Triple
T16659005
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chandannagar railway station |
E404808
|
entity |
| Predicate | zone |
P2160
|
FINISHED |
| Object | Eastern Railway |
E163229
|
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: Eastern Railway | Statement: [Chandannagar railway station, zone, Eastern Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eastern Railway Context triple: [Chandannagar railway station, zone, Eastern Railway]
-
A.
Eastern Railway
chosen
Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services primarily across eastern India.
-
B.
Western Railway
Western Railway is one of the major zones of Indian Railways, operating a key network of suburban and long-distance train services across western India.
-
C.
South Central Railway
South Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across parts of southern and central India.
-
D.
Bengal Nagpur Railway
Bengal Nagpur Railway was a major British-era railway company in eastern and central India that played a key role in regional rail development before being absorbed into the post-independence Indian Railways system.
-
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 (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_69d8838b5fbc81908c6575c132b82e80 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37bfcbb6881909c0419174dd017dc |
completed | April 18, 2026, 12:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a008a30e55c8190a5047656b9873a0e |
completed | May 10, 2026, 1:37 p.m. |
Created at: April 10, 2026, 5:18 a.m.