Triple
T18103804
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Merstham railway station |
E433295
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Brighton Main Line |
—
|
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: Brighton Main Line | Statement: [Merstham railway station, locatedOn, Brighton Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brighton Main Line Context triple: [Merstham railway station, locatedOn, Brighton Main Line]
-
A.
Brighton Main Line
chosen
The Brighton Main Line is a major railway route in southern England that connects London with the coastal city of Brighton, serving numerous commuter towns along the way.
-
B.
Brighton Line
The Brighton Line is a major New York City Subway route in Brooklyn that carries B and Q trains between Coney Island and Midtown Manhattan.
-
C.
Severn Beach Line
The Severn Beach Line is a suburban railway route in the Bristol area of England, running from the city through its northern suburbs to the coastal village of Severn Beach.
-
D.
Tonbridge Line
The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
-
E.
The Brighton Line
The Brighton Line is a historic and heavily used railway route in southern England linking London with the seaside city of Brighton.
- 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_69d8b90916008190a1f110bd7ced5473 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4ddb8dd308190a9c98ac2b1d8b872 |
completed | April 19, 2026, 1:50 p.m. |
Created at: April 10, 2026, 10:28 a.m.