Triple
T22687508
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northern Railway |
E560956
|
entity |
| Predicate | formedByMergerOf |
P77
|
FINISHED |
| Object | Eastern Punjab 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: Eastern Punjab Railway | Statement: [Northern Railway, formedByMergerOf, Eastern Punjab Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eastern Punjab Railway Context triple: [Northern Railway, formedByMergerOf, Eastern Punjab Railway]
-
A.
Eastern Punjab Railway
chosen
Eastern Punjab Railway was a former railway system in British India that operated in the eastern part of the Punjab region before being absorbed into the Northern Railway zone after independence and partition.
-
B.
Oudh and Tirhut Railway
Oudh and Tirhut Railway was a former railway company in northern India that later became part of the Indian Railways network through mergers and reorganization.
-
C.
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.
-
D.
Firozpur–Bathinda line
The Firozpur–Bathinda line is a railway route in the Indian state of Punjab that connects the city of Firozpur with Bathinda, serving as an important regional transport corridor.
-
E.
South Central Railway
South Central Railway is one of the zones of Indian Railways, responsible for operating and managing rail services across parts of southern and central India.
- 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_69e2454d71b48190a1f80af9f82b6fcf |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f178983fc8819080aa00e45ff77952 |
completed | April 29, 2026, 3:18 a.m. |
Created at: April 17, 2026, 3:13 p.m.