Triple
T5445475
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kanpur Central railway station |
E122237
|
entity |
| Predicate | isMajorJunctionOnLine |
P64350
|
FINISHED |
| Object | Howrah–Delhi main line via Kanpur |
E508045
|
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: Howrah–Delhi main line via Kanpur | Statement: [Kanpur Central railway station, isMajorJunctionOnLine, Howrah–Delhi main line via Kanpur]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–Delhi main line via Kanpur Context triple: [Kanpur Central railway station, isMajorJunctionOnLine, Howrah–Delhi main line via Kanpur]
-
A.
New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
chosen
The New Delhi–Howrah trunk route (via Kanpur–Prayagraj) is a key high-density railway corridor in India connecting the national capital with Kolkata through major northern and eastern cities.
-
B.
Howrah–Bardhaman main line
The Howrah–Bardhaman main line is a major suburban and long-distance railway corridor in West Bengal, India, connecting Howrah (Kolkata) with Bardhaman and serving numerous important towns along the route.
-
C.
Delhi–Moradabad–Bareilly–Lucknow line
The Delhi–Moradabad–Bareilly–Lucknow line is a key Indian Railways route in northern India that connects the national capital Delhi with major cities in Uttar Pradesh, including Moradabad, Bareilly, and the state capital Lucknow.
-
D.
Howrah–Nagpur–Mumbai line
The Howrah–Nagpur–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Nagpur, serving as a key corridor for both passenger and freight traffic across central India.
-
E.
Delhi–Kolkata main line (via Lucknow and Mughalsarai, NR portion)
The Delhi–Kolkata main line (via Lucknow and Mughalsarai, NR portion) is a key segment of India’s primary rail corridor linking the national capital Delhi with Kolkata, passing through major northern cities under the jurisdiction of the Northern 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_69bd4640f52c81909e653ec361f66d76 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd964583008190bf7b94f656e4ecf2 |
completed | March 20, 2026, 6:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf413573c08190beae400c485d2132 |
completed | March 22, 2026, 1:09 a.m. |
Created at: March 20, 2026, 2:07 p.m.