Triple
T18904401
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Section (former LB&SCR network) |
E462416
|
entity |
| Predicate | historicalPredecessorOf |
P3444
|
FINISHED |
| Object | Southern Railway Central Section |
—
|
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 Railway Central Section | Statement: [Central Section (former LB&SCR network), historicalPredecessorOf, Southern Railway Central Section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern Railway Central Section Context triple: [Central Section (former LB&SCR network), historicalPredecessorOf, Southern Railway Central Section]
-
A.
Southern Railway
Southern Railway is a major railway line in Austria that connects Vienna with the southern regions and serves as an important international transit route through the Alps.
-
B.
Southern Railway
Southern Railway is one of the zones of Indian Railways, administering and operating rail services across much of South India, including Tamil Nadu and parts of neighboring states.
-
C.
Southern Railway (UK)
chosen
Southern Railway (UK) was a major British railway company formed in 1923 that operated routes in southern England, including busy commuter and coastal lines, until nationalisation in 1948.
-
D.
Southern Railway mainline
The Southern Railway mainline was a principal north–south rail corridor in the southeastern United States, carrying major passenger and freight services for the Southern Railway system.
-
E.
North–South Railway
The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
- 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_69d8dcfd05bc819088903cca13cc2846 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c52c121c8190a2057b99c723694b |
completed | April 20, 2026, 6:18 a.m. |
Created at: April 10, 2026, 11:58 a.m.