Triple
T21143757
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lucknow–Kanpur Suburban Railway |
E520996
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Kanpur Central railway station |
—
|
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: Kanpur Central railway station | Statement: [Lucknow–Kanpur Suburban Railway, hasStation, Kanpur Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kanpur Central railway station Context triple: [Lucknow–Kanpur Suburban Railway, hasStation, Kanpur Central railway station]
-
A.
Kanpur Central railway station
chosen
Kanpur Central railway station is one of the busiest and largest railway junctions in North India, serving as a major transit hub for long-distance and regional trains in Uttar Pradesh.
-
B.
Kanpur North Barracks station
Kanpur North Barracks station is a railway station in Kanpur, India, historically associated with the former British-era military barracks in the city.
-
C.
Banaras railway station
Banaras railway station is a key rail transport hub serving the city of Varanasi in Uttar Pradesh, India.
-
D.
Prayagraj Junction
Prayagraj Junction is a major railway station and transportation hub in the city of Prayagraj (formerly Allahabad) in Uttar Pradesh, India.
-
E.
Meerut Cantt railway station
Meerut Cantt railway station is a key Indian Railways station serving the cantonment area of Meerut in Uttar Pradesh, facilitating both civilian and military rail transport.
- 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_69e0b50c6a848190a4e525a77a319b8a |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e723fbb29881909c4036eab46ed440 |
completed | April 21, 2026, 7:15 a.m. |
Created at: April 16, 2026, 2:57 p.m.