Triple
T17378138
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Agra railway division |
E422493
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Northern India railway network |
—
|
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: Northern India railway network | Statement: [Agra railway division, partOf, Northern India railway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern India railway network Context triple: [Agra railway division, partOf, Northern India railway network]
-
A.
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.
-
B.
North Central Railway
North Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across key regions in northern and central India.
-
C.
Mumbai–Ahmedabad–Delhi main line
The Mumbai–Ahmedabad–Delhi main line is a major Indian Railways trunk route that connects Mumbai with Ahmedabad and Delhi, serving as a key corridor for long-distance passenger and freight traffic in western and northern India.
-
D.
North Central Railway zone
The North Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered at Prayagraj, and is a major rail network serving parts of Uttar Pradesh, Madhya Pradesh, Rajasthan, and Haryana.
-
E.
Western Railway
Western Railway is one of the major zones of Indian Railways, operating a key network of suburban and long-distance train services across western India.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Northern India railway network Target entity description: The Northern India railway network is a major rail system covering the northern regions of India, connecting key cities and industrial centers through an extensive network of lines and divisions.
-
A.
Northern Railway zone
chosen
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.
-
B.
North Central Railway
North Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across key regions in northern and central India.
-
C.
Mumbai–Ahmedabad–Delhi main line
The Mumbai–Ahmedabad–Delhi main line is a major Indian Railways trunk route that connects Mumbai with Ahmedabad and Delhi, serving as a key corridor for long-distance passenger and freight traffic in western and northern India.
-
D.
North Central Railway zone
The North Central Railway zone is one of the 19 railway zones of Indian Railways, headquartered at Prayagraj, and is a major rail network serving parts of Uttar Pradesh, Madhya Pradesh, Rajasthan, and Haryana.
-
E.
Western Railway
Western Railway is one of the major zones of Indian Railways, operating a key network of suburban and long-distance train services across western India.
- F. None of above.
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_69d889d6535c81908be333c01deaec4e |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43a6ea56c8190b56d966ccf2c91f7 |
completed | April 19, 2026, 2:14 a.m. |
Created at: April 10, 2026, 5:45 a.m.