Triple
T22853728
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Eastern Railway |
E566421
|
entity |
| Predicate | notableRoute |
P22
|
FINISHED |
| Object | Howrah–Mumbai route (via Kharagpur and Chakradharpur) |
—
|
NE NERFINISHED |
How this triple was built (3 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–Mumbai route (via Kharagpur and Chakradharpur) | Statement: [South Eastern Railway, notableRoute, Howrah–Mumbai route (via Kharagpur and Chakradharpur)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–Mumbai route (via Kharagpur and Chakradharpur) Context triple: [South Eastern Railway, notableRoute, Howrah–Mumbai route (via Kharagpur and Chakradharpur)]
-
A.
Delhi–Howrah route via Kanpur
The Delhi–Howrah route via Kanpur is a major trunk railway corridor in northern India that links the national capital Delhi with the eastern metropolis of Howrah (Kolkata) through the important junction city of Kanpur.
-
B.
New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
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.
-
C.
Howrah–Patna–Mughalsarai main line
The Howrah–Patna–Mughalsarai main line is a major railway corridor in eastern India that connects Kolkata with key cities in Bihar and Uttar Pradesh, forming part of the busy route between Howrah and Delhi.
-
D.
Howrah–Kharagpur railway line
The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
-
E.
Howrah–Adra–Chakradharpur line
The Howrah–Adra–Chakradharpur line is a major railway route in eastern India that connects Howrah in West Bengal with Chakradharpur in Jharkhand via Adra, serving as an important corridor for both passenger and freight traffic.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Howrah–Mumbai route (via Kharagpur and Chakradharpur) Target entity description: The Howrah–Mumbai route via Kharagpur and Chakradharpur is a major electrified trunk line in eastern and central India that connects Kolkata with Mumbai and carries heavy long-distance passenger and freight traffic.
-
A.
Delhi–Howrah route via Kanpur
The Delhi–Howrah route via Kanpur is a major trunk railway corridor in northern India that links the national capital Delhi with the eastern metropolis of Howrah (Kolkata) through the important junction city of Kanpur.
-
B.
New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
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.
-
C.
Howrah–Patna–Mughalsarai main line
The Howrah–Patna–Mughalsarai main line is a major railway corridor in eastern India that connects Kolkata with key cities in Bihar and Uttar Pradesh, forming part of the busy route between Howrah and Delhi.
-
D.
Howrah–Kharagpur railway line
The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
-
E.
Howrah–Adra–Chakradharpur line
chosen
The Howrah–Adra–Chakradharpur line is a major railway route in eastern India that connects Howrah in West Bengal with Chakradharpur in Jharkhand via Adra, serving as an important corridor for both passenger and freight traffic.
- F. None of above.
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_69e2458750b481908a8e4cf4609cc6cf |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17eba65a881908c484262c3ee5212 |
completed | April 29, 2026, 3:44 a.m. |
Created at: April 17, 2026, 3:37 p.m.