Triple
T22451551
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Barking railway station |
E555002
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | London Overground Gospel Oak to Barking Riverside service |
—
|
NE NERFINISHED |
How this triple was built (2 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: London Overground Gospel Oak to Barking Riverside service | Statement: [Barking railway station, servedBy, London Overground Gospel Oak to Barking Riverside service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Overground Gospel Oak to Barking Riverside service Context triple: [Barking railway station, servedBy, London Overground Gospel Oak to Barking Riverside service]
-
A.
Gospel Oak to Barking line
chosen
The Gospel Oak to Barking line is a London Overground suburban railway route in north and east London, known for linking Gospel Oak with Barking and serving as an important orbital connection outside central London.
-
B.
Sidcup Line
The Sidcup Line is a suburban railway route in southeast London that connects central London with areas such as Sidcup and beyond, forming part of the Southeastern rail network.
-
C.
North London line
The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
-
D.
Hounslow Loop Line
The Hounslow Loop Line is a suburban railway route in West London that forms a loop off the South Western Main Line, providing local passenger services through areas such as Hounslow, Isleworth, and Richmond.
-
E.
Bexleyheath Line
The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e11e5113208190ab58c6b595f9d1d0 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15b4ba6a88190a0a79e2c20fa8c08 |
completed | April 29, 2026, 1:13 a.m. |
Created at: April 16, 2026, 8:48 p.m.