Triple
T19025475
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Delhi–Kolkata main line (via Lucknow and Mughalsarai, NR portion) |
E465597
|
entity |
| Predicate | partOfCorridor |
P840
|
FINISHED |
| Object | Delhi–Kolkata rail corridor |
E157731
|
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: Delhi–Kolkata rail corridor | Statement: [Delhi–Kolkata main line (via Lucknow and Mughalsarai, NR portion), partOfCorridor, Delhi–Kolkata rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Delhi–Kolkata rail corridor Context triple: [Delhi–Kolkata main line (via Lucknow and Mughalsarai, NR portion), partOfCorridor, Delhi–Kolkata rail corridor]
-
A.
Delhi–Kolkata rail corridor
chosen
The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
-
B.
Delhi–Ahmedabad rail corridor
The Delhi–Ahmedabad rail corridor is a major railway route in India connecting the national capital Delhi with the commercial hub Ahmedabad, passing through key cities in northern and western India.
-
C.
Chennai–Kolkata railway corridor
The Chennai–Kolkata railway corridor is a major Indian rail route connecting the southeastern metropolis of Chennai with the eastern city of Kolkata, serving as a key artery for passenger and freight transport along the east coast.
-
D.
Delhi–Mumbai line
The Delhi–Mumbai line is one of India’s busiest and most important railway corridors, connecting the national capital New Delhi with the financial hub Mumbai and passing through major cities in northern and western India.
-
E.
Delhi–Bengaluru railway route
The Delhi–Bengaluru railway route is a major long-distance rail corridor in India connecting the national capital Delhi with the southern metropolis of Bengaluru, passing through several key cities and states along the way.
- 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_69d8dd025c188190a1d81f5b4ec7e2c6 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d6e271848190b67ad08af35b6796 |
completed | April 20, 2026, 7:33 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a05c545b5f8819096301f25fc1d7a75 |
completed | May 14, 2026, 12:51 p.m. |
Created at: April 10, 2026, 12:02 p.m.