Triple
T20417375
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kolkata |
E500747
|
entity |
| Predicate | hasMajorRailwayStation |
P1071
|
FINISHED |
| Object | Howrah Junction |
—
|
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 Junction | Statement: [Kolkata, hasMajorRailwayStation, Howrah Junction]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah Junction Context triple: [Kolkata, hasMajorRailwayStation, Howrah Junction]
-
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.
Howrah bus terminus
Howrah bus terminus is a major bus station in Howrah, West Bengal, serving as a key hub for regional and intercity road transport, especially in connection with the nearby Howrah railway station.
-
C.
Alipurduar Junction
Alipurduar Junction is a major railway junction in West Bengal, India, serving as an important gateway to the Dooars region and the northeastern states.
-
D.
Naihati Junction
Naihati Junction is a major railway junction in West Bengal, India, serving as an important suburban and regional rail hub in the Kolkata metropolitan area.
-
E.
Howrah Junction–Barddhaman Junction
Howrah Junction–Barddhaman Junction is a major suburban and intercity railway corridor in West Bengal, India, connecting Kolkata’s Howrah station with Barddhaman and serving numerous important stations along the route.
- 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_69e0b4a935588190b9446a99b37ced44 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e67a44ecf48190ba5a3872af500dc8 |
completed | April 20, 2026, 7:11 p.m. |
Created at: April 16, 2026, 11:30 a.m.