Triple
T20213604
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Barddhaman Junction |
E493553
|
entity |
| Predicate | partOfCorridor |
P840
|
FINISHED |
| Object | Howrah–Delhi rail corridor |
—
|
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: Howrah–Delhi rail corridor | Statement: [Barddhaman Junction, partOfCorridor, Howrah–Delhi rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–Delhi rail corridor Context triple: [Barddhaman Junction, partOfCorridor, Howrah–Delhi 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.
Howrah–Mumbai rail corridor
The Howrah–Mumbai rail corridor is a major Indian railway route connecting Kolkata (Howrah) with Mumbai, serving as a key trunk line for passenger and freight traffic across eastern, central, and western India.
-
C.
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.
-
D.
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.
-
E.
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.
- 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_69da6269614c8190bb40475d9d477358 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66ed6fe888190b553ba6879cb2d8d |
completed | April 20, 2026, 6:22 p.m. |
Created at: April 11, 2026, 11:38 p.m.