-
C.
Haggerston railway station
Haggerston railway station is an Overground rail station in East London serving the Haggerston area within the London Borough of Hackney.
-
D.
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.
-
E.
Highbury & Islington station
Highbury & Islington station is a busy north London transport hub served by London Overground, London Underground, and National Rail services.
- 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: Epping station Triple: [Sydney Metro, hasStation, Epping station]
Generated description
Epping station is a major interchange railway and metro station in Sydney’s north-west, serving as a key hub on the Sydney Metro network and other suburban rail lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Epping station Target entity description: Epping station is a major interchange railway and metro station in Sydney’s north-west, serving as a key hub on the Sydney Metro network and other suburban rail lines.
-
A.
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.
-
B.
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.
-
C.
Haggerston railway station
Haggerston railway station is an Overground rail station in East London serving the Haggerston area within the London Borough of Hackney.
-
D.
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.
-
E.
Highbury & Islington station
Highbury & Islington station is a busy north London transport hub served by London Overground, London Underground, and National Rail services.
- 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_69d6ab44a77c8190a652f4b27164e4ef |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d903ae28708190a826bad1624343eb |
completed | April 10, 2026, 2:05 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f47237c23081909044388ff5dc73b3 |
completed | May 1, 2026, 9:28 a.m. |
| NEDg | Description generation | batch_69f47b7c5af08190ab0bff1232530a0c |
completed | May 1, 2026, 10:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f47dd51e648190bddd41766221e22d |
completed | May 1, 2026, 10:17 a.m. |
Created at: April 8, 2026, 9:46 p.m.