Triple
T16900501
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ifield railway station |
E424420
|
entity |
| Predicate | hasOperatorHistory |
P28596
|
FINISHED |
| Object | Southern (post-privatisation) |
E493611
|
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: Southern (post-privatisation) | Statement: [Ifield railway station, hasOperatorHistory, Southern (post-privatisation)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern (post-privatisation) Context triple: [Ifield railway station, hasOperatorHistory, Southern (post-privatisation)]
-
A.
Southern (train operating company)
chosen
Southern is a British train operating company that runs commuter and regional rail services across parts of South London, Surrey, Sussex, and the South Coast of England.
-
B.
Great Southern Railways
Great Southern Railways was a major Irish railway company that operated much of the country’s rail network in the early to mid-20th century.
-
C.
Great Southern Rail
Great Southern Rail is an Australian long-distance passenger train operator best known for running iconic interstate services such as The Ghan and the Indian Pacific.
-
D.
Southeastern (train operating company)
Southeastern is a British train operating company providing passenger rail services across southeast London, Kent, and parts of East Sussex.
-
E.
Southern Linc
Southern Linc is a regional wireless communications provider in the southeastern United States, offering mission-critical voice and data services, particularly for utilities and public safety organizations.
- 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_69d889da3e8c8190a2b118f383f0beac |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e3c8dbc6e48190be90066b82fc61db |
completed | April 18, 2026, 6:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00c7b273608190b552d8dc22bc51ef |
completed | May 10, 2026, 6 p.m. |
Created at: April 10, 2026, 5:29 a.m.