Triple
T18747545
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bombay, Baroda and Central India Railway |
E458441
|
entity |
| Predicate | railwayZoneAfterMerger |
P24188
|
FINISHED |
| Object | Western Railway zone |
—
|
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: Western Railway zone | Statement: [Bombay, Baroda and Central India Railway, railwayZoneAfterMerger, Western Railway zone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Western Railway zone Context triple: [Bombay, Baroda and Central India Railway, railwayZoneAfterMerger, Western Railway zone]
-
A.
Western Railway zone
chosen
The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
-
B.
Central Railway zone
Central Railway zone is one of the major zones of Indian Railways, headquartered in Mumbai, overseeing key rail operations across Maharashtra and neighboring regions.
-
C.
Northern Railway zone
The Northern Railway zone is one of the largest and oldest zones of Indian Railways, overseeing extensive rail operations across North India from its headquarters in New Delhi.
-
D.
Eastern Railway zone
The Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Kolkata, that manages a major portion of rail operations in eastern India.
-
E.
West Central Railway zone
West Central Railway zone is one of the zones of Indian Railways, headquartered in Jabalpur, that manages and operates rail services across parts of central India.
- 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: railwayZoneAfterMerger Context triple: [Bombay, Baroda and Central India Railway, railwayZoneAfterMerger, Western Railway zone]
-
A.
railwayZoneNumber
Indicates the specific numbered zone of a railway network within which the referenced entity is located or classified.
-
B.
hasRailwayZone
chosen
Indicates that a location or railway entity falls under the jurisdiction or coverage area of a specific railway zone.
-
C.
railwayZoneHeadquartersFor
Indicates that a location serves as the administrative headquarters for a particular railway zone.
-
D.
numberOfRailwayZonesInCountryAtFormation
Indicates the total count of railway zones that existed within a country at the time of its formation.
-
E.
railwayDivision
Indicates that one administrative railway division is responsible for, manages, or encompasses another railway unit, line, or area within a rail network.
- 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_69d8d394dc308190b6725073f5db324c |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e576936cf08190b3c0d2f4e8a616fc |
completed | April 20, 2026, 12:42 a.m. |
| PD | Predicate disambiguation | batch_69e48d03766c8190a43f7681842f4f8d |
completed | April 19, 2026, 8:06 a.m. |
Created at: April 10, 2026, 11:51 a.m.