Triple
T20745065
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jhansi railway division |
E510557
|
entity |
| Predicate | railwayZoneHeadquarters |
P31350
|
FINISHED |
| Object | Prayagraj (for North Central Railway zone) |
—
|
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: Prayagraj (for North Central Railway zone) | Statement: [Jhansi railway division, railwayZoneHeadquarters, Prayagraj (for North Central Railway zone)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Prayagraj (for North Central Railway zone) Context triple: [Jhansi railway division, railwayZoneHeadquarters, Prayagraj (for North Central Railway zone)]
-
A.
Prayagraj railway division
Prayagraj railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Prayagraj region of Uttar Pradesh.
-
B.
Prayagraj Chheoki railway station
Prayagraj Chheoki railway station is a key rail terminal in Prayagraj, Uttar Pradesh, that helps decongest Prayagraj Junction by handling through and terminating trains on major long-distance routes.
-
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.
Kanpur Central railway station
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.
-
E.
North Central Railway zone
chosen
The North Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered at Prayagraj, and is a major rail network serving parts of Uttar Pradesh, Madhya Pradesh, Rajasthan, and Haryana.
- 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_69e0b4c845e88190b4c5f3ae79291182 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c212b744819089bc1d47a020bd61 |
completed | April 21, 2026, 12:17 a.m. |
Created at: April 16, 2026, 12:33 p.m.