Triple
T11377575
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Western Line (Mumbai Suburban Railway) |
E269508
|
entity |
| Predicate | historicalOperator |
P2834
|
FINISHED |
| Object | Bombay, Baroda and Central India Railway |
E458441
|
NE FINISHED |
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: Bombay, Baroda and Central India Railway | Statement: [Western Line (Mumbai Suburban Railway), historicalOperator, Bombay, Baroda and Central India Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bombay, Baroda and Central India Railway Context triple: [Western Line (Mumbai Suburban Railway), historicalOperator, Bombay, Baroda and Central India Railway]
-
A.
Bombay, Baroda and Central India Railway
chosen
The Bombay, Baroda and Central India Railway was a major British-era Indian railway company that operated extensive routes in western and central India before being absorbed into the Western Railway zone after independence.
-
B.
Bengal Nagpur Railway
Bengal Nagpur Railway was a major British-era railway company in eastern and central India that played a key role in regional rail development before being absorbed into the post-independence Indian Railways system.
-
C.
Central Railway
Central Railway is one of the major zones of Indian Railways, headquartered in Mumbai and responsible for operating key rail routes and suburban services in western and central India.
-
D.
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.
-
E.
Saurashtra Railway
Saurashtra Railway was a former Indian railway system that operated in the Saurashtra region of present-day Gujarat before being integrated into the Western Railway zone.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d6aacca1048190b39dbbc2174616fa |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7fc30f5d48190bb273df4c9e583a9 |
completed | April 9, 2026, 7:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e713122ef8819086c8d7e37c00a1c2 |
completed | April 21, 2026, 6:02 a.m. |
Created at: April 8, 2026, 9:33 p.m.