Triple
T20213738
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calcutta, Bengal Presidency, British India |
E493557
|
entity |
| Predicate | hasTransportInfrastructure |
P2560
|
FINISHED |
| Object | Howrah railway station (across the Hooghly, serving the city) |
—
|
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: Howrah railway station (across the Hooghly, serving the city) | Statement: [Calcutta, Bengal Presidency, British India, hasTransportInfrastructure, Howrah railway station (across the Hooghly, serving the city)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah railway station (across the Hooghly, serving the city) Context triple: [Calcutta, Bengal Presidency, British India, hasTransportInfrastructure, Howrah railway station (across the Hooghly, serving the city)]
-
A.
Howrah Junction railway station
chosen
Howrah Junction railway station is one of India’s busiest and oldest railway hubs, serving as a major gateway to Kolkata and eastern India.
-
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.
Balurghat railway station
Balurghat railway station is the main railhead serving the town of Balurghat in West Bengal, India, connecting it to regional and national rail networks.
-
D.
Dakshineswar railway station
Dakshineswar railway station is a suburban rail station in Kolkata, India, serving as a key access point for pilgrims and visitors traveling to the nearby Dakshineswar Kali Temple and surrounding areas.
-
E.
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.
- 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_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.