Triple
T7017576
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Silchar railway station |
E162733
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Northeast Frontier Railway |
E165055
|
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: Northeast Frontier Railway | Statement: [Silchar railway station, operatedBy, Northeast Frontier Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northeast Frontier Railway Context triple: [Silchar railway station, operatedBy, Northeast Frontier Railway]
-
A.
Northeast Frontier Railway (partly)
chosen
Northeast Frontier Railway is a zone of Indian Railways responsible for rail operations across much of India’s northeastern region and parts of eastern states.
-
B.
North Central Railway
North Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across key regions in northern and central India.
-
C.
Eastern Railway
Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
-
D.
Eastern Punjab Railway
Eastern Punjab Railway was a former railway system in British India that operated in the eastern part of the Punjab region before being absorbed into the Northern Railway zone after independence and partition.
-
E.
East Central Railway
East Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across parts of eastern and central India.
- 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_69c6885a127c8190867b059bdccf13ff |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e1e79c108190a507335e9dbf2716 |
completed | March 27, 2026, 8 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7884ac340819093e1812738d5e30f |
completed | March 28, 2026, 7:50 a.m. |
Created at: March 27, 2026, 2:34 p.m.