Triple
T16659109
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chandannagar subdivision |
E404810
|
entity |
| Predicate | hasTransportLink |
P1298
|
FINISHED |
| Object | Howrah–Bardhaman chord line |
E641726
|
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: Howrah–Bardhaman chord line | Statement: [Chandannagar subdivision, hasTransportLink, Howrah–Bardhaman chord line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–Bardhaman chord line Context triple: [Chandannagar subdivision, hasTransportLink, Howrah–Bardhaman chord line]
-
A.
Howrah–Bardhaman chord line
chosen
The Howrah–Bardhaman chord line is a major suburban and intercity railway corridor in West Bengal, India, connecting Howrah with Bardhaman via a shorter, high-capacity route.
-
B.
Howrah–Bardhaman main line
The Howrah–Bardhaman main line is a major suburban and long-distance railway corridor in West Bengal, India, connecting Howrah (Kolkata) with Bardhaman and serving numerous important towns along the route.
-
C.
Howrah–Tarakeswar line
The Howrah–Tarakeswar line is a suburban railway corridor in West Bengal, India, connecting Howrah with the temple town of Tarakeswar and forming part of the Kolkata Suburban Railway network.
-
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.
- 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_69d8838b5fbc81908c6575c132b82e80 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37bfcbb6881909c0419174dd017dc |
completed | April 18, 2026, 12:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00a50edea48190b65f4e6a9eb3ba24 |
completed | May 10, 2026, 3:32 p.m. |
Created at: April 10, 2026, 5:18 a.m.