Triple
T21143601
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CNB |
E520993
|
entity |
| Predicate | railwayStationCodeOf |
P57454
|
FINISHED |
| Object | Kanpur Central railway station |
—
|
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: Kanpur Central railway station | Statement: [CNB, railwayStationCodeOf, Kanpur Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kanpur Central railway station Context triple: [CNB, railwayStationCodeOf, 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.
Banaras railway station
Banaras railway station is a key rail transport hub serving the city of Varanasi in Uttar Pradesh, India.
-
C.
Prayagraj Junction
Prayagraj Junction is a major railway station and transportation hub in the city of Prayagraj (formerly Allahabad) in Uttar Pradesh, India.
-
D.
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.
-
E.
Roorkee railway station
Roorkee railway station is a key rail transit hub in Uttarakhand, India, serving the city of Roorkee and connecting it to major destinations across the region and country.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railwayStationCodeOf Context triple: [CNB, railwayStationCodeOf, Kanpur Central railway station]
-
A.
railwayStationCodeFor
chosen
Indicates that one entity is the designated railway station code corresponding to a particular railway station.
-
B.
railwayStationFor
Indicates a relationship where a railway station serves, is designated for, or primarily associated with a particular place, line, or service.
-
C.
otherRailwayStation
Indicates a relationship where one railway station is associated with another as a distinct but related station, such as an alternative, nearby, or counterpart station.
-
D.
hasRailwayStationRole
Indicates that an entity holds or is assigned a specific functional role or capacity within the operation or management of a railway station.
-
E.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
- F. None of above.
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_69e0b50c6a848190a4e525a77a319b8a |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e723fad02c8190a8e9fb82f0491642 |
completed | April 21, 2026, 7:15 a.m. |
| PD | Predicate disambiguation | batch_69e5f5f8a5bc819081918c7fa8e4496d |
completed | April 20, 2026, 9:46 a.m. |
Created at: April 16, 2026, 2:57 p.m.