Triple
T7364894
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Raniganj coalfield |
E169844
|
entity |
| Predicate | transportServedBy |
P1298
|
FINISHED |
| Object | Howrah–Delhi main railway line |
E520995
|
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–Delhi main railway line | Statement: [Raniganj coalfield, transportServedBy, Howrah–Delhi main railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–Delhi main railway line Context triple: [Raniganj coalfield, transportServedBy, Howrah–Delhi main railway line]
-
A.
Howrah–Delhi main line
chosen
The Howrah–Delhi main line is one of India's busiest and most important railway corridors, connecting Kolkata (Howrah) with the national capital New Delhi and passing through major cities across northern and eastern India.
-
B.
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.
-
C.
Delhi–Dehradun railway line
The Delhi–Dehradun railway line is a major rail corridor in northern India that connects the national capital with the Uttarakhand capital, serving numerous cities and towns along the route.
-
D.
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.
-
E.
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.
- 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_69c68a5ade988190885b7175f63b7534 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f161d76081909da6d698fb3d8bb1 |
completed | March 27, 2026, 9:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c802b90cc081908b15e61921d15b92 |
completed | March 28, 2026, 4:32 p.m. |
Created at: March 27, 2026, 3:06 p.m.