Triple
T18538383
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Midnapore railway station |
E453023
|
entity |
| Predicate | locatedOnLine |
P2409
|
FINISHED |
| Object | Howrah–Adra–Chakradharpur line |
—
|
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–Adra–Chakradharpur line | Statement: [Midnapore railway station, locatedOnLine, Howrah–Adra–Chakradharpur line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–Adra–Chakradharpur line Context triple: [Midnapore railway station, locatedOnLine, Howrah–Adra–Chakradharpur line]
-
A.
Kharagpur–Bankura–Adra line
The Kharagpur–Bankura–Adra line is a railway route in the Indian state of West Bengal that connects Kharagpur with Adra via Bankura, serving as an important regional link for passenger and freight traffic.
-
B.
Naihati–Ranaghat line
The Naihati–Ranaghat line is a suburban railway corridor in West Bengal, India, forming part of the Kolkata Suburban Railway network and connecting key towns along the Hooghly and Nadia districts.
-
C.
Kharagpur–Digha line
The Kharagpur–Digha line is a railway route in eastern India that connects the major junction of Kharagpur with the coastal resort town of Digha, serving both local commuters and tourists.
-
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–Azimganj line
The Howrah–Azimganj line is a key railway route in the Indian state of West Bengal that connects Howrah with Azimganj, serving as an important corridor for both passenger and freight traffic in the region.
- 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–Adra–Chakradharpur line Target entity description: 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.
-
A.
Kharagpur–Bankura–Adra line
The Kharagpur–Bankura–Adra line is a railway route in the Indian state of West Bengal that connects Kharagpur with Adra via Bankura, serving as an important regional link for passenger and freight traffic.
-
B.
Naihati–Ranaghat line
The Naihati–Ranaghat line is a suburban railway corridor in West Bengal, India, forming part of the Kolkata Suburban Railway network and connecting key towns along the Hooghly and Nadia districts.
-
C.
Kharagpur–Digha line
The Kharagpur–Digha line is a railway route in eastern India that connects the major junction of Kharagpur with the coastal resort town of Digha, serving both local commuters and tourists.
-
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–Azimganj line
The Howrah–Azimganj line is a key railway route in the Indian state of West Bengal that connects Howrah with Azimganj, serving as an important corridor for both passenger and freight traffic in the region.
- F. None of above. chosen
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_69d8d387b5548190aa030dad2cb4947e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e534030bd88190b25b95305a12a0c1 |
completed | April 19, 2026, 7:58 p.m. |
Created at: April 10, 2026, 11:37 a.m.