Triple
T19949127
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ludhiana Junction railway station |
E479507
|
entity |
| Predicate | isMajorJunctionOn |
P21867
|
FINISHED |
| Object | Northern Railway network |
—
|
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: Northern Railway network | Statement: [Ludhiana Junction railway station, isMajorJunctionOn, Northern Railway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern Railway network Context triple: [Ludhiana Junction railway station, isMajorJunctionOn, Northern Railway network]
-
A.
Northern Railway
Northern Railway is one of the largest zones of Indian Railways, overseeing extensive rail operations and infrastructure across northern India.
-
B.
Northern Railway
Northern Railway is a major rail network in Russia that serves the northern regions, including the Yamalo-Nenets Autonomous Okrug, supporting both passenger and freight transportation in harsh Arctic conditions.
-
C.
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.
-
D.
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.
-
E.
East Coast Railway
East Coast Railway is a zone of Indian Railways responsible for managing and operating rail services primarily in the eastern coastal regions of India, including parts of Odisha and neighboring states.
- 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_69d8e522a17c819095165d4d24939fd8 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65a6a93548190875af2176e6901a7 |
completed | April 20, 2026, 4:55 p.m. |
Created at: April 10, 2026, 1:54 p.m.