Triple
T20213405
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Howrah–New Jalpaiguri line |
E493549
|
entity |
| Predicate | partOfCorridor |
P840
|
FINISHED |
| Object | Howrah–New Jalpaiguri–Guwahati route |
—
|
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–New Jalpaiguri–Guwahati route | Statement: [Howrah–New Jalpaiguri line, partOfCorridor, Howrah–New Jalpaiguri–Guwahati route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–New Jalpaiguri–Guwahati route Context triple: [Howrah–New Jalpaiguri line, partOfCorridor, Howrah–New Jalpaiguri–Guwahati route]
-
A.
Delhi–Guwahati route
The Delhi–Guwahati route is a major Indian railway corridor connecting the national capital Delhi with the northeastern city of Guwahati, serving numerous important junctions and regions along the way.
-
B.
Howrah–New Jalpaiguri line
The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
-
C.
Sealdah–Ranaghat line
The Sealdah–Ranaghat line is a major suburban railway corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Ranaghat and serving numerous densely populated towns along the route.
-
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.
Badarpur–Agartala line
The Badarpur–Agartala line is a railway route in Northeast India that connects Assam with the state of Tripura, serving as a key link for regional passenger and freight transport.
- 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–New Jalpaiguri–Guwahati route Target entity description: The Howrah–New Jalpaiguri–Guwahati route is a major railway corridor in eastern and northeastern India that connects Kolkata with North Bengal and Assam, serving as a key passenger and freight link for the region.
-
A.
Delhi–Guwahati route
The Delhi–Guwahati route is a major Indian railway corridor connecting the national capital Delhi with the northeastern city of Guwahati, serving numerous important junctions and regions along the way.
-
B.
Howrah–New Jalpaiguri line
chosen
The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
-
C.
Sealdah–Ranaghat line
The Sealdah–Ranaghat line is a major suburban railway corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Ranaghat and serving numerous densely populated towns along the route.
-
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.
Badarpur–Agartala line
The Badarpur–Agartala line is a railway route in Northeast India that connects Assam with the state of Tripura, serving as a key link for regional passenger and freight transport.
- 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_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.