Triple
T20354462
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Morogoro Region |
E496104
|
entity |
| Predicate | hasTransportCorridor |
P3034
|
FINISHED |
| Object | Central Railway 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: Central Railway Line | Statement: [Morogoro Region, hasTransportCorridor, Central Railway Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central Railway Line Context triple: [Morogoro Region, hasTransportCorridor, Central Railway Line]
-
A.
Central Railway line
chosen
The Central Railway line is a major Tanzanian rail corridor that connects the interior regions of the country to the coastal port city of Dar es Salaam.
-
B.
Main Line of Central Railway
The Main Line of Central Railway is a major suburban and long-distance rail corridor in the Mumbai metropolitan region, forming the core spine of Central Railway’s passenger network.
-
C.
Central Railway
Central Railway is one of the major zones of Indian Railways, headquartered in Mumbai and responsible for operating key rail routes and suburban services in western and central India.
-
D.
Great Central Railway
The Great Central Railway was a major British railway company that operated routes in northern England and the Midlands before being absorbed into the London and North Eastern Railway in 1923.
-
E.
East Coast Railway
East Coast Railway is a zone of Indian Railways responsible for managing and operating rail services primarily in the eastern coastal regions of India, including parts of Odisha and neighboring states.
- 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_69e0b4a3f7f48190b37f354574028ca6 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e67852ca9881908a5af18005639859 |
completed | April 20, 2026, 7:02 p.m. |
Created at: April 16, 2026, 11:25 a.m.