Triple
T18747611
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mumbai–Surat–Vadodara–Ahmedabad main line |
E458443
|
entity |
| Predicate | belongsToRailwayDivision |
P52313
|
FINISHED |
| Object | Mumbai division of Western Railway |
—
|
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: Mumbai division of Western Railway | Statement: [Mumbai–Surat–Vadodara–Ahmedabad main line, belongsToRailwayDivision, Mumbai division of Western Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mumbai division of Western Railway Context triple: [Mumbai–Surat–Vadodara–Ahmedabad main line, belongsToRailwayDivision, Mumbai division of Western Railway]
-
A.
Mumbai division of Central Railway
The Mumbai division of Central Railway is a major administrative and operational zone of Indian Railways responsible for managing suburban and long-distance train services in and around Mumbai.
-
B.
Mumbai division (Western Railway)
chosen
Mumbai division (Western Railway) is an administrative railway division of Indian Railways’ Western Railway zone that manages suburban and long-distance rail operations in and around Mumbai, including key stations such as Vasai Road.
-
C.
Mumbai Central railway division
Mumbai Central railway division is a key administrative division of Indian Railways responsible for managing railway operations and services in and around the Mumbai region.
-
D.
Pune railway division
Pune railway division is an administrative unit of Indian Railways responsible for managing train operations, infrastructure, and services in and around Pune, Maharashtra.
-
E.
Nanded railway division
Nanded railway division is an administrative division of Indian Railways under the South Central Railway zone, overseeing railway operations and stations in parts of Maharashtra and neighboring regions.
- 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_69d8d394dc308190b6725073f5db324c |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e579e9903c81908180c46012bd0948 |
completed | April 20, 2026, 12:57 a.m. |
Created at: April 10, 2026, 11:51 a.m.