Triple
T1962413
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pietermaritzburg |
E42615
|
entity |
| Predicate | railwayStation |
P918
|
FINISHED |
| Object | Pietermaritzburg railway station |
E42615
|
NE FINISHED |
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: Pietermaritzburg railway station | Statement: [Pietermaritzburg, railwayStation, Pietermaritzburg railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pietermaritzburg railway station Context triple: [Pietermaritzburg, railwayStation, Pietermaritzburg railway station]
-
A.
Pietermaritzburg
chosen
Pietermaritzburg is a major city in South Africa’s KwaZulu-Natal province, historically significant as a colonial administrative center and now known for its Victorian architecture and role as a regional economic and educational hub.
-
B.
Muirkirk station
Muirkirk station is a commuter rail stop in Maryland served by MARC’s Camden Line between Washington, D.C., and Baltimore.
-
C.
Clarens railway station
Clarens railway station is a local train station in the lakeside suburb of Clarens, near Montreux in the canton of Vaud, Switzerland, serving regional and commuter rail services.
-
D.
Perth railway station
Perth railway station is a key passenger and interchange station in central Scotland, serving as an important junction connecting multiple mainline routes across the Scottish rail network.
-
E.
Nelson railway station
Nelson railway station is a railway station serving the town of Nelson in Lancashire, England, on the East Lancashire Line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a88711151c8190940b2572095059d7 |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abb3aae8c48190afae2cf3af2ae4e9 |
completed | March 7, 2026, 5:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adfbd133908190add1c78d91a813ef |
completed | March 8, 2026, 10:44 p.m. |
Created at: March 4, 2026, 7:36 p.m.