Triple
T20213737
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calcutta, Bengal Presidency, British India |
E493557
|
entity |
| Predicate | hasTransportInfrastructure |
P2560
|
FINISHED |
| Object | Eastern Bengal Railway terminus |
—
|
NE NERFINISHED |
How this triple was built (3 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 Bengal Railway terminus | Statement: [Calcutta, Bengal Presidency, British India, hasTransportInfrastructure, Eastern Bengal Railway terminus]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eastern Bengal Railway terminus Context triple: [Calcutta, Bengal Presidency, British India, hasTransportInfrastructure, Eastern Bengal Railway terminus]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Bongaon Junction railway station
Bongaon Junction railway station is a key railway junction in West Bengal, India, serving as an important terminal and transit point near the India–Bangladesh border.
-
E.
Ranaghat Junction
Ranaghat Junction is a major railway junction and transit hub in West Bengal, India, serving as an important connection point for regional and suburban rail services in the Nadia district.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Eastern Bengal Railway terminus Target entity description: The Eastern Bengal Railway terminus was a major colonial-era railway station in Calcutta that served as a key hub for rail connections across eastern Bengal and beyond.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Bongaon Junction railway station
Bongaon Junction railway station is a key railway junction in West Bengal, India, serving as an important terminal and transit point near the India–Bangladesh border.
-
E.
Ranaghat Junction
Ranaghat Junction is a major railway junction and transit hub in West Bengal, India, serving as an important connection point for regional and suburban rail services in the Nadia district.
- F. None of above. chosen
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_69da6269614c8190bb40475d9d477358 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66ed6fe888190b553ba6879cb2d8d |
completed | April 20, 2026, 6:22 p.m. |
Created at: April 11, 2026, 11:38 p.m.