Triple
T16659062
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Howrah–Bardhaman main line |
E404809
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Chandannagar railway station |
E404808
|
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: Chandannagar railway station | Statement: [Howrah–Bardhaman main line, hasStation, Chandannagar railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chandannagar railway station Context triple: [Howrah–Bardhaman main line, hasStation, Chandannagar railway station]
-
A.
Chandannagar railway station
chosen
Chandannagar railway station is a suburban rail station in West Bengal, India, serving the town of Chandannagar on the Howrah–Bardhaman main line of the Kolkata Suburban Railway network.
-
B.
Durgapur railway station
Durgapur railway station is a major rail hub in West Bengal, India, serving the industrial city of Durgapur with regional and long-distance train connections.
-
C.
Agartala Railway Station
Agartala Railway Station is the main railhead serving the city of Agartala in Tripura, India, providing regional and long-distance train connectivity to the northeastern state.
-
D.
Serampore railway station
Serampore railway station is a suburban rail station in West Bengal, India, serving the town of Serampore on the Howrah–Bardhaman main line of the Kolkata Suburban Railway network.
-
E.
Barrackpore railway station
Barrackpore railway station is a suburban rail station in West Bengal, India, serving the town of Barrackpore as part of the Kolkata Suburban Railway network.
- 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_6a00a50edea48190b65f4e6a9eb3ba24 |
completed | May 10, 2026, 3:32 p.m. |
Created at: April 10, 2026, 5:18 a.m.