Triple
T16794168
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mumbai–Pune railway line |
E408188
|
entity |
| Predicate | historicalOperator |
P2834
|
FINISHED |
| Object | Great Indian Peninsula Railway |
E268124
|
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: Great Indian Peninsula Railway | Statement: [Mumbai–Pune railway line, historicalOperator, Great Indian Peninsula Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Indian Peninsula Railway Context triple: [Mumbai–Pune railway line, historicalOperator, Great Indian Peninsula Railway]
-
A.
Madras and Southern Mahratta Railway
Madras and Southern Mahratta Railway was a major British-era railway company in southern India that operated extensive rail networks across the Madras Presidency and neighboring regions before being integrated into the post-independence Indian Railways system.
-
B.
Central Railway
chosen
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.
-
C.
Bombay, Baroda and Central India Railway
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.
-
D.
Mumbai–Pune railway line
The Mumbai–Pune railway line is a major rail corridor in Maharashtra, India, connecting the metropolitan city of Mumbai with the industrial and educational hub of Pune through the Western Ghats.
-
E.
Mumbai–Nagpur line
The Mumbai–Nagpur line is a major Indian railway route connecting the western metropolis of Mumbai with the central city of Nagpur, serving as a key corridor for passenger and freight traffic across Maharashtra.
- 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_69d88393905081908d00a86b99996ac8 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e3b2a8b66c8190b83d8af85d2b23a8 |
completed | April 18, 2026, 4:34 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00b28970748190836806c68ad9e230 |
completed | May 10, 2026, 4:30 p.m. |
Created at: April 10, 2026, 5:22 a.m.