Triple
T17939745
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Coast Railway zone |
E448554
|
entity |
| Predicate | hasDivision |
P35
|
FINISHED |
| Object | Waltair 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: Waltair railway division | Statement: [South Coast Railway zone, hasDivision, Waltair railway division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waltair railway division Context triple: [South Coast Railway zone, hasDivision, Waltair railway division]
-
A.
Waltair railway division
chosen
Waltair railway division is an administrative division of Indian Railways that manages and operates railway services in and around Visakhapatnam and parts of the surrounding region.
-
B.
Scindia State Railway
Scindia State Railway was a former princely-state-owned railway system in India that later became part of the nationalized network and contributed to the formation of the Central Railway zone.
-
C.
Palakkad railway division
Palakkad railway division is a major administrative division of the Southern Railway zone of Indian Railways, overseeing rail operations and infrastructure in parts of Kerala and neighboring regions.
-
D.
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.
-
E.
Lumding railway division
Lumding railway division is an administrative division of Indian Railways in the Northeast Frontier Railway zone, overseeing rail operations and infrastructure in parts of Assam and the surrounding northeastern 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_69d8b9f79d14819095540856928f0e25 |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e4ad9533688190bff773c183ed8505 |
completed | April 19, 2026, 10:25 a.m. |
Created at: April 10, 2026, 10:21 a.m.