Triple
T20821735
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Izatnagar railway station |
E512590
|
entity |
| Predicate | railwayDivision |
P1921
|
FINISHED |
| Object | Izatnagar railway division |
—
|
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: Izatnagar railway division | Statement: [Izatnagar railway station, railwayDivision, Izatnagar railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Izatnagar railway division Context triple: [Izatnagar railway station, railwayDivision, Izatnagar railway division]
-
A.
Izzatnagar railway division
chosen
Izzatnagar railway division is an administrative division of Indian Railways under the North Eastern Railway zone, overseeing rail operations and infrastructure in parts of Uttar Pradesh.
-
B.
Mughalsarai railway division
Mughalsarai railway division is a major administrative and operational division of Indian Railways, centered around the busy Mughalsarai (Pt. Deen Dayal Upadhyaya) Junction in Uttar Pradesh.
-
C.
Katihar railway division
Katihar railway division is an administrative division of Indian Railways under the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in and around Katihar in eastern India.
-
D.
Alipurduar railway division
Alipurduar railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around the Alipurduar region of West Bengal.
-
E.
Jhansi railway division
Jhansi railway division is an administrative unit of Indian Railways responsible for managing railway operations, infrastructure, and services in and around the Jhansi region.
- 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_69e0b4ce39108190a6e8e5df4f1c8dc5 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2f7a1548190b6ef3f1cfad37c1c |
completed | April 21, 2026, 12:21 a.m. |
Created at: April 16, 2026, 12:41 p.m.