Triple
T20455000
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sylhet railway station |
E501751
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Sylhet–Chittagong 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: Sylhet–Chittagong route | Statement: [Sylhet railway station, railwayLine, Sylhet–Chittagong route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sylhet–Chittagong route Context triple: [Sylhet railway station, railwayLine, Sylhet–Chittagong route]
-
A.
Sylhet–Dhaka route
The Sylhet–Dhaka route is a major railway corridor in Bangladesh connecting the northeastern city of Sylhet with the capital, Dhaka, for passenger and freight transport.
-
B.
Chittagong–Rangamati road
The Chittagong–Rangamati road is a major roadway in southeastern Bangladesh that connects the port city of Chittagong with the hilly district of Rangamati through the Chittagong Hill Tracts.
-
C.
Dhaka–Tangail Highway
The Dhaka–Tangail Highway is a major roadway in central Bangladesh that connects the capital city Dhaka with the northern district of Tangail and serves as a key route for regional travel and commerce.
-
D.
Jessore Road
Jessore Road is a major thoroughfare in the Kolkata metropolitan area of West Bengal, India, forming part of National Highway 12 and connecting the city to its northern suburbs and toward the India–Bangladesh border.
-
E.
Bandel–Katwa line
The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
- 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: Sylhet–Chittagong route Target entity description: The Sylhet–Chittagong route is a major railway corridor in Bangladesh connecting the northeastern city of Sylhet with the key port city of Chittagong, serving both passenger and freight transport.
-
A.
Sylhet–Dhaka route
The Sylhet–Dhaka route is a major railway corridor in Bangladesh connecting the northeastern city of Sylhet with the capital, Dhaka, for passenger and freight transport.
-
B.
Chittagong–Rangamati road
The Chittagong–Rangamati road is a major roadway in southeastern Bangladesh that connects the port city of Chittagong with the hilly district of Rangamati through the Chittagong Hill Tracts.
-
C.
Dhaka–Tangail Highway
The Dhaka–Tangail Highway is a major roadway in central Bangladesh that connects the capital city Dhaka with the northern district of Tangail and serves as a key route for regional travel and commerce.
-
D.
Jessore Road
Jessore Road is a major thoroughfare in the Kolkata metropolitan area of West Bengal, India, forming part of National Highway 12 and connecting the city to its northern suburbs and toward the India–Bangladesh border.
-
E.
Bandel–Katwa line
The Bandel–Katwa line is a suburban and regional railway corridor in West Bengal, India, connecting Bandel with Katwa and serving numerous towns and rural areas along the Hooghly and Burdwan districts.
- F. None of above. chosen
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_69e0b4ad4940819098cf2ff6413574e5 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e696a0dd188190ab6cbb387d9c0c1d |
completed | April 20, 2026, 9:12 p.m. |
Created at: April 16, 2026, 11:32 a.m.