Triple
T14882694
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Barrackpore railway station |
E350038
|
entity |
| Predicate | line |
P1293
|
FINISHED |
| Object | Sealdah–Ranaghat line |
E350039
|
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: Sealdah–Ranaghat line | Statement: [Barrackpore railway station, line, Sealdah–Ranaghat line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sealdah–Ranaghat line Context triple: [Barrackpore railway station, line, Sealdah–Ranaghat line]
-
A.
Sealdah–Ranaghat line
chosen
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.
-
B.
Sealdah–Kalyani line
The Sealdah–Kalyani line is a suburban railway corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station in central Kolkata with the town of Kalyani and serving daily commuter traffic.
-
C.
Sealdah–Bangaon railway line
The Sealdah–Bangaon railway line is a suburban rail corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Bangaon and serving numerous intermediate urban and suburban localities.
-
D.
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.
-
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_69d822ee4f408190b6ac3b2fa434f0df |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69ded5e7c0e48190af2d68a71130585c |
completed | April 15, 2026, 12:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe72aedae081909616f4aca3a44c92 |
completed | May 8, 2026, 11:33 p.m. |
Created at: April 10, 2026, 1:56 a.m.