Triple
T8352172
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Santragachi |
E196586
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Howrah–Kharagpur railway line |
E647939
|
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–Kharagpur railway line | Statement: [Santragachi, locatedOn, Howrah–Kharagpur railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howrah–Kharagpur railway line Context triple: [Santragachi, locatedOn, Howrah–Kharagpur railway line]
-
A.
Howrah–Kharagpur railway line
chosen
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.
-
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.
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.
-
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–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.
- 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_69ca82f08b348190bfb7881944bbff6f |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb80460f048190aa298ddffde1047d |
completed | March 31, 2026, 8:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce4d9dff0081908219f9b2690d97fe |
completed | April 2, 2026, 11:06 a.m. |
Created at: March 30, 2026, 5:59 p.m.