Triple
T18103825
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Merstham railway station |
E433295
|
entity |
| Predicate | railwayDivision |
P1921
|
FINISHED |
| Object | Southern Region (historical) |
—
|
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: Southern Region (historical) | Statement: [Merstham railway station, railwayDivision, Southern Region (historical)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern Region (historical) Context triple: [Merstham railway station, railwayDivision, Southern Region (historical)]
-
A.
Southern Region (historical)
chosen
The Southern Region (historical) was a former division of British Railways responsible for operating and managing rail services in southern England, particularly known for its extensive electrified network and commuter routes into London.
-
B.
Southern Region
The Southern Region is an administrative area of Malta that includes the town of Paola among its localities.
-
C.
Southern Region
Southern Region is an administrative region in southern Eritrea, known for its highland landscapes, agriculture, and historical sites.
-
D.
Southern Region
The Southern Region was a division of British Railways responsible for rail services in southern England, including former Southern Railway lines.
-
E.
North Region
North Region is one of the five major planning regions of Singapore, encompassing residential towns like Woodlands and serving as a key suburban and industrial area in the northern part of the country.
- 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.